Entries |
Document | Title | Date |
20080205894 | OPTICAL MODULE FOR OPTICALLY COUPLING OPTICAL FIBER AND SURFACE OPTICAL DEVICE - An optical module including a first optical device having an opening on a surface thereof, and a second optical device including a pillar-shaped elastic member on a surface thereof. The first and second optical devices are optically coupled to each other. | 08-28-2008 |
20080205895 | OPTICAL SUBASSEMBLY POSITIONING DEVICE FOR AN ELECTRONIC MODULE - In one example embodiment, an optical subassembly (OSA) positioning device includes a front piece, a top back piece, and a top connector piece connecting the front piece and the top back piece, a bottom back piece, and a bottom connector piece connecting the from piece ad the bottom back piece. The front piece defines a first port. The first port is configured to receive and substantially secure a first OSA in an x-axis position and a y-axis position when the OSA positioning device is positioned within an optoelectronic module. The top and bottom connector pieces are deformable in response to an exerted force so as to bias a flange of the first OSA against a shell of the optoelectronic module such that the first OSA is secured in a z-axis position when the OSA positioning device is positioned within the optoelectronic module. | 08-28-2008 |
20080205896 | POSITIONING PLATE FOR OPTICAL SUBASSEMBLY - In one example, an optical subassembly positioning plate is provided that includes a substantially flat body that defines at least one edge. A port is defined in the body. The port is configured to receive and secure an optical subassembly in an x-direction and a y-direction when said optical subassembly positioning plate is positioned within an optoelectronic transceiver module. A plurality of fingers is defined along at least one edge of the body. Each of the plurality of fingers is configured to contact a shell of the optoelectronic transceiver module so as to bias a flange of the optical subassembly against a portion of the shell of the optoelectronic transceiver module such that the optical subassembly is substantially retained in a z-direction when the optical subassembly positioning plate is positioned within the optoelectronic transceiver module. | 08-28-2008 |
20080212972 | MOLDED COMMUNICATIONS MODULE HAVING INTEGRATED PLASTIC CIRCUIT STRUCTURES - An embodiment disclosed herein relates to a communications module. The communications module includes a body composed of a plastic resin and a plurality of conductive traces and contact pads defined on a portion of a surface of the body. The module also includes at least one substantially vertical ridge defined on the body surface, and at least one pocket defined on the body suitable for receiving an electronic component. The communications module may also include a body composed of a plastic resin and conductive features defined on a surface of the body configured to render the communications module operable without implementing a printed circuit board as part of the body. Additional embodiments relate to systems and methods for attaching one or more optical transmit assemblies to the communications module and for electrically connecting conductive traces in a temporary fashion on the surface of the body of the communications module. | 09-04-2008 |
20080219673 | Optical Transceiver with Reduced Height - A transceiver having a light source die, a photodetector die and a substrate is disclosed. The substrate has a first well in which the light source die is mounted and a second well in which the photodetector die is mounted. The substrate has a reflective surface which blocks light leaving the light source from reaching the photodetector unless the light is reflected by an object external to the transceiver. The reflecting surface of the second well in the substrate is shaped to concentrate light received from outside the transceiver onto the photodetector, and in one aspect of the invention it comprises a non-imaging optical element. The light source is powered by applying a potential between first and second contacts on the light source die. A signal is generated between first and second contacts on the photodetector die in response to illumination of the photodetector die. | 09-11-2008 |
20080219674 | OPTICAL SPACE TRANSMISSION DEVICE INCLUDING ROTATABLE MEMBER - An optical space transmission device includes: a first portion; and a second portion which is rotatably connected to the first portion and performs space transmission of signals using light between the first portion and the second portion. The device includes: a first light emitting and receiving module which is provided for the first portion and includes: a first light emitting element composed of a light emitting diode emitting first signal light modulated based on a signal transmitted from the first to second portion; and a first light receiving element receiving second signal light modulated based on a signal transmitted from the second to first portions; and a second light emitting and receiving module which is provided for the second portion and includes: a second light emitting element composed of a semiconductor laser emitting the second signal light; and a second light receiving element receiving the first signal light. | 09-11-2008 |
20080232812 | OPTICAL COMMUNICATION DEVICE - An optical communication device includes a top cover, a bottom cover, a circuit board and an electrostatic discharge element. The bottom cover is disposed opposite to the top cover, and an accommodating space is formed between the top and bottom covers. The circuit board is disposed in the accommodating space. The electrostatic discharge element is disposed on the circuit board and electrically connected to the circuit board. | 09-25-2008 |
20080232813 | TRANSCEIVER FOR OPTICAL TRANSMISSION AND TRANSMISSION METHOD FOR THE SAME - The present invention provides a transceiver for optical transmission in which noise can be sufficiently suppressed and a method for the same using a simple configuration. The transceiver includes an optical transmitter module in which a low frequency obtained by boosting and filtering a power-source voltage is superimposed onto and LD drive current. | 09-25-2008 |
20080232814 | QUANTUM COMMUNICATION APPARATUS AND QUANTUM COMMUNICATION METHOD - A quantum communication apparatus is used in operations to generate entanglement between the two physical system ensembles and operations to extend the distance between entangled ensembles by connecting pairs of entangled ensembles. The apparatus uses only passive elements without any actuating parts, active devices having no mechanically actuating parts, such as an electro-optical device capable of ultrahigh-speed operation, and a laser source capable of generating high-speed pulse trains or a continuous wave laser source. The apparatus can rapidly execute light irradiation necessary for entanglement generation and connection, and detection of a generated photon at the needed sites within a decoherence time of the physical system. | 09-25-2008 |
20080240723 | Systems and methods for chirp control of a dual arm Z-modulator to minimize dispersion effect of fiber plant - The present invention provides systems and methods for chirp control of a dual arm Z-modulator to minimize dispersion in the fiber plant. The chirp control is based upon a real-time control loop based upon performance monitoring data between a transmitter and a receiver. Advantageously, the present invention enables improved performance in high-speed optical systems, and in some cases can eliminate or minimize the need for external dispersion compensation fiber (DCF). | 10-02-2008 |
20080247761 | Pluggable optical transceiver with command line pulled up to external power supply - A pluggable optical transceiver with a function not affecting the command status of the host system appeared in the internal bus, which is coupled with the command line within the transceiver, even when the transceiver is plugged in the host system. The optical transceiver provides a power supply circuit and a control unit. The power supply circuit, by receiving an external electric power, generates an internal electric power with a substantial time lag from a moment when the optical transceiver is plugged in the host system. The control unit communicates with the host system through the command line pulled up to the external electric power within the optical transceiver. | 10-09-2008 |
20080298810 | METHOD AND APPARATUS FOR CONTROLLING AN OPTICAL TRANSPONDER - Methods and apparatus are provided in accordance with the present invention in which a control mechanism, such as for example, a microcontroller, provides an interface between an optical transponder and an external control system, such that monitoring and controlling of the optical components of the optical transponder are accomplished in an efficient and cost-effective manner. In some embodiments of the present invention, methods and apparatus provide for testing and calibration of the optical transponder without removing any portion of a protective housing within which the internal components of the optical transponder are disposed. | 12-04-2008 |
20080304833 | Illumination Light Wireless Communication System - The present disclosure discloses an illumination light wireless communication system. The system is designed for illumination and communication with a remote communication apparatus, and comprises an illumination and communication device, an illumination and communication terminal and a communication terminal. The illumination and communication device is adapted to receive a source signal from the remote communication apparatus, convert the source signal into an optical signal, and carry out wireless transmission by the optical signal. The illumination and communication terminal is adapted to convert the optical signal into an electric signal and transmit the electric signal to the communication terminal. The communication terminal is adapted to receive and process the electric signal from the illumination and communication terminal, or transmit the processed electric signal to the illumination and communication terminal, i.e., perform a reverse transmission. | 12-11-2008 |
20080310850 | LED LIGHT COMMUNICATION SYSTEM - An LED light and communication system includes at least one optical transceiver, the optical transceiver including a light support and a processor. The light support has a plurality of light emitting diodes and at least one photodetector attached thereto, the light emitting diodes receiving power from a power source. The processor is in communication with the light emitting diodes and the at least one photodetector, the processor capable of illuminating the light emitting diodes to simultaneously create at least one first light signal, and at least one second light signal, the first light signal being observable to the unaided eyes of an individual and the second light signal not being observable to the unaided eyes of the individual. The second light signal includes at least one data packet. The at least one data packet comprises global positioning system (GPS) location information. | 12-18-2008 |
20080310851 | Optical transceiver with reduced peak power consumption and a method to reduce peak power consumption - A method to reduce a peak power consumption of an optical transceiver including a thermoelectric cooler (TEC) is disclosed. The transceiver includes three power units, one of which powers the temperature control unit including the TEC driver and the TEC, second one of which powers the transmitter unit including an LD and an LD driver, and the last of which powers the receiver unit. Once the transceiver is set in the host system, the transceiver first activates the first and second power units to start up the temperature control unit and the transmitter unit, and subsequently, the transceiver sets up the third power unit after the temperature of the LD is stabilized at a target temperature. | 12-18-2008 |
20080317475 | LED LIGHT INTERIOR ROOM AND BUILDING COMMUNICATION SYSTEM - An LED light and communication system in communication with a broadband over power line communications system. The LED light and communication system includes at least one optical transceiver. The optical transceiver includes a light support having a plurality of light emitting diodes and at least one photodetector attached thereto, and a processor. The processor is in communication with the light emitting diodes and the at least one photodetector. The processor is constructed and arranged to generate a communication signal. The at least one optical transceiver is engaged to a clock, and the clock is in communication with the broadband over power line communications system. | 12-25-2008 |
20090003832 | LED LIGHT BROAD BAND OVER POWER LINE COMMUNICATION SYSTEM - An LED light and communication system is in communication with a broadband over power line communications system. The LED light and communication system includes at least one optical transceiver. The optical transceiver includes a light support having a plurality of light emitting diodes and at least one photodetector attached thereto, and a processor. The processor is in communication with the light emitting diodes and the at least one photodetector. The processor is constructed and arranged to generate a communication signal. | 01-01-2009 |
20090010652 | OPTICAL MODULE AND OPTICAL TRANSCEIVER - The present invention provides an optical communication module and the like in which a plurality of lead terminals necessary for the optical communication module is collected in one direction to effectively process the increased internal wiring. A plurality of lead terminals are arranged in a projecting manner over two stages of upper and lower stages at one end of a package | 01-08-2009 |
20090010653 | Optical module - According to an aspect of the embodiment, an optical module includes a case, an optical transceiver part in the case, a radiating part on the case; a thermal conductive sheet having a property of transferring and having a first end and second end; a first fixing part for fixing the first end of the thermal conductive sheet to the optical transceiver unit; and a second fixing part for fixing the second end of the thermal conductive sheet to the radiating point. | 01-08-2009 |
20090010654 | Communication link apparatus and method for maintaining visibility in visible light communication - A system and method for continuing a communication link while maintaining visibility in visible light communication. A frame is transmitted by a sender for establishing a communication link before data transmission to a receiver by a sender. A receiver sends a response frame that reports on establishment of the communication link prior to data transmission by the sender. A data frame containing information is transmitted by the sender to the receiver. An acknowledgment frame is transmitted to the sender in response to the data frame. A disconnect frame is transmitted by the sender which is acknowledged by the receiver. A visible sequence is transmitted during a time period when the sender and the receiver do not transmit respective frames for communication to maintain visibility between two devices that may be communicating otherwise by, for example, infrared communication. | 01-08-2009 |
20090022497 | HIGH-SPEED OPTICAL TRANSCEIVER FOR INFINIBAND AND ETHERNET - The present invention provides a high-speed 100G optical transceiver for InfiniBand and Ethernet with associated mapping to frame InfiniBand and Ethernet into GFP-T. The optical transceiver utilizes an architecture which relies on standards-compliant (i.e., multi-sourced) physical client interfaces. These client interfaces are back-ended with flexible, programmable Field Programmable Gate Array (FPGA) modules to accomplish either InfiniBand or Ethernet protocol control, processing, re-framing, and the like. Next, signals are encoded with Forward Error Correction (FEC) and can include additional Optical Transport Unit (OTU) compliant framing structures. The resulting data is processed appropriately for the subsequent optical re-transmission, such as, for example, with differential encoding, Gray encoding, I/Q Quadrature encoding, and the like. The data is sent to an optical transmitter block and modulated onto an optical carrier. Also, the same process proceeds in reverse on the receive side. | 01-22-2009 |
20090028574 | SELF-TESTING OPTICAL TRANSCEIVER - Systems and methods for an optical transceiver module to perform one or more diagnostic self-tests without the assistance of a host computing system. The optical transceiver module includes at least one processor, a persistent memory and a system memory. The persistent memory, which is coupled to the at least one processor, contains microcode. The microcode is loaded from the persistent memory to the system memory and executed by the at least one processor. The executed microcode causes the optical transceiver module to perform one or more diagnostic self-tests. The diagnostic result data of the one or more diagnostic self-tests is then stored in the persistent memory and is formatted for analysis. The formatted data may then be analyzed to ascertain the response of the optical transceiver to changes in its test environment. | 01-29-2009 |
20090041467 | Field-Configurable Optical Network Terminal Device - Described herein are systems and methods for a field-configurable optical network terminal (ONT) device at a subscriber to provide one or more communication services to the subscriber. The field-configurable ONT device is of a modular design operable for the insertion of additional communication modules or removal of existing communication modules from the ONT device for scaling the device to increased or decreased communication capacity as desired. | 02-12-2009 |
20090047024 | OPTICAL TRANSCEIVER MODULE HAVING A FRONT FACET REFLECTOR AND METHODS FOR MAKING AND USING A FRONT FACET REFLECTOR - A reflector for use in an optical transceiver module and methods for making and using the reflector are provided. The methods for making the reflector reduce the amount of processing and handling of the wafer that are required, thereby reducing manufacturing costs and increasing yield. The reflector may have a diffraction-inducing structure formed thereon such that light received from the light source is redirected in a plurality of directions, including toward a lens that couples light into an end of a transmit fiber and in at least one other direction for being sensed by a detector that converts the detected light into electrical energy. | 02-19-2009 |
20090047025 | Multiple Electrical Level Dispersion Tolerant Optical Apparatus - An optical apparatus consisting of a transmitter, receiver, or transceiver, utilizing a multiple level special electrical layer modulation and/or demodulation scheme to significantly lower the bandwidth required for high speed communication and/or parallel interconnect systems. It can be used either to enhance the transmission performance of the transceiver, or to eliminate the need for bulky and/or expensive optical components to lower the cost. It can be used in the design of transponders, transceivers, and active cabling systems, for 10 Gb/s, 40 Gb/s, 100 Gb/s and other high bit rate transmission systems that utilize single mode or multi-mode fibers for serial or parallel transmission of high speed optical signals. | 02-19-2009 |
20090047026 | Asymmetric Scheduling of Multiple Analog Inputs Using A Single A/D Converter For Fiber-Optic Transceivers - A firmware control method for the optimized use of a single A/D converter to measure multiple analog signals with asymmetric requirements on sampling rate including a lookup table design procedure and an acquisition algorithm. Since diagnostic analog parameter values require differing sampling rates to be effectively measured, the schedule for converting those values to digital value should correspond to the associated sampling rate. The present invention involves the creation and subsequent implementation of a scheduling table based on the required sampling rates of the operational parameters to be converted. | 02-19-2009 |
20090047027 | Optical Network Unit Transceiver Module Having Direct Connect RF Pin Configuration - Systems and method for using a direct connect RF pin configuration for an ONU transceiver module to connect directly to an external component. The ONU module communicates with an optical network. The ONU module further includes an RF interface and a direct connect RF pin configuration to communicate using RF signals. In one embodiment, the direct connect RF pin configuration includes two ground pins and a data pin which are spaced apart and directly connected to a PCB of the ONU. The opposing ends of the pins are directly connected to a PCB of an external component, such as an ONU host box. The pins are thus spaced apart such that they do not impede each others' function and available for direct connection to the external component. | 02-19-2009 |
20090052903 | System and method for expanding PCIe compliant signals over a fiber optic medium with no latency - A system for expanding PCI Express (PCIe) compliant signals over a fiber optic medium with no latency. A standardized fiber optic transceiver is adapted to provide an optimal PCIe expansion over a fiber optic medium. Signal buffers are utilized to translate and fine-tune standardized PCIe traffic to a level of low voltage differential signaling (LVDS) that is comprehensible to a wide range of fiber optic transceivers over a wide range of interface bandwidths. The intended use for such a high-speed LVDS buffer is to strengthen and enable PCIe signals over metal (copper) cable or metal printed circuit board (PCB) traces for large PCBs, such as backplanes, server motherboards, etc. By disposing the PCIe buffer used for metal (copper) cable between the PCIe bus and the fiber optic transceiver, one can achieve the signal conditioning and translating required to allow PCIe signals to pass over the fiber optic medium. | 02-26-2009 |
20090060518 | METHODS AND APPARATUSES FOR PROVIDING A HERMETIC SEALING SYSTEM FOR AN OPTICAL TRANSCEIVER MODULE - In an optical transceiver module, the bottom surface of the lid is temporarily attached to the top surface of the submount assembly in a pre-alignment position prior to performing the solder flowing process in order to prevent the lid from shifting position during the solder flowing process. The solder flowing process is then performed to melt the solder. When the solder melts, the surface tension of the melted solder pulls the lid into its ultimate, or permanent, aligned position. The solder is then cooled, causing it to harden, thereby securing the lid to the submount assembly in its ultimate, permanently aligned position. The hardened solder between the top surface of the submount assembly and the bottom surface of the lid forms a hermetic seal that encloses components on the transmit side of the transceiver module in a hermetically-sealed environment. | 03-05-2009 |
20090067848 | LIMITED LIFE TRANSCEIVER - Systems and methods for an optical transceiver module to limit the amount of time the optical transceiver module is allowed to operate. The optical transceiver module includes at least one processor, a persistent memory and a system memory. The persistent memory, which is coupled to the at least one processor, contains microcode. The microcode is loaded from the persistent memory to the system memory and executed by the at least one processor. The executed microcode causes the optical transceiver module to detect the amount of time that the optical transceiver has been operating. The optical transceiver module then determines if the detected amount of operating time is in excess of a predetermined amount of operating time. If the detected operating time is in excess of the predetermined amount of operating time, the optical transceiver module causes itself to become non-operational. The optical transceiver module may then report its operational status. | 03-12-2009 |
20090074423 | Method and apparatus for configuring an optical network terminal - Separating Passive Optical Network (PON) functions in different mechanical devices, such as optical to electrical conversion of the PON protocol, allows installation of an optical termination device at an exterior of an installation premises and installation of a user interface device performing PON functions inside the installation premises. Various embodiments allow service providers first to install an optical device outside the premises and, later, to install an electrical device, optionally by a customer. This eliminates a service provider from entering the installation premises and enables the customer to complete installation in the interior of the installation premises. Further, more robust, hardened components may be used in the more-permanently installed exterior device, while less-expensive, lower-quality components may be used in the easily-replaceable indoor device, thus reducing cost. | 03-19-2009 |
20090087188 | Compact Optical Transceivers Including Thermal Distributing and Electromagnetic Shielding Systems and Methods Therefor - An optical transceiver includes structures that define an electrical connector port for allowing connection of an electrical connector to an optical subassembly of the transceiver, and structures that define a vent surrounding at least portions of the connector port, whereby the vent allows bidirectional passage of air therethrough. Included in the transceiver are structures that define electromagnetic interference shielding and selectively transfer heat of heat generating electronic components by conduction to a transceiver housing. Methods of cooling the transceiver by ventilation and internal heat conduction are present. | 04-02-2009 |
20090092399 | MONOLITHIC SHELL FOR AN OPTICAL ELECTRICAL DEVICE - An optoelectronic transceiver module. The optoelectronic module is a monolithic, one-piece module shell that includes a top portion, a bottom portion, a first side portion, a second side portion, and a front portion. The top portion, bottom portion, first side portion, second side portion and the front portion define a cavity configured to enclose electro-optical circuitry. In addition, the top portion and the bottom portion are configured such that the top portion is not separable from the bottom portion. Further, the front portion defines at least one of an optical transmit port or an optical receive port. | 04-09-2009 |
20090097857 | DOWNHOLE OPTICAL COMMUNICATION SYSTEM AND METHOD - Disclosed herein is a downhole optical communication system. The system includes, at least one optical transmitter and at least one optical receiver. The at least one optical receiver is in operable communication with the at least one optical transmitter such that wellbore fluid is passable between the at least one optical transmitter and the at least one optical receiver, the at least one optical receiver is receptive of light emitted from the at least one optical transmitter and information encoded therein. | 04-16-2009 |
20090103926 | SYSTEMS AND METHODS FOR THE INTEGRATION OF FRAMING, OAM&P, AND FORWARD ERROR CORRECTION IN SFP OPTICAL TRANSCEIVER DEVICES - The present invention provides systems and methods for integrated framing functionality; optical layer operations, administration, maintenance, and provisioning (OAM&P); forward error correction (FEC); data encapsulation; and performance enhancement support in SFP optical transceiver modules. An SFP pluggable transceiver is configured to frame a client signal and to provide OAM&P functionality, such as with G.709 framing. The SFP pluggable transceiver operates within existing multi-source agreement (MSA) specifications for SFP. Accordingly, the pluggable transceiver can operate in any customer device compliant to the MSA specifications. | 04-23-2009 |
20090116845 | TETINTELLIGENT OPTICAL TRANSCEIVER CAPABLE OF OPTICAL-LAYER MANAGEMENT - An integrated optical transceiver includes an optical receiver that receives a first optical signal that comprises input user data and a first modulation signal. The first modulation signal includes first management information. The optical receiver can output a first electrical signal comprising the first modulation signal and to output a second electrical signal comprising the input user data in response to the first optical signal. A processing unit can demodulate the first electrical signal to extract the first management information. The processing unit can produce a modulation control signal in response to second management information. An optical transmitter can output a second optical signal in response to the modulation control signal and a third electrical signal comprising output user data. | 05-07-2009 |
20090116846 | PROTOCOLS FOR OUT-OF-BAND COMMUNICATION - Methods for managing an optical network through out-of-band communication between optical transceiver modules in a heterogeneous network fabric are disclosed. The disclosed methods include methods for performing fabric discovery, communicating error messages, detecting intrusion. Methods are also disclosed for communicating between transceivers of differing protocol versions and memory capacity. | 05-07-2009 |
20090123157 | PRINTED CIRCUIT BOARD ASSEMBLY CARRIER FOR AN OPTICAL ELECTRICAL DEVICE - A printed circuit board assembly (PCBA) carrier for enclosing an optical transceiver PCBA. The PCBA carrier includes a base portion including one or more first connection members, the base portion being configured to receive an optical transceiver PCBA and a top portion including one or more second connection members configured to couple to the first connection members to thereby secure the top portion to the base portion, the top portion being configured to reside above the optical transceiver PCBA when the first and second connection members are coupled. The PCBA carrier is further configured to enclose the optical transceiver PCBA when the base and top portions are coupled to provide a solid structure for the optical transceiver PCBA without the need for a separate optical transceiver module housing. | 05-14-2009 |
20090129782 | BUILDING ILLUMINATION APPARATUS WITH INTEGRATED COMMUNICATIONS, SECURITY AND ENERGY MANAGEMENT - An LED light and communication system includes one or more optical transceivers that have a light support having a plurality of light emitting diodes and one or more photodetectors attached thereto, and a processor in communication with the light emitting diodes and the one or more photodetectors. The processor is constructed and arranged to generate a communication signal. The one or more optical transceivers are engaged to a lighting fixture within a building. The one or more optical transceivers are constructed and arranged to communicate with a name tag. | 05-21-2009 |
20090136234 | TRANSCEIVER MODULE SLEEP MODE - In one embodiment, an apparatus comprising an optical transmitter, having an optical transmitter portion and an electrical transmitter portion, and configured to convert an electrical signal to an optical signal, and transmit the optical signal; an optical receiver, having an optical receiver portion and an electrical receiver portion, configured to receive an optical signal and convert the optical signal to an electrical signal; a passive power controller configured to passively detect whether or not a cable is coupled with the optical transmitter and, if not, to place at least the optical transmitter portion in a sleep mode. | 05-28-2009 |
20090136235 | Probe card with optical transmitting unit and memory tester having the same - Example embodiments provide a probe card having an optical transmitting unit and a memory tester having the probe card. The probe card may include a plurality of needles connected to test terminals formed in a memory, a plurality of first terminals connected to the needles, a plurality of second terminals connected to the outside and corresponding to the first terminals, and an optical transmitting unit. The optical transmitting unit may connect the first terminals and the second terminals. | 05-28-2009 |
20090148169 | CALIBRATION - A system, including an optical source configured to emit optical signals, and an optical receiver configured to receive optical signals; a housing having one or more optical windows; a user-detachable reflector attached to the housing, configured to enable emitted optical signals exiting an optical window to be reflected, so that the optical signals re-enter the housing via an optical window for reception by the optical receiver; and a calibrator configured to calibrate an output of the optical receiver using optical signals received by the optical receiver. | 06-11-2009 |
20090154934 | Optical Transceiver Method and Apparatus - An optical transceiver ( | 06-18-2009 |
20090162072 | Transmission apparatus and method of switching phase lock reference frequency signal thereof - An optical transmission apparatus according to the present invention connects a terminal apparatus side in which a transmission line is formed by, for example, SONET/SDH, and a WDM side in which a transmission line is formed by, for example, OTU3. The optical transmission apparatus according to the present invention includes a selector that, when an input signal is interrupted or switched, controls a PLL unit so as to switch and obtain a clock signal of a predetermined frequency oscillated by an OSC, corresponding to a frequency of a clock signal of the input signal before being divided to input into the PLL unit, as a clock signal to generate a PLL reference frequency. | 06-25-2009 |
20090175626 | Optical transceiver amplifier - Systems and devices for use as optical transceivers and amplifiers in optical networks. An optical transceiver/amplifier has two optical signal circulators, each of which receives one incoming signal and transmits one outgoing optical signal. Each circulator combines its incoming and outgoing signals on to a bidirectional optical connection internal to the transceiver amplifier. Between the two circulators are a pump laser, an optical coupler to couple the pump laser's power into the bidirectional connection, and an amplifying medium for amplifying the bidirectional signal's internal to the transceiver amplifier. The amplifying medium may be an Erbium doped fiber which would amplify any optical signal passing through it. In one embodiment, the transceiver amplifier is in a self-contained package that is pluggable into existing equipment using pre-existing ports and interfaces. | 07-09-2009 |
20090185809 | Irda transceiver module that also functions as remote control IR transmitter - The infrared LED of an IrDA module transmits IR energy with a peak wavelength (for example, 875 nm) appropriate for IrDA communication. This peak wavelength is lower than is the wavelength (for example, 940 nm) used in ordinary IR remote controls (RC). The IrDA LED does, however, transmit some energy at the wavelength of the peak sensitivity of an RC receiver. When making an IrDA transmission, the IrDA LED is driven with a lower amount of current. When making an RC transmission, the IrDA LED is driven with an increased amount of current such that higher wavelength emissions received by the RC receiver are of adequate power to realize RC communication. A passive circuit is disclosed for automatically increasing IrDA LED current during RC transmissions. The circuit involves an inductor that shunts current around a current-limiting resistor used to limit LED drive current. | 07-23-2009 |
20090196624 | PHOTOSENSOR OPERATING POINT - The subject matter disclosed herein relates to determining a photosensor operating point. | 08-06-2009 |
20090196625 | OPTICAL TRANSCEIVER MODULE HAVING A LATCHING BAIL MECHANISM THAT USES A CAM LOCK CONFIGURATION - An optical transceiver module is provided that has a pivoting bail latching mechanism that is extremely stiff and locks via a cam locking configuration rather than relying on spring-loading forces to bias the latching mechanism to and maintain the latching mechanism in a desired position. The stiffness of the pivoting bail latching mechanism provided by the cam locking configuration better ensures that forces exerted the transceiver module will not cause the transceiver module to come out of the cage while latched. | 08-06-2009 |
20090196626 | Receiver optical sub-assembly and optical receiver module - A receiver optical sub-assembly includes a multilayered ceramic substrate mounted on an electrically conductive base. The multilayered ceramic substrate has a ground layer on the front surface. A light receiving element is mounted on the front surface of the multilayered ceramic substrate. A cap and the electrically conductive base enclose the multilayered ceramic substrate and the light receiving element. An electrically conductive body connects the ground layer to the electrically conductive base. Terminals are attached to the back surface of the multilayered ceramic substrate. The terminals project outside the electrically conductive base. A high frequency noise propagates from the ground layer to the base through the electrically conductive body. A sufficient amount of ground potential is obtained. Self-resonance is prevented. The multilayered ceramic substrate enables an enhanced density of the terminals based on a wiring pattern or patterns and a via or vias. | 08-06-2009 |
20090208222 | OPTICAL TRANSCEIVER, ITS COMMUNICATION METHOD, AND COMMUNICATION SYSTEM - An optical transceiver includes an optical transmission section that transmits an optical signal, an optical reception section that receives an optical signal, and a control section that controls the optical transmission section and the optical reception section. The control section optically communicates with an external device through the optical transmission section and the optical reception section. | 08-20-2009 |
20090245807 | OPTICAL POWER MONITORING CIRCUIT, OPTICAL TRANSCEIVER, OPTICAL MODULE, OPTICAL RECEIVER, AMPLIFIER CIRCUIT, AND INTEGRATED CIRCUIT - Optical power monitoring capable of achieving a wide dynamic range and high-speed response is realized. An optical power monitoring circuit includes: a first amplifier (TIA | 10-01-2009 |
20090257754 | FORM FACTOR ADAPTER MODULE - Various example embodiments are disclosed. According to one example embodiment, a form factor adapter module may include a small form factor (SFF) host connector, an X2 or XENPAK edge finger connector, and a serial to XAUI transceiver. The SFF host connector may be configured receive a small form factor pluggable (SFP or SFP+) module and to transmit and receive data according to a Serial Gigabit Media Independent Interface (SGMII) or Serializer-deserializer Framer Interface (SFI) protocol. The X2 or XENPAK edge finger connector may be configured to mate with an X2 or XENPAK edge finger socket and to transmit and receive data according to a Ten Gigabit Ethernet Attachment Unit Interface (XAUI) protocol. The serial to XAUI transceiver may be coupled to both the SFF host connector and the X2 or XENPAK edge finger connector. The serial to XAUI transceiver may be configured to convert data between the SGMII or SFI protocol and the XAUI protocol. | 10-15-2009 |
20090263139 | Method and apparatus for increasing voice service for an optical network terminal (ONT) - An Optical Network Terminal (ONT) has a fixed number of voice ports. A system employing an example embodiment of the invention increases the number of voice ports without changing hardware in the ONT by employing an Analog Terminal Adaptor (ATA) expander and configuring the ATA expander through use of a Session Initiation Protocol (SIP) and other network resources already available in a network with which the ONT is associated. The ATA expander is configured to be compatible with the ONT and, thus the ONT can increase voice services without hardware changes to support growing demands by customers for access to voice services via increasing number of Customer Premises Equipment (CPE). | 10-22-2009 |
20090269075 | ELECTRO-OPTICAL ASSEMBLY AND METHOD FOR MAKING AN ELECTRO-OPTICAL ASSEMBLY - An electro-optical assembly (EA) is provided in which the transmitter and receiver components are integrated together on a single circuit board, which is encapsulated in a single molded EA package. Integrating the transmitter and receiver components on a single circuit board allows the size and complexity of the EA to be greatly reduced as compared to the traditional TO-can and FOT architectures. A standard semiconductor inline automation system and process may be used to manufacture the EA packages so that they may be mass produced with improved throughput, yield and quality as compared to the method currently used to manufacture and assemble the known EA used in the traditional TO-can and FOT architectures. | 10-29-2009 |
20090269076 | SYSTEMS AND METHODS FOR OPTICAL RECEIVER DECISION THRESHOLD OPTIMIZATION - The present invention provides systems and methods for a receiver threshold optimization loop to provide self-contained automatic adjustment in a compact module, such as a pluggable optical transceiver. The receiver threshold optimization loop utilizes a performance metric associated with the receiver, such as FEC, to optimize performance of the receiver. The receiver is optimized through a change in the receiver threshold responsive to the performance metric. Advantageously, the present invention provides improved receiver performance through a continuous adjustment that is self-contained within the receiver, such as within a pluggable optical transceiver compliant to a multi-source agreement (MSA). The receiver threshold optimization loop can include a fine and a coarse sweep of adjustment from an initial setting. | 10-29-2009 |
20090269077 | PLUGGABLE TRANSCEIVER WITH BI-DIRECTIONAL OPTICAL SUB-ASSEMBLY - An optical transceiver is disclosed, in which the transceiver installs a BOSA and has an additional heat conducting path from the BOSA to the cover and to the base independent of the path from the IC to the cover. The optical transceiver includes a heat conductor that comes in thermally contact with the BOSA, the cover and the base. The heat conductor, which is made of metal sheet, has a ceiling piece that comes in contact with the cover and a pair of legs with the bottom surface that comes in contact with the base in both sides of the BOSA. | 10-29-2009 |
20090290881 | OPTICAL COMMUNICATION APPARATUS AND OPTICAL TRANSCEIVER THEREOF - An optical transceiver disposed within a cage includes a main body, a handle and a sliding element. The handle is coupled with the main body. The sliding element is secured to the handle and has an arm which is slidably disposed in a track of the main body. When the handle is rotated, the sliding element slides along the track. | 11-26-2009 |
20090297159 | HIGH DENSITY ACTIVE MODULAR OPTOELECTRONIC DEVICE FOR USE WITH PUSH-RELEASE MECHANISM AND METHOD FOR USING SAME - Super miniature TFF and TFP active modular optoelectronic components are based on an optical interface that is three times less than the size of SFF/SFP components and about six times smaller than an SC based component and thus provides a density that is three times higher than LC interfaces. The invention provides substantially smaller photonic devices that can be used with substantially smaller optoelectronic components and combines the new optoelectronic components with the new smaller miniature interconnect systems such as the Push-Release type using the same interface. The new interface can be used with sub-millimeter or larger diameter ferrules. Photonic devices are mounted in a close proximity of the active end of a fiber stub thereby avoiding the need for lenses and active alignment and enabling use in active hermetic or non-hermetic subassemblies. | 12-03-2009 |
20090297160 | Optical transceiver - An optical transceiver stores an output A/D value which is A/D-converted from reference voltage in an EEPROM as correction data in preparing the optical transceiver. The optical transceiver, receiving a request for outputting a monitored value from an external device connected therewith, calculates a variation based on difference between the output A/D value which is A/D-converted from the reference voltage at the timing when the request for outputting the monitored value is received and the correction data stored in the EEPROM. Then, the optical transceiver uses the calculated variation to convert current of light-input power which is input thereinto into voltage, amplify the voltage, and A/D-convert the voltage to thereby correct the output A/D value. The optical transceiver outputs the corrected A/D value to the connected external device as the monitored value. | 12-03-2009 |
20090297161 | Optical transmission apparatus with clock selector - An optical transmission apparatus includes a first transceiver unit coupled to a first node, a second transceiver unit coupled to a second node, an electrical signal processing unit provided between the transceiver units, a first transmission clock generating unit configured to generate a clock used by the second transceiver unit based on a clock of a signal arriving through the first node, a second transmission clock generating unit configured to generate a clock used by the first transceiver unit based on a clock of a signal arriving through the second node, a selector configured to select an output clock of the first transmission clock generating unit at a time of optical input interruption at the second node, and a frequency dividing unit configured to produce a frequency-divided clock obtained by dividing frequency of the output clock selected by the selector for provision to the second transmission clock generating unit. | 12-03-2009 |
20090297162 | Optical communication base station, optical signal conversion apparatus, and optical signal conversion method - An optical communication base station which receives an upstream optical signal having an upstream bit rate specific to each one of a plurality of lower order communication units from a corresponding one of the plurality of lower order communication units, and which transmits a downstream optical signal having a downstream bit rate specific to each one of the plurality of lower order communication units to a designated one of the plurality of lower order communication units, includes; a first optical signal conversion unit which changes the bit rate of the upstream optical signal and thereby converts the upstream optical signal into a fixed bit-rate inter-station optical signal; and a second optical signal conversion unit which converts the inter-station optical signal into the downstream optical signal by changing the bit rate of the inter-station optical signal according to the designated one of the plurality of lower order communication units. | 12-03-2009 |
20090317086 | OPTICAL TRANSCEIVER MODULE AND METHOD OF CONTROLLING OPTICAL TRANSCEIVER MODULE - An optical transceiver module for transmitting and receiving an optical signal with a plurality of channels includes timing generator for sequentially generating timing instructions defining different start-up time points, and powering controller for effecting a control such that power supply to at least a portion of circuit components associated with the respective channels is sequentially started in accordance with the timing instructions generated by the timing generator. Current to be instantaneously necessitated when a power switch is turned on or when a power restoration is made from power saving operation modes can be suppressed. | 12-24-2009 |
20090317087 | Configurable control for network device operation - A network device can encounter operating conditions that have potential to affect upstream communications adversely for another network device, as well as for the upstream communications or hardware of the network device itself. A network device according to an example embodiment of the present invention is configured to determine when such conditions occur, and, in response, modify the behavior of the device so as to maintain the integrity of upstream communications and the network device. Network robustness is improved through the example embodiment, and fewer service calls are experienced by service providers. | 12-24-2009 |
20090317088 | OPTICAL SPACE TRANSFER APPARATUS USING IMAGE SENSOR - A transmission device includes a first light emission unit having a light source for emitting one optical signal. A reception unit includes an X-Y address system image sensor, having a pixel region including a plurality of pixels, for receiving the optical signal by the pixel region; a classification unit for creating classification information representing a pixel group including pixels, among the plurality of pixels, which are irradiated with the optical signal; and a control unit for controlling the X-Y address system image sensor in accordance with the classification information to simultaneously read signals of the pixels belonging to the pixel group. | 12-24-2009 |
20090324237 | PLUGGABLE OPTICAL NETWORK UNIT CAPABLE OF STATUS INDICATION - A pluggable optical network unit includes a transceiver assembly configured to produce a first electrical signal in response to a first optical signal comprising reception signal data and to emit a second optical signal comprising transmission signal data in response to a second electrical signal. A data processing unit can extract the reception signal data from the first electrical signal and produce the second electrical signal in response to the transmission signal data. An interface unit can receive the reception signal data from the data processing unit, serialize the reception signal data, and send a third electric signal comprising the reception signal data to a network device that the pluggable optical network unit is plugged into. A management unit can modify the third electric signal in accordance to the operation status of at least one of the transceiver assembly or the data processing unit. | 12-31-2009 |
20090324238 | Single-fiber bidirectional optical transmitter/receiver - A single-fiber bidirectional optical transmitter/receiver includes a single-fiber bidirectional optical transmission/reception device. A circuit board has a signal processing circuit and a drive circuit configured to drive the single-fiber bidirectional optical transmission/reception device. A main housing accommodates the single-fiber bidirectional optical transmission/reception device and the circuit board. A ground part of a reception side of the single-fiber bidirectional optical transmission/reception device is electrically connected to a ground part of a transmission side of the single-fiber bidirectional optical transmission/reception device through a ground wiring pattern formed on a flexible printed board. | 12-31-2009 |
20100008675 | INTEGRATED TRANSCEIVER WITH LIGHTPIPE COUPLER - Systems and methods for configuring an integrated transceiver are disclosed. In one embodiment, very small form factor transceivers can be configured to allow 10 G optical interconnects over distances up to 2 km. Transceiver circuitry can be integrated on a single die, and be electrically connected to a transmitter such as a laser-diode and a receiver such as a photo-diode. In one embodiment, the laser and photo diodes can be edge-operating, and be mounted on the die. In one embodiment, one or both of the diodes can be surface-operating so as to allow relaxation of alignment requirement. In one embodiment, one or both of the diodes can be mounted on a submount that is separate from the die so as to facilitate separate assembly and testing. In one embodiment, the diodes can be optically coupled to a ferrule via an optical coupling element so as to manage loss in certain situations. | 01-14-2010 |
20100028014 | FIBEROPTIC TRANSCEIVER MODULE WITH INTEGRAL STATUS INDICATORS - Exemplary embodiments of the invention relate to an optical transceiver module having a status indicator assembly, wherein the status indicator assembly is configured to visually display the operational status of the transceiver transmitter and receiver components. The operational status is accessible while the transceiver operates in conjunction with an external host and may be ascertained in real time without interrupting normal transceiver operation or suspending the transmission of data over optical fibers. | 02-04-2010 |
20100028015 | BACKDOOR DIAGNOSTIC COMMUNICATION TO TRANSCEIVER MODULE - Exemplary embodiments of the invention relate to an optical transceiver module having a diagnostic communications link, wherein the link is configured to access diagnostic and other data contained within the transceiver controller via a backdoor interface. Controller data, including operational parameter values and module setup values, is accessible while the transceiver operates in conjunction with an external host and may be retrieved, and sometimes modified, in real time without interrupting normal transceiver operation or suspending the transmission of data over optical fibers. The data is accessed with an external user device via a backdoor interface on the outside of the transceiver module. | 02-04-2010 |
20100046954 | OPTOELECTRONIC TRANSCEIVER ASSEMBLY AND RELEASE MECHANISM EMPLOYED THEREIN - An optoelectronic transceiver module includes a cage, a transceiver module and a release mechanism. The cage defines an opening and includes a retaining tab formed around the opening. A retaining hole is defined in the retaining tab. The transceiver module received in the cage through the opening includes a first surface and a second surface opposite to the first surface. A fixed latch disposed on the first surface mates with the retaining hole so as to lock the transceiver module in the cage. The release mechanism includes a release trigger and a release lever inflexibly connected together. The release lever is disposed between the retaining tab and the transceiver module. The release trigger abuts the second surface. When the release trigger is pressed towards the second surface, the release lever is subsequently driven to disengage the fixed latch from the retaining tab. | 02-25-2010 |
20100054749 | COMBINATION NETWORK FIBER CONNECTOR AND LIGHT PIPE - Exemplary embodiments of the invention relate to an optical transceiver in which the base portion is made of a light permeable material and configured to emit light representative of the status of certain transceiver parameters. The transceiver includes a housing which at least partially encloses the base portion. The base portion connects to a printed circuit board on which a light-emitting diode is mounted. Light from the light-emitting diode is conducted to front portion of the base, which is light permeable, through a light-pipe assembly, thereby illuminating the entire front portion of the base. Because the front portion of the base is not enclosed within the housing the light emitted is clearly visible from a distance even when fiber connectors are plugged into the transceiver receptacles. | 03-04-2010 |
20100080567 | PARALLEL OPTICAL TRANSCEIVER MODULE HAVING A BALANCED LASER DRIVER ARRANGEMENT - A parallel optical transceiver module is provided that has a balanced laser driver arrangement. The balanced laser driver arrangement of the invention includes at least two laser diode driver ICs, which preferably are located on opposite sides of a laser diode IC. Each laser diode driver IC drives a subset (e.g., half) of the total number of laser diodes of the laser diode IC. Because each laser diode driver IC drives a subset of the total number of laser diodes of the laser diode IC, the pitch (i.e., distance) between the high-speed signal pathways within the laser diode driver ICs can be increased. Increasing the pitch between the high-speed signal pathways provides several advantages, including, for example, reducing the potential for electrical cross-talk and inductive coupling between adjacent wire bonds that connect the output driver pads on the driver IC to the respective input pads on the laser diode IC. | 04-01-2010 |
20100098427 | EMI SHROUD FOR A PLASTIC RECEIVE OPTICAL SUBASSEMBLY - The principles of the present invention provide for a plastic ROSA that has a metallic EMI shroud covering a portion of the plastic ROSA. The combination of the plastic ROSA and the EMI shroud provides the unexpected result of having EMI shielding substantially similar to a metal ROSA. | 04-22-2010 |
20100111539 | TRANSCEIVER MODULE AND INTEGRATED CIRCUIT WITH DUAL EYE OPENERS - A transceiver module having integrated eye diagram opening functionality for reducing jitter is described. The transceiver module may include a transmitter eye opener and a receiver eye opener integrated in a single circuit. The transceiver module may also include serial control and various other integrated components. Other functionalities that may be integrated on the transceiver module include loopback modes, bypass features, bit error rate testing, and power down modes. | 05-06-2010 |
20100119234 | MILLIMETER WAVE TRANSCEIVING SYSTEM AND REFLECTING PLATE - A millimeter wave transceiving system | 05-13-2010 |
20100129083 | PARALLEL OPTICAL TRANSCEIVER MODULE THAT UTILIZES A FOLDED FLEX CIRCUIT THAT REDUCES THE MODULE FOOTPRINT AND IMPROVES HEAT DISSIPATION - A parallel optical transceiver module is provided that uses a folded flex circuit arrangement that reduces the footprint of the transceiver module while also providing the module with improved heat dissipation characteristics. In addition, the manner in which components are mounted on the flex circuit facilitates assembly of the module, reducing the overall cost of the module while improving manufacturing yield. | 05-27-2010 |
20100142967 | Reference Clock Rate Detection for Variable Rate Transceiver Modules - A system and method are provided for determining an optical signal frequency range in an optical/electrical transceiver. The method receives an optical receive signal having a non-predetermined data rate via a network interface, and also receives an electrical reference clock signal having a non-predetermined frequency via a framer interface. The reference clock signal frequency is cross-referenced to an optical receive signal frequency. In one aspect a clock and data recovery (CDR) voltage controlled oscillator (VCO) is selected having an output frequency matching the cross-referenced optical receive signal frequency. The optical receive signal is converted to an electrical receive signal. Initially, the VCO is frequency-locked to the reference clock. Subsequent to frequency-locking the VCO output frequency, the converted optical signal is phase-locked, generating a receive data clock. The CDR supplies a converted optical receive signal and receive data clock to the framer interface. | 06-10-2010 |
20100158535 | SMALL FORM-FACTOR PLUGGABLE TRANSCEIVER MODULE - A small form-factor pluggable transceiver module including a first optical transceiver device having a first circuit board, a second optical transceiver device having a second circuit board, and a third circuit board, disposed between the first circuit board and the second circuit board, having golden fingers hot-pluggable to an electronic equipment. The first circuit board preferably parallels with the second circuit board, and the third circuit board is preferably perpendicular to the first circuit board and the second circuit board. In addition, the third circuit board is preferably higher than the bottoms of the first circuit board and the second circuit board. | 06-24-2010 |
20100166430 | Broadcast optical interconnect using a MEMS mirror - Methods and apparatus are described for optical interconnection. A method includes reconfiguring a free space broadcast interconnection including repositioning a micro electromechanical system mirror. An optical interconnect system comprises: at least two processing elements, each of said processing elements comprising: at least one optical signal transmitter; at least one optical signal receiver on the same support structure as the transmitter; and at least one MEMS mirror to provide the capability of optically connecting the emitter and transmitter. | 07-01-2010 |
20100166431 | OPTICAL TRANSCEIVER IC - A power management arrangement for low power optical transceiver such as those that may be integrated into a personal computer or server may periodically put itself into a power conservation or sleep mode which assures the transceiver is available upon wake-up. | 07-01-2010 |
20100172650 | DIRECTLY MODULATED LASER WITH INTEGRATED OPTICAL FILTER - An integrated optical source includes a Directly Modulated Laser (DML) and a filter which is positioned with the DML on a common substrate. The filter is configured to receive an input signal in the form of a modulated chirped optical signal. The filter is further configured to provide an output optical signal in the form of an amplitude and/or phase modulated optical signal, optimized for long-distance transmission in optical fiber. | 07-08-2010 |
20100172651 | LIGHT EMITTING DEVICE, LIGHT RECEIVING DEVICE, DATA TRANSMISSION SYSTEM AND DATA TRANSMISSION METHOD USING THE SAME - A light emitting device, a light receiving device and a data transmission system and a data transmission method using the same are provided. The data transmission system includes the light emitting device and the light receiving device. The light emitting device includes a light emitting unit and a control circuit, and the light receiving device includes an image capture unit, a recognition unit and a decoding unit. The control circuit controls the light emitting unit to sequentially display a plurality of pattern images in a plurality of frame times to form a spatiotemporal pattern image according to setting data corresponding to a temporal domain and a spatial domain. The image capture unit captures the spatiotemporal pattern image. The recognition unit recognizes the spatiotemporal pattern image to output recognized data. The decoding unit decodes the recognized data to output decoded data. | 07-08-2010 |
20100183315 | POWER SUPPLY MODULE OF OPTICAL NETWORK TERMINAL SYSTEM - A power supply module includes a backup battery unit and a power supply unit. The backup battery unit has at least one first engaging element. The power supply unit has at least one second engaging element mating with the first engaging element. After the second engaging element is engaged with the first engaging element, the power supply unit is detachably connected with the backup battery unit. | 07-22-2010 |
20100202781 | Tunable Optical Transceiver in an XFP Package - An optical transceiver for converting and coupling an information-containing electrical signal with an optical fiber including a housing including an electrical connector with a serial interface for coupling with an external electrical cable or information system device and a fiber optic connector adapted for coupling with an external optical fiber, at least one electro-optical subassembly in the housing for converting between an information containing electrical signal and a modulated optical signal corresponding to the electrical signal including a transmitter subassembly including a tunable laser operating at selectable wavelength and modulated with the electrical signal for emitting a laser light beam coupled to the fiber optic connector for transmitting the optical signal to an external optical fiber. | 08-12-2010 |
20100209112 | PLUGGABLE OPTICAL TRANSCEIVER MODULE SET - A pluggable optical transceiver module set includes an optical signal male connector with an elastic flake with an opening thereon, and an optical signal female connector with a bump, a holding rod and a driven element. When the optical signal male connector is plugged into the optical signal female connector, the bump is fastened in the opening, and the optical signal male connector is disconnected from the optical signal female connector when the holding rod is moved to rotate the driven element to press the elastic flake and release the bump from the opening. | 08-19-2010 |
20100239266 | METHOD AND APPARATUS FOR IMPLEMENTING NON-BLOCKING COMPUTER INTERCONNECTION NETWORK USING BIDIRECTIONAL OPTICAL SWITCH - According to an embodiment of the present disclosure, a bidirectional communications system includes a first non-blocking network including a bidirectional optical switch, a plurality of nodes, a plurality of optical transceivers connected between the bidirectional optical switch and the plurality of nodes, each optical transceiver including a transmitter, a receiver and an optical combiner, and a second network connected to at least one of the nodes and the at least one at least one bidirectional optical switch for control of a crossconnect. | 09-23-2010 |
20100254710 | EARLY SELF-VALIDATION OF PERSISTENT MEMORY DURING BOOT IN AN OPTICAL TRANSCEIVER - An operational optical transceiver configured to self-validate a boot image loaded from the persistent memory early in the boot process. The optical transceiver includes a persistent memory, a controller, and a system memory. The controller initializes the boot process and begins to load information from the persistent memory to the system memory. Next, the controller detects early in the boot process boot image verification data in the information being sent to the system memory. The controller then determines if the boot image verification data has an expected value. If the verification data includes the expected value, the controller continues the boot process. If the verification data does not include the expected value, the controller will retry the boot process a predetermined number of times and will enter a default operational state if the expected value is not detected while retrying the boot process the predetermined number of times. | 10-07-2010 |
20100278539 | EJECTOR APPARATUS AND ASSOCIATED ASSEMBLY METHOD FOR PLUGGABLE TRANSCEIVERS - The present disclosure relates to a novel ejector apparatus for pluggable transceivers, such as transceivers defined by multi-source agreements (MSAs) including SFP, SFP+, XFP, and the like. The ejector apparatus utilizes a shrouded design where the ejector apparatus encapsulates the top, sides, and bottom of a pluggable transceiver thereby allowing an operator to grasp any side of the ejector apparatus to actuate engagement prongs. In keeping with MSA guidelines, the ejector apparatus utilizes prongs to disengage a locking mechanism in order for the kick out springs to release the module. Advantageously, the ejector apparatus enables high density placement of corresponding transceivers, allows access from all sides of the transceiver for ejection, and allows cables to remain connected to the transceiver during ejection. | 11-04-2010 |
20100284698 | TRANSCEIVER SYSTEM ON A CARD FOR SIMULTANEOUSLY TRANSMITTING AND RECEIVING INFORMATION AT A RATE EQUAL TO OR GREATER THAN APPROXIMATELY ONE TERABIT PER SECOND - An optical transceiver system is provided that comprises multiple parallel transceiver modules that are mounted on a card. The transceiver card is small in terms of spatial dimensions, has very good heat dissipation characteristics, and is capable of simultaneously transmitting and receiving data at a rate equal to or greater than approximately one Tb per second (1 Tb/s). A plurality of the transceiver systems may be interconnected to achieve a communications hub system having even higher bandwidths. In addition, the transceiver system may be configured such that each card has a routing controller mounted thereon for performing router functions. The router functions include, for example: causing signals received by one transceiver module on the card to be routed to and transmitted by another of the transceiver modules; causing signals received by one transceiver module on the card to be retransmitted by the same transceiver module over one of it's optical transmit channels; and causing signals received by one transceiver module on the card to be routed to and transmitted by a transceiver module on a different card. | 11-11-2010 |
20100322636 | OPTICAL TRANSCEIVER - An optical transceiver which converts a plurality of optical signals input from a first side into electrical signals so as to output the electrical signals to a second side and converts a plurality of electrical signals input from the second side into optical signals so as to output the optical signals to the first side. | 12-23-2010 |
20110058818 | OPTICAL TRANSCEIVER ASSEMBLY WITH INTEGRATED AMPLIFIER & TRANSMITTER DRIVER ON A FLEXIBLE CIRCUIT - A flexible circuit assembly is described that integrates a first fiber optic die, for example a transmitter die, a second fiber optic die, for example a receiver die, a trans-impedance amplifier die and a transmitter driver die on a single flexible circuit. Alignment holes and multiple die are accurately placed on a single flexible circuit. The precise placement of alignment holes and fiber optic die facilitate micron alignment accuracy to a fiber optic connector, preferably a mechanical transfer (MT) connector. A heat sink is provided that transfers heat from the trans-impedance amplifier die and the transmitter driver die and isolates the fiber optic die from the heat source. Circuitry for the first fiber optic die, second fiber optic die, impedance die, and driver die, including isolated grounding circuitry, is also integrated on the flexible circuit assembly. | 03-10-2011 |
20110058819 | OPTICAL TRANSMISSION DEVICE - Provided is an optical transmission device which includes: an optical transmission unit including a light-emitting element; an optical reception unit including a static current source generating bias current for driving the light-emitting element; a light-transmitting medium optically connecting the light-emitting element and a light-receiving element to each other; and an electricity-transmitting medium transmitting the bias current from the static current source to the light-emitting element. | 03-10-2011 |
20110064417 | COMMUNICATION SYSTEM - In a communication system, a signal processor of a communication apparatus transmits, when causing a communication module to perform a predetermined operation, a control signal at a predetermined level. Further, when authenticating the communication module, the signal processor changes a level of the control signal into a previously set authentication pattern and transmits the control signal. An operation controller of the communication module receives the control signal transmitted from the signal processor. When a level of the received control signal is a predetermined level, the operation controller performs a predetermined operation corresponding to the predetermined level. Further, when a level of the received control signal is an authentication pattern, the operation controller performs authentication control by matching or comparing the authentication pattern with a previously recognized pattern. | 03-17-2011 |
20110081152 | High-Speed Receiver Architecture - A receiver (e.g., for a 10G fiber communications link) includes an interleaved ADC coupled to a multi-channel equalizer that can provide different equalization for different ADC channels within the interleaved ADC. That is, the multi-channel equalizer can compensate for channel-dependent impairments. In one approach, the multi-channel equalizer is a feedforward equalizer (FFE) coupled to a Viterbi decoder, for example a sliding block Viterbi decoder (SBVD); and the FFE and/or the channel estimator for the Viterbi decoder are adapted using the LMS algorithm. | 04-07-2011 |
20110110669 | OPTICAL TRANSCIEVER - An optical transceiver for detecting an incoming light beam and for transmitting an outgoing light beam along a common optical axis is provided. Such an optical transceiver provides a compact optical transceiver that is suitable for a wide variety of applications. | 05-12-2011 |
20110110670 | Rotatable Display Assembly - A rotatable display assembly is provided. The rotatable display assembly includes a base unit, a display unit and a wireless transmission system. The display unit is rotatably coupled to the base unit using at least one pivotal means, and the wireless transmission system is adapted to transmit data wirelessly between the base unit and the display unit. | 05-12-2011 |
20110135311 | TRANSMITTER, RECEIVER, TRANSCEIVER, TRANSMISSION CONTROL METHOD, RECEPTION CONTROL METHOD, OPTICAL TRANSMISSION MODULE AND ELECTRONIC DEVICE - A transmission device has a light emitting element for converting an electric signal to an optical signal and transmitting the same, and a drive section for outputting the optical signal from the light emitting element and driving the light emitting element by providing the electric signal to the light emitting element. The electric signal provided by the drive section to the light emitting element is a waveform deformed signal having a waveform in which a time required for a fall is longer than a time required for a rise in a binary signal having a signal of high level and a signal of low level. | 06-09-2011 |
20110135312 | 40G/100G OPTICAL TRANSCEIVERS WITH INTEGRATED FRAMING AND FORWARD ERROR CORRECTION - The present disclosure provides integrated performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); and alarming in optical transceivers, such as multi-source agreement (MSA)-defined modules. The present disclosure includes an optical transceiver defined by an MSA agreement with integrated PM and alarming for carrier-grade operation. The integration preserves the existing MSA specifications allowing the optical transceiver to operate with any compliant MSA host device. Further, the host device can be configured through software to retrieve the PM and alarming from the optical transceiver. The optical transceiver can include CFP and variants thereof (e.g., future CFP2, CDFP, CXP), OIF-MSA-100GLH-EM-01.0, CCRx (Compact Coherent Receiver), Quad Small Form-factor Pluggable (QSFP) and variants thereof (e.g., future QSFP+, QSFP2), 10×10 MSA, XFP, XPAK, XENPAK, X2, XFP-E, SFP, SFP+, 300-pin, and the like. | 06-09-2011 |
20110142453 | OPTICAL TRANSCEIVER AND METHOD FOR CONTROLLING THE SAME - An optical transceiver includes: a transmission unit configured to convert a first electrical signal into a first optical signal and transmit the converted first optical signal; a first power supply unit configured to supply power to the transmission unit; and a controller configured to control the first power supply unit, wherein the controller controls an operation of the first power supply unit according to whether or not the first electrical signal is inputted to the transmission unit. | 06-16-2011 |
20110150494 | OPTICAL TRANSCEIVER AND PACKAGING METHOD THEREOF - An optical transceiver includes a substrate, a positioning seat, a plurality of laser components, a bracket and a plurality of lenses. The positioning seat is installed on the substrate and includes a pair of positioning posts and a plurality of receiving holes between the positioning posts. The laser components pass through the receiving holes and are installed on the substrate. The bracket includes a top cover and one or more sidewalls. The one or more sidewalls surround the positioning seat and the plurality of laser components. The top cover defines a pair of positioning holes engaged with the pair of positioning posts to position the bracket corresponding to the positioning seat. The lenses are installed on the top cover of the bracket and correspond to the plurality of laser components on the substrate. | 06-23-2011 |
20110150495 | VECTOR SUM PHASE SHIFTER, OPTICAL TRANSCEIVER, AND CONTROL CIRCUIT - A vector sum phase shifter includes a 90° phase shifter ( | 06-23-2011 |
20110194858 | Hot-pluggable transceiver flash memory media reader/writer, systems, methods, apparatus, networks and devices - Diverse operational and functional combinations of hot pluggable transceivers, flash, and similar, media cards and other devices, networks, network portions, systems and methods, and memory card reader/writer devices and apparatus, are provided. Networks, network portions, modules, devices, apparatus and methods utilizing the numerous possible combinations of these elements, including software, and to their many advantages and embodiments, are also provided. The inventions relate also to software-enabled operational and functional systems, modules, networks, devices, apparatus and methods utilizing numerous possible combinations of software with these elements and to their many advantages and embodiments | 08-11-2011 |
20110200336 | AVIONICS EQUIPMENT WITH OPTICAL CONTACT AND AVIONICS SYSTEM COMPRISING SUCH EQUIPMENT - An avionics device able to be installed on board an aircraft, including means of processing information and a connector able to receive and/or transmit information, the aforementioned connector including an electrical coupling interface able to transmit and/or receive information in the form of electrical signals, and an electro-optical connection interface able to convert electrical signals into optical signals and to transmit information in the form of optical signals and/or receive information in the form of optical signals and convert these optical signals into electrical signals. | 08-18-2011 |
20110236027 | VOLTAGE GENERATOR, CONTROL CIRCUIT, VECTOR SUM PHASE SHIFTER, AND OPTICAL TRANSCEIVER - A voltage generator ( | 09-29-2011 |
20110249976 | POLARIZATION DIVERSITY OPTICAL SYSTEM DEVICE, DEMODULATOR AND TRANSCEIVER - A polarization diversity optical system device includes: a polarization split unit that splits a first coherent light into a first split light and a second split light whose polarization components are orthogonal to each other, and splits a second coherent light into a third split light and a fourth split light whose polarization components are orthogonal to each other; and alight combining unit that combines the first split light with one of the third split light and the fourth split light, and combines the second split light with the other of the third split light and the fourth split light. | 10-13-2011 |
20110262147 | SMALL FORM FACTOR PLUGGABLE TRANSCEIVER MODULE - SDI - The present invention relates to small form factor pluggable (SFP) transceiver modules. The SFP transceiver module of the present invention comprises a cage corresponding to SFP dimensions, at least one serial digital interface for receiving and/or transmitting an electrical signal, at least one signal conditioning unit for conditioning a received signal, and a host connector for receiving and/or transmitting a conditioned signal. | 10-27-2011 |
20110268454 | LD DRIVER WITH AN IMPROVED FALLING EDGE OF DRIVING SIGNAL AND OPTICAL TRANSMITTER PROVIDING THE SAME - An LD driver to generate an asymmetrical driving current with a relatively faster falling edge and an optical transmitter having the LD driver are disclosed. The LD driver includes a primary driver and the sub-driver connected in parallel to the primary driver. The primary driver converts the input signal or the delayed signal delayed from the input signal into the primary current. The sub-driver generates a symmetrical current tracing the input or the delayed signal, and an asymmetrical current formed by the OR operation between the input and delayed signals. The driving current is formed by adding the primary current, the symmetrical current and the asymmetrical current. | 11-03-2011 |
20110293282 | OUT OF BAND DATA TRANSFER OVER OPTICAL CONNECTIONS - Provided herein are various schemes for transmitting out of band (OOB) signals over optical connections that may not support the transmission of such signals. One scheme may involve converting the OOB signals to different types of signals that are supported by the optical connection, while another scheme may utilize a separate parallel connection that supports the transmission of out of band signals in order to extend the optical connection. Yet another scheme modulates the reference clock of the original (in-band) signal to transmit and receive the OOB information. | 12-01-2011 |
20110293283 | Dual Rate Receiving Device - A dual rate receiving device is provided, which is applicable to an optical transceiver module, and includes a dual rate optical receiving component, a channel switching circuit, a low-speed limiting amplifier data path, and a high-speed limiting amplifier data path. The dual rate optical receiving component further includes a photodetector and a dual rate trans-impedance amplifier, the channel switching circuit further includes a first controllable switch, a second controllable switch, a third controllable switch, and a fourth controllable switch, the low-speed limiting amplifier data path further includes a low-speed limiting amplifier, and the high-speed limiting amplifier data path further includes a high-speed limiting amplifier. The technical solution is adopted, so that while an optical receiving component is working at the most suitable rate, a limiting amplifier data path at a corresponding working rate can be selected, so as to implement a high sensitivity. | 12-01-2011 |
20110293284 | OPTICAL MODULE AND OPTICAL COMMUNICATION SYSTEM - The present disclosure discloses an optical module and optical communication system. The optical module includes an upper housing ( | 12-01-2011 |
20110293285 | TRANSCEIVER MODULE AND INTEGRATED CIRCUIT WITH DUAL EYE OPENERS - A transceiver module having integrated eye diagram opening functionality for reducing jitter is described. The transceiver module may include a transmitter eye opener and a receiver eye opener integrated in a single circuit. The transceiver module may also include serial control and various other integrated components. Other functionalities that may be integrated on the transceiver module include loopback modes, bypass features, bit error rate testing, and power down modes. | 12-01-2011 |
20110299855 | Optical subassembly and manufacturing method thereof - An optical subassembly comprises a transmitter optical subassembly, a receiver optical subassembly, and an electronic assembly connected with the transmitter optical subassembly and the receiver optical subassembly respectively. The transmitter optical subassembly comprises an optical source and an optical source driver driving the optical source; the receiver optical subassembly comprises a photodetector and a control module connecting with the photodetector, and the control module is integrated with a transimpedance amplifier and a limiting amplifier; and the electronic assembly comprises a printed circuit board and a microcontroller formed thereon, and the microcontroller connects with the laser driver and the control module respectively. The present invention can achieve a high integration that is beneficial to the high speed transmission, simplify the layout design of the PCB, and decrease the manufacturing cost. | 12-08-2011 |
20120008962 | CONTROLLER FOR OPTICAL TRANSCEIVER AND A METHOD TO CONTROL THE SAME - A method is disclosed, where the access time to the extended memory space may be shortened in an optical transceiver coupled with a host device through I | 01-12-2012 |
20120020671 | BI-DIRECTIONAL PARALLEL OPTICAL LINK - A system is disclosed. The system includes a first optical transceiver having a first set of transmitters and a first set of receivers and a second optical transceiver having a second set of transmitters coupled anti-symmetrically to the first set of receivers of the first optical transceiver and a second set of receivers coupled anti-symmetrically to the first set of transmitters of the first optical transceiver. | 01-26-2012 |
20120039614 | OPTICAL COMMUNICATION MODULE, AND OPTICAL COMMUNICATION SYSTEM IN WHICH OPTICAL COMMUNICATION MODULE IS USED - The object of the present invention is to provide an optical communication module in which the pin arrangement can be applied flexibly, and an optical communication system in which this optical communication module is used. | 02-16-2012 |
20120045216 | OPTICAL TRANSCEIVER AND PACKAGING METHOD THEREOF - An optical transceiver includes a substrate, a plurality of laser components, a bracket and a plurality of lenses. The substrate defines a plurality of through holes, a plurality of receiving grooves and at least two fixing holes. The laser components are received in the plurality of receiving grooves and installed on the substrate. The bracket includes a top cover with an upper surface and one or more side walls. The one or more sidewalls include at least two positioning posts and one or more fixing surfaces. The positioning posts are engaged with the fixing holes to position the bracket to the substrate. The fixing surfaces are affixed on the substrate by an adhesive. The one or more sidewalls define one or more through channels extending from the one or more fixing surface to the upper surface. The lenses are installed on the bracket and correspond to the laser components. | 02-23-2012 |
20120057878 | COMMUNICATION DEVICE AND CONTROL METHOD OF THE SAME - Disclosed is an optical communication device, including: a light source that outputs an optical signal; a modulation unit that modulates transmission data and inputs it to the light source; a storage unit that holds a set value of the light source or the modulation unit; a power consumption adjustment unit that, according to an instruction, acquires the set value from the storage unit, optimizes power consumption within a predetermined range of transmission characteristics, and determines a set value; and a control unit, being provided the determined set value, that controls power consumption of at least one of the light source and the modulation unit based on the provided set value. | 03-08-2012 |
20120057879 | DISCRETE BOOTSTRAPPING IN AN OPTICAL RECEIVER TO PREVENT SIGNAL FEEDBACK - An optical receiver assembly that is configured to avoid the introduction of feedback in an electrical signal converted by the assembly is disclosed. In one embodiment, an optical receiver assembly is disclosed, comprising a capacitor, an optical detector provided with a power supply being mounted on a top electrode of the capacitor, and an amplifier mounted on the reference surface. The assembly further includes an isolator interposed between the reference surface and the capacitor, wherein the isolator includes a bottom layer of dielectric material that is affixed to a portion of the reference surface, and a metallic top plate that is electrically coupled both to a ground of the amplifier and to the capacitor. This configuration bootstraps the amplifier ground to the amplifier input via the photodiode top electrode of the capacitor to cancel out feedback signals present at the amplifier ground. | 03-08-2012 |
20120076501 | APPARATUS, METHOD, AND SYSTEM FOR IMPROVING BANDWIDTH OF A PLUG AND A CORRESPONDING RECEPTACLE - Described herein is an apparatus for improving bandwidth of a transceiver system e.g., a Universal Serial Bus (USB) micro-B connector. The apparatus comprises a first pair of lens units, each lens unit of the pair positioned on either side of an input-output (I/O) bus interface, the pair of lens units to send and receive optical signals respectively; a first housing to shield the first pair of lens units and for physically coupling the I/O bus interface and the first pair of lens units to a receptacle; and a key to grasp the first housing and to lock the first housing with the receptacle. | 03-29-2012 |
20120082462 | Low Power Consumption Small Form-Factor Pluggable Transceiver - A method is provided to lower the overall power consumption of small form-factor pluggable (SFP) transceivers. The method includes receiving an indication to operate the SFP transceiver in a low power mode, and setting the SFP transceiver to a low power mode in response to the indication by at least switching off a thermal electric cooler (TEC) that controls a temperature of a laser diode of the SFP transceiver. The proposed method may be implemented whenever a reach is not more than a predetermined distance, for example, 65 kilometers. At such reduced distances, the TEC of the SFP transceiver can be switched off while still guaranteeing link functionality. The instant low power mode has the benefit of reducing the power consumption of the SFP transceiver so that, for example, host platforms with lower power delivery budgets can support the SFP transceiver for at least some applications. | 04-05-2012 |
20120087673 | OPTICAL INTERCONNECTION SYSTEM FOR TRANSMITTING AND RECEIVING A THREE-LEVEL SIGNAL AND METHOD OF OPERATING THE SAME - Provided is an optical interconnection system that transmits and receives a three-level signal. The optical interconnection system includes a first and a second optical interconnection device that transmits and receives a two-level signal, and a synthesizer that outputs a three-level signal by synthesizing signals from the first and second optical interconnection devices. The optical interconnection system may transmit and receive a three-level signal while using an optical interconnection device that interconnects a two-level signal. | 04-12-2012 |
20120093518 | SINGLE PACKAGE BIDIRECTIONAL MODULE FOR MULTIMODE FIBER COMMUNICATION - In one embodiment an apparatus is provided for supporting 100GBASE-SR10 data communications over an optical link. The apparatus includes a receptacle configured to receive an optical fiber cable comprising at least 10 OM3 optical fibers, the receptacle including individual channels for receiving respective ones of the at least 10 optical fibers, a plurality of optical receiver/transmitter pairs, and a plurality of wave division multiplexers configured to couple individual ones of the channels with respective ones of the optical receiver/transmitter pairs. | 04-19-2012 |
20120099870 | RECEPTACLE DIPLEXER - A pluggable bi-directional optical transceiver may include: a transmitting laser diode, for transmitting an optical signal according to a received electronic signal; an optical sensor, for receiving the optical signal and for generating the electronic signal according to the received optical signal; a fiber adapter, having a ceramic ferrule with two 8-degree end-face corners; a coupling portion, having three different openings for respectively receiving the transmitting laser diode, the optical sensor, and one end of the ceramic ferrule so an optical axis of a transmitting light of the transmitting laser diode is configured to deflect about 3.8 degrees with an optical axis of the ceramic ferrule; and an engaging portion, having a hollow shell for receiving another end of the ceramic ferrule and an engaging piece surrounding outside the shell for pluggably connecting an external fiber piece. | 04-26-2012 |
20120099871 | OPTICAL COMMUNICATION CARD AND OPTICAL TRANSMISSION DEVICE - There arises a problem that power consumption increases along with an increasing throughout of an FEC function effective in speeding up of a transmission speed. FEC function information necessary for a system is prepared, and multiple FEC functions are properly used according to a selected transmission line, etc. | 04-26-2012 |
20120114337 | CAPTURING DEVICE, CAPTURING METHOD, AND CAPTURING PROGRAM - There have been problems that a capturing device requires an optical source having a large power output, and a scanning operation and a capturing operation must be alternately performed by the respective devices. | 05-10-2012 |
20120128368 | DIFFERENTIAL CODE OPTICAL TRANSMISSION AND RECEPTION DEVICE - A differential code optical transmission and reception device including: a digital signal processing optical transceiver that converts information data into an optical signal and transmits it to a communication channel, a reception front end part that receives the optical signal from the communication channel, an O/E conversion part that converts the optical signal received from the communication channel into an electrical signal, a skew correction part that regulates or correct a skew between lanes contained in the electrical signal, a differential decoder that decodes a differential code of the skew corrected electrical signal, and a lane exchange/rotation part that rearranges the electrical signal having passed through the differential decoder into a lane state thereof at the time of transmission in cases where lane exchange has occurred in the communication channel. | 05-24-2012 |
20120134680 | INTER-TRANSCEIVER MODULE COMMUNICATION FOR FIRMWARE UPGRADE - An operational optical transceiver configured to update operational firmware using an optical link of the transceiver. The optical transceiver includes at least one processor and a system memory capable of receiving firmware. The optical transceiver receives an optical signal over the optical link containing the update firmware. The optical transceiver then recovers the firmware from the optical signal. Finally, the optical transceiver provides to the system memory the recovered firmware, which when executed by the at least one processor alters the operation of the transceiver. | 05-31-2012 |
20120141134 | TRANSPONDER FOR AN OPTICAL COMMUNICATIONS SYSTEM AND OPTICAL COMMUNICATIONS SYSTEM - A transponder is adapted to communicate with a further transponder over at least one optical channel. The transponder comprises a first receiver having a monitor and a first transmitter. The first receiver is configured to receive a first signal transmitted by a second transmitter of the further transponder over the optical channel. The monitor is configured to provide at least one channel parameter describing the optical channel in dependence on the received first signal. The first transmitter is configured to transmit the at least one channel parameter to the further transponder for adjusting a pre-equalizer of the further transponder. | 06-07-2012 |
20120148254 | OPTICAL TRANSCEIVER - To provide an optical transceiver with which a plurality of optical transmitters and receivers constituting the optical transceiver can be detached individually and exchanged/repaired easily, so that waste of components can be avoided. The optical transceiver includes: an optical transceiver main body; a plurality of pairs of optical transmitters and optical receivers housed inside the optical transceiver main body by being disposed in parallel; optical transmitter substrates and optical receiver substrates, which individually hold each of the optical transmitters and the optical receivers; an optical transceiver substrate which holds each of the optical transmitter substrates and the optical receiver substrates; and connectors which connect each of the optical transmitter substrates as well as the optical receiver substrates to the optical transceiver substrate detachably. | 06-14-2012 |
20120170940 | OPTICAL FIBER HUB INCLUDING OPTICAL BOOSTER AMPLIFIER - An optical fiber hub includes an upstream interface for inputting a laser beam, an optical booster amplifier, a splitting element, and N downstream interfaces. The optical booster amplifier is optically communicated with the upstream interface, and configured for amplifying the laser beam. The splitting element is optically communicated with the optical booster amplifier, and configured for splitting the amplified laser beam into N laser beams. The N downstream interfaces are optically communicated with the splitting element. Each of the N downstream interfaces is configured for outputting one of the N laser beams, wherein N is an integer which is equal to or greater than 2. | 07-05-2012 |
20120170941 | OPTICAL TRANSCEIVER IC - A power management arrangement for low power optical transceiver such as those that may be integrated into a personal computer or server may periodically put itself into a power conservation or sleep mode which assures the transceiver is available upon wake-up. | 07-05-2012 |
20120177377 | CABLE CLAMP-ON DEVICE INCLUDING A USER INTERFACE - In an illustrative embodiment, a cable clamp ( | 07-12-2012 |
20120177378 | Novel Low-Cost Transceiver Approach - A transceiver comprising a CMOS chip and a plurality of semiconductor lasers coupled with the CMOS chip may be operable to communicate optical source signals from the plurality of semiconductor lasers into the CMOS chip. The source signals may be used to generate first optical signals that may be transmitted from the CMOS chip to optical fibers. Second optical signals may be received from the optical fibers and converted to electrical signals for use by the CMOS chip. The optical source signals may be communicated from the semiconductor lasers into the CMOS chip via optical fibers in to a top surface and the first optical signals may be communicated out of a top surface of the CMOS chip. The first optical signals may be communicated from the CMOS chip via optical couplers, which may comprise grating couplers. | 07-12-2012 |
20120177379 | OPTICAL TRANSCEIVER PROVIDING INDEPENDENT SPACES FOR ELECTRICAL COMPONENTS AND FOR OPTICAL COMPONENTS - An optical transceiver that reduces the EMI noise leaked therefrom is disclosed. The optical transceiver provides a metal housing, an optical subassembly, and an electronic circuit. The metal housing includes a first space to install the electronic circuit, and a second space to install the optical subassembly. At least the first space has inner surfaces having a corrugated shape to reduce the resonance of the electromagnetic waves. | 07-12-2012 |
20120183301 | BUILDING ILLUMINATION APPARATUS WITH INTEGRATED COMMUNICATIONS, SECURITY AND ENERGY MANAGEMENT - An LED light and communication system includes one or more optical transceivers that have a light support having a plurality of light emitting diodes and one or more photodetectors attached thereto, and a processor in communication with the light emitting diodes and the one or more photodetectors. The processor is constructed and arranged to generate a communication signal. The one or more optical transceivers are engaged to a lighting fixture within a building. The one or more optical transceivers are constructed and arranged to communicate with a name tag. | 07-19-2012 |
20120189314 | MULTI-LASER TRANSMITTER OPTICAL SUBASSEMBLY - Multi-laser transmitter optical subassembly (TOSA). In one example embodiment, a method of fabricating a multi-laser TOSA includes various acts. First, first and second optical signals are transmitted from first and second lasers, respectively. Next, the angle of a first collimating lens is actively adjusted to cause the second optical signal to be aligned with the first optical signal as the first optical signal passes through a first filter and as the second optical signal is reflected by the first filter such that the first and second optical signals are aligned and combined. | 07-26-2012 |
20120189315 | OPTICAL TRANSMISSION SYSTEM AND APPARATUS - There is provided an optical transmission system including a first optical transmission apparatus configured to have a first transmission mode in which a first signal is transmitted at a first optical level, and a second transmission mode in which a second signal is transmitted at a second optical level after an operation in the first transmission mode, the first optical level being lower than the second optical level, and a second optical transmission apparatus configured to have a third transmission mode in which a response signal to the first signal is transmitted at the first optical level to the first optical transmission apparatus, and a fourth transmission mode in which a response signal to the second signal is transmitted at the second optical level to the first optical transmission apparatus after an operation in the third transmission mode. | 07-26-2012 |
20120189316 | LED LIGHT INTERIOR ROOM AND BUILDING COMMUNICATION SYSTEM - An LED light and communication system in communication with a broadband over power line communications system. The LED light and communication system includes at least one optical transceiver. The optical transceiver includes a light support having a plurality of light emitting diodes and at least one photodetector attached thereto, and a processor. The processor is in communication with the light emitting diodes and the at least one photodetector. The processor is constructed and arranged to generate a communication signal. The at least one optical transceiver is engaged to a clock, and the clock is in communication with the broadband over power line communications system. | 07-26-2012 |
20120213526 | OPTICAL TRANSCEIVER IMPLEMENTED WITH I2C BUSSES ARBITRATED BY SELECTOR - An optical transceiver with a bus selector for selecting one of I2C inner busses is disclosed. One of inner I2C buses connects the controller with a nonvolatile memory, while another I2C bus connects the controller with a volatile memory with a priority to the non-volatile memory. When the volatile memory is selected during the controller communicates with the non-volatile memory, the controller sets a command to the bus selector to select the second I2C bus and hold the first I2C bus. | 08-23-2012 |
20120219300 | SINGLE-WAVELENGTH BIDIRECTIONAL FIBER OPTICAL LINK WITH BEAM-SPLITTING ELEMENT - An optical transceiver and method for bidirectionally communicating optical signals in an optical transceiver involve an optical element that bidirectionally separates incoming and outgoing optical signals of the same wavelength. The optical element can be a diffractive element such as a grating or, alternatively, a partially reflective element such as a transparent block having a thin-film coating. | 08-30-2012 |
20120243875 | Dynamic Memory Allocation in an Optical Transceiver - Methods, algorithms, architectures, circuits, and/or systems for dynamically allocating memory for storing parametric data in optical transceivers are disclosed. The optical transceiver can include an optical receiver configured to receive optical data; an optical transmitter configured to transmit optical data; a microprocessor configured to access data for each of a plurality of parameters that are related to operation of at least one of the optical receiver and the optical transmitter; one or more memories configured to store the data at a plurality of locations that are dynamically allocated by the microprocessor; and an interface configured to receive a request for data for one or more of the parameters from a host and provide the data in response to the request. In the present disclosure, the host is unaware of the locations at which the parametric data are stored. | 09-27-2012 |
20120243876 | USE OF SEMICONDUCTOR OPTICAL AMPLIFIERS-BASED INTENSITY MODULATOR IN SIGNAL TRANSMISSION - The present invention discloses the use of a semiconductor optical amplifier in a transceiver in order to increase the number of end users without reducing the bandwidth allocated to each user. | 09-27-2012 |
20120251124 | TRANSCEIVER FOR DIFFERENT VENDOR DEVICES - A transceiver having an interface configured to communicate with a plurality of different vendor devices, non-volatile memory having a first memory block and a second memory block of memory, wherein the second memory block comprises a plurality of vendor device data corresponding to a plurality of different vendor devices which enable the transceiver to communicate with the vendor devices over the interface, and a controller configured to selectively copy one of the plurality of vendor device data from the second memory block to the first memory block, wherein copying enables the transceiver to communicate over the interface with a particular vendor device corresponding to the selected vendor device data. | 10-04-2012 |
20120251125 | PASSBAND REFLECTOMETER - A time-domain (TD) reflectometer that is designed to operate based on probe and response signals that are substantially fully spectrally confined to a designated frequency passband. In one embodiment, the TD reflectometer uses a passband transmitter to generate the probe signal based on a pseudo-random bit sequence and a passband receiver to demodulate the response signal. The TD reflectometer determines the impulse response of a channel under test based on cross-correlation of the transmitter and receiver baseband signals. In various embodiments, the TD reflectometer can be designed to operate in an acoustic-frequency range, a radio-frequency range, or an optical-frequency range. Due to its passband configuration, the TD reflectometer is advantageously capable of determining impulse responses without disrupting the operation and/or interfering with normal functions of the tested channel. | 10-04-2012 |
20120294623 | OPTICAL TRANSCEIVER MODULE FOR CONTROLLING POWER IN LANE - Disclosed is an optical transceiver module for controlling power in each lane. The optical transceiver module includes: a plurality of transmitting units formed in each lane in order to transmit signals to receive electric signals in each lane, convert the received electric signals into optical signals, and transmit the converted optical signals, respectively; a first switching means turning on/off power supplied to each of the plurality of transmitting units in each lane; a plurality of receiving units formed in each lane to receive optical signals in each lane, convert the received optical signals into electric signals, and output the converted electric signals, respectively; a second switching means turning on/off power supplied to each of the plurality of receiving units in each lane; and a control means controlling switching operations of the first switching means and the second switching means. | 11-22-2012 |
20120301151 | Low Power Consumption, Long Range, Pluggable Transceiver, Circuits and Devices Therefor, and Method(s) of Using the Same - The present disclosure relates to an optical transceiver for use in optical fiber communications and/or telecommunications systems and, more specifically, a low power consumption, long range pluggable transceiver. The transceiver generally comprises a photodiode with a transimpedance amplifier (PIN-TIA); an electro-absorption modulated laser (EML); an optical detector; and a directly modulated laser (DML) driving module connected between the PIN-TIA and EML laser configured to drive the EML laser. A low power-consumption DML driving module is utilized to drive the EML laser, so as to further reduce power consumption. An impedance matching circuit can be applied to modulate an electro-absorption (EA) modulator of the EML laser with maximum efficiency. | 11-29-2012 |
20120301152 | OPTICAL TRANSCEIVER IMPLEMENTED WITH TUNABLE LD - An optical transceiver implemented with a tunable LD is disclosed. The tunable LD is installed within a TOSA (Transmitter Optical Subassembly). The optical transceiver provides two circuit boards arranged in the up-and-down relation. The TOSA is primarily connected to the second board but signals to drive the tunable LD are carried on an FPC board directly connected to the first board that mounts a driver circuit for the tunable LD. | 11-29-2012 |
20120301153 | OPTICAL OUTPUT MODULE, OPTICAL TRANSCEIVER, AND OPTICAL TRANSMISSION SYSTEM - The I phase modulator modulates a phase based on the bias voltage in which a first modulation signal and a first pilot signal are inherent and the Q phase modulator modulates a phase based on the bias voltage in which a second pilot signal different from the first pilot signal and a second modulation signal are inherent. A time-average power synchronous detection unit detects an optical power at a timing at which the positivity and negativity of the voltages of both pilot signals become the same, and an optical power when the positivity and negativity of the voltages of both pilot signals are opposite. The bias voltage control unit controls the bias voltage so that the difference between both the optical powers becomes small based on the detection result of the time-average power synchronous detection unit. | 11-29-2012 |
20120301154 | SEMICONDUCTOR-BASED OPTICAL TRANSCEIVER - A semiconductor-based optical transceiver. The optical transceiver includes a post-amplifier that may communicate with an optoelectronic transducer, an electro-optic transducer driver that may communicate with an electro-optic transducer, and a control module that controls the operation of the post-amplifier and electro-optic transducer driver. The control module, the post-amplifier, and the electro-optic transducer driver are integrated in a single integrated circuit (IC) that does not require a printed circuit board for interconnecting these components of the optical transceiver. | 11-29-2012 |
20120315051 | OPTICAL TRANSCEIVER HAVING ENHANCED EMI TOLERANCE - An optical transceiver that reduces the EMI radiation leaked therefrom is disclosed. The optical transceiver includes a top cover and the bottom base to form a cavity into which a TOSA, a ROSA, and a circuit are set. The top cover provides a combed structure in a rear portion thereof, where the combed structure has a plurality of fins with a distance preferably less that quarter wavelength λ/4 of the noise wavelength to be reduced. The combed structure operates as a short stub for the electromagnetic wave traveling longitudinally in the cavity. | 12-13-2012 |
20120328303 | OPTICAL COMMUNICATIONS DEVICE HAVING ELECTRICAL BOND PADS THAT ARE PROTECTED BY A PROTECTIVE COATING, AND A METHOD FOR APPLYING THE PROTECTIVE COATING - A protective coating encapsulates bond pads disposed on a substrate of an optical communications module and extends in between the bond pads. The protective coating has characteristics that ( | 12-27-2012 |
20130022361 | NETWORK ELEMENT - A network element has at least one input, to which an optical signal can be fed, and at least one output, which is equipped to emit an optical signal; a first coupler having an input linked to the network element input and a first and a second output; an optical receiver having at least one input coupled to the second output of the first coupler and at least one output; an optical sender having at least one input of which is linked to the output of the optical receiver; a signal processing device being arranged in the signal path; a second coupler having a first input linked to the first output of the first coupler, a second input linked to the output of the optical sender, and an output which is linked to the first output of the network element. | 01-24-2013 |
20130051808 | Method And System For Bandwidth Enhancement Using Hybrid Inductors - A method and system for bandwidth enhancement using hybrid inductors are disclosed and may include a complementary metal oxide semiconductor (CMOS) transceiver providing an electrical impedance that increases with frequency via hybrid inductors comprising a transistor, a capacitor, an inductor, and a resistor. A first terminal of the hybrid inductors may comprise a first terminal of the transistor. A second terminal of the transistor may be coupled to a first terminal of the resistor and a first terminal of the capacitor. A second terminal of the resistor may comprise a second terminal of the hybrid inductors. A third terminal of the transistor may be coupled to a first terminal of an inductor, and a second terminal of the inductor may be coupled to a second terminal of the capacitor. The hybrid inductors may be configured by varying transconductance, resistance, and/or capacitance and may be utilized as an amplifier load. | 02-28-2013 |
20130071125 | Communicating Between an Optical Receiver and an Optical Transmitter Using a Serial Bus - An optical receiver, within a first device, may receive first configuration information from an optical transmitter, also within the first device. While receiving the first configuration information, the optical receiver may operate according to a clock. Later, the optical receiver may receive optical data from a second device according to the first configuration. While receiving the optical data from the second device, the optical receiver does not operate according to the clock, wherein the optical receiver not operating according to the clock allows the optical receiver to receive the optical data with greater sensitivity. | 03-21-2013 |
20130071126 | BIDIRECTIONAL OPTICAL TRANSMITTING AND RECEIVING DEVICE - Disclosed is a bidirectional light transmitting and receiving device which includes a first conductive plate; a second conductive plate; at least one first lead pin which penetrates the first conductive plate and includes a first conductor and a first dielectric surrounding the first conductor; at least one second lead pin which penetrates the second conductive plate and includes a second conductor and a second dielectric surrounding the second conductor; a light receiving unit which is connected with the at least one first lead pin; and a light transmitting unit which is connected with the at least one second lead pin, wherein the first conductive plate is electrically isolated from the second conductive plate. | 03-21-2013 |
20130101297 | REFLECTIVE SEMICONDUCTOR OPTICAL AMPLIFIER FOR OPTICAL NETWORKS - The present document relates to passive optical networks (PON). More particularly but not exclusively, it relates to the use of a reflective semiconductor optical amplifier (RSOA) for amplifying signals in a Gigabit PON (GPON) or WDM-PON. An apparatus configured to amplify light at different wavelengths in an optical network is described. The apparatus comprises a first active material configured to amplify light at a first wavelength and a second active material configured to amplify light at a second wavelength. Furthermore, the apparatus comprises a first reflector which separates the first and second active materials and which is configured to reflect light at the first wavelength and which is configured to be substantially transparent to light at the second wavelength. In addition, the apparatus comprises a second reflector adjacent the second active material opposite to the first reflector which is configured to reflect light at the second wavelength. | 04-25-2013 |
20130101298 | OUT OF BAND DATA TRANSFER OVER OPTICAL CONNECTIONS - Provided herein are various schemes for transmitting out of band (OOB) signals over optical connections that may not support the transmission of such signals. One scheme may involve converting the OOB signals to different types of signals that are supported by the optical connection, while another scheme may utilize a separate parallel connection that supports the transmission of out of band signals in order to extend the optical connection. Yet another scheme modulates the reference clock of the original (in-band) signal to transmit and receive the OOB information. | 04-25-2013 |
20130129359 | TRANSPORTING DATA AND AUXILIARY SIGNALS OVER AN OPTICAL LINK - A data transport system for transporting data and auxiliary signals over an optical link comprises a transmitter, a receiver and an optical link. The transmitter and receiver are coupled to a first end of the optical link. The optical link includes a number of optical channels. A controller is coupled to the transmitter and the receiver, and controls the transmitter and the receiver to operate in a first state when data are detected at an input of the transmitter. Data are transported via the data transport system in the first state. The controller controls the transmitter and the receiver to operate in a second state when the data are detected as absent at the input of the transmitter. Data are prevented from being transported via the data transport system in the second state. | 05-23-2013 |
20130136458 | OPTICAL TRANSCEIVER HAVING ENHANCED EMI TOLERANCE - An optical transceiver that attenuates the EMI radiation leaked therefrom is disclosed. The optical transceiver includes a top cover and the bottom base to form a cavity into which a TOSA, a ROSA, and a circuit are set. At least one of the top cover and the bottom base provides a combed structure in a rear portion of the optical transceiver, where the combed structure has a plurality of T-shaped fins to attenuate the EMI radiation. | 05-30-2013 |
20130148977 | OPTICAL TRANSCEIVER HAVING AN EXTRA AREA IN CIRCUIT BOARD FOR MOUNTING ELECTRONIC CIRCUITS - An optical transceiver of one embodiment includes a transmitter optical subassembly to transmit an optical signal, a receiver optical subassembly to receive an optical signal, a mother board, a daughter board, and a housing. The mother board mounts electronic circuits that electrically communicate with the optical transmitter optical subassembly and the receiver optical subassembly. The daughter board mounts other electronic circuits that electrically communicate with the optical transmitter optical subassembly and the receiver optical subassembly. The daughter board has an extra area mounting a portion of the other electronic circuits. The housing defines a space for installing the optical transmitter optical subassembly, the receiver optical subassembly, the mother board, and the daughter board. The extra area is disposed outside the space. | 06-13-2013 |
20130156441 | OPTICAL TRANSCEIVER AND PRODUCTION METHOD THEREOF - An optical transceiver includes a single-fiber bidirectional optical transmission/reception device, a circuit board, a transmission-side FPC, a reception-side FPC and a separation wall. The optical transceiver includes a single-fiber bidirectional optical transmission/reception device includes an LD stem that converts an electric signal into an optical signal and transmits it, and a PD stem that receives the optical signal and converts it into an electric signal. The transmission-side FPC electrically connects the LD stem and the circuit board. The reception-side FPC electrically connects the PD stem and the circuit board. The separation wall is formed between the transmission-side FPC and the reception-side FPC, and grounded to the chassis of the optical transceiver. The reception-side FPC is folded and set between the chassis and the separation wall such that the board front surface is an inner side, where the micro-strip line is formed on the above board front surface. | 06-20-2013 |
20130156442 | PARALLEL OPTICAL TRANSCEIVER MODULE THAT UTILIZES A FOLDED FLEX CIRCUIT THAT REDUCES THE MODULE FOOTPRINT AND IMPROVES HEAT DISSIPATION - A parallel optical transceiver module is provided that uses a folded flex circuit arrangement that reduces the footprint of the transceiver module while also providing the module with improved heat dissipation characteristics. In addition, the manner in which components are mounted on the flex circuit facilitates assembly of the module, reducing the overall cost of the module while improving manufacturing yield. | 06-20-2013 |
20130188963 | APPLYING CONTROLLED IMPEDANCE TO IMPROVE OPTICAL TRANSCEIVER BANDWIDTH - An optical transceiver includes an optical receiver IC coupled to a processor IC. The processor IC includes an integrated optical receiver front end circuit, and includes an integrated inductor to control the LC frequency response of a signal from the optical receiver IC to the output of the front end circuit. The inductor is coupled in series between interface components of the processor IC and an input of the front end circuit. The inductor is configured to adjust an effective input reactance of the front end circuit, which operates to control the LC frequency response of a signal from the optical receiver IC to an output of the front end circuit. | 07-25-2013 |
20130216236 | MANAGED OPTICAL COMPUTER NETWORK DEVICE - A managed optical communication network device selectively passes or blocks an optical signal from an input port to an output port, based on state of the device. The device state may be managed remotely by sending management commands, according to a communication protocol, to the device. The device may be remotely controlled to selectively cut off all optical communications between two nodes, such as between two computers, between a local area network and a router, or between a router and a wide area network. | 08-22-2013 |
20130223847 | Method for Enabling AC Coupling of High-Speed Burst Data Signals Transmitted in Optical Networks - A method for enabling alternating current (AC) coupling of high-speed burst data signals transmitted by an optical network unit (ONU). The method comprises generating a first data pattern to be sent to an optical transceiver through an AC coupling circuit, wherein the first data pattern is a direct current (DC) balanced pattern; generating a second data pattern to be sent to the optical transceiver through the AC coupling circuit, wherein the second data pattern is output prior to transmission of a high-speed burst data signal; and generating a third data pattern to be sent to the optical transceiver through the AC coupling circuit, wherein the third data pattern is output posterior to the transmission of the high-speed burst data signal. | 08-29-2013 |
20130223848 | OPTICAL TRANSCEIVER, OPTICAL NETWORK UNIT, AND OPTICAL TRANSCEIVER CONTROL METHOD - There are provided an optical transceiver, an optical network unit, and an optical transceiver control method that control the operating state of the optical transceiver and reduce the number of terminals of the optical transceiver. An optical transceiver includes: a transmitting and receiving unit that transmits and receives optical signals and that has three or more states for transmission or reception of the optical signals, the states transitioning in sequence; a terminal for receiving a voltage or current as operation instruction information indicating in which one of the states operation is to be performed; and a determining unit for determining one of the states indicated by the operation instruction information, based on a magnitude of the voltage or current received by the terminal. The transmitting and receiving unit operates in the one of the states determined by the determining unit. | 08-29-2013 |
20130236190 | OPTICAL TRANSCEIVER HAVING IMPROVED FUNCTIONS TO LOAD CONTROL PROGRAM - Methods to load control programs into an optical transceiver whose specifications follow the standards are disclosed. The standard transceiver, such as SFP transceiver and/or XFP transceiver, provides control terminals in addition to the serial interface to communicate with the host device. The control terminals are inactive when the transceiver is output of the host device. The loader to load the program utilizes those control terminals and the optical transceiver of the invention provides mechanisms to use those control terminals for downloading the program. | 09-12-2013 |
20130236191 | OPTICAL TRANSMITTER, OPTICAL RECEIVER, AND OPTICALLY COUPLED INSULATING DEVICE - According to one embodiment, an optically coupled insulating device includes an optical transmitter and an optical receiver. The optical transmitter includes an analog-to-digital converter, an encoder, a transmitting controller, and an electrooptical transducer. The encoder is configured to generate a transmitting signal by superimposing an output of the analog-to-digital converter onto a signal based on a clock signal. The transmitting signal is encoded to have an average duty ratio of more than zero and less than one. The transmitting controller is configured to output one of the transmitting signal and the output of the analog-to-digital converter depending on an input level of the analog signal. The electrooptical transducer is configured to convert an output of the transmitting controller into an optical signal. The optical receiver includes an optoelectrical transducer, a decoder, and a receiving controller. | 09-12-2013 |
20130236192 | PORTABLE ELECTRONIC DEVICE, EXTERNAL BASIC DEVICE, METHOD FOR COUPLING THE PORTABLE ELECTRONIC DEVICE TO AN EXTERNAL BASIC DEVICE AND USING THE EXTERNAL BASIC DEVICE FOR COUPLING THE PORTABLE ELECTRONIC DEVICE - A portable electronic device includes a functional processor for providing an electronic functionality, an optical data transmitter for conductor-less, optical data communication with an external basic device and an energy supplier for an energy absorption by means of an inductive coupling from a magnetic field emitted by the external basic device and for supplying the functional processor and the data transmitter with energy based on the energy absorbed from the external magnetic field. | 09-12-2013 |
20130243438 | Ultra High Density Pin-Compatible Four-Channel Enhanced Small Form-Factor Pluggable Module - An enhanced small form-factor pluggable (SFP+) transceiver module and an SFP+ host port are provided. The enhanced SFP+ transceiver module receives a reception data signal at a data rate of 40 gigabits per second (40 G). The reception data signal is sent to a transceiver bidirectional transmission unit. The transceiver bidirectional transmission unit comprises a first SFP+ connector unit configured to interface with a second SFP+ connector unit of an SFP+ host port. The reception data signal is sent from the transceiver bidirectional transmission unit to the second SFP+ connector unit of the SFP+ host port via the first SFP+ connector unit. | 09-19-2013 |
20130243439 | OPTICAL TRANSCEIVER, METHOD FOR CONTROLLING THE OPTICAL TRANSCEIVER AND NON-TRANSITORY COMPUTER READABLE MEDIUM EMBODYING INSTRUCTIONS FOR CONTROLLING A DEVICE - An optical transceiver includes a transmitter that transmits an optical signal, and a receiver that receives a reference signal. The receiver receives the optical signal transmitted by its own transmitter. A controller performs an adjustment of the optical signal, transmitted by the transmitter, based on the reference signal. | 09-19-2013 |
20130251377 | OPTICAL TRANSCEIVER SYSTEM - An optical transceiver system includes a transmitter emitting a first light beam having a first wavelength, a receiver receiving a second light beam having a second wavelength; an optical fiber transmitting the first light beam and the second light beam; and a light guide member. The light guide member includes a lens block having a bottom surface facing toward both the transmitter and the receiver, a first side surface slanted relative to the bottom surface, and a second side surface facing toward the optical fiber, a first lens and a second lens formed on the bottom surface for optically coupled with the respective transmitter and receiver, a third lens formed on the second side surface for optically coupled with the optical fiber, and a light guide portion embedded in the lens block. | 09-26-2013 |
20130259487 | DIGITAL OPTICAL COHERENT TRANSMISSION DEVICE - An optical signal is converted into an electric signal by an O/E converter on the reception side, and converted into a digital signal by an analog/digital conversion unit. In a capture unit A at the input stage of the digital signal processing unit at the next stage, the constellation of a signal output from an analog/digital conversion unit is acquired for each polarization. According to the constellation information, the amplitude value of the electric signal input to the analog/digital conversion unit is corrected so that the value is optimum. Also, the capture unit B acquires the constellation on the signal after the demodulation by the digital signal processing. According to the constellation information, the amplitude of the I and Q signals and the skew between the I and Q signals are corrected. | 10-03-2013 |
20130266328 | QUANTUM ENTANGLEMENT COMMUNICATIONS SYSTEM - Apparatus for transmitting and receiving information using one or more quantum-entangled particles. The apparatus may include a first substrate including a first row of quantum dots and a second substrate including a second row of quantum dots. The apparatus may also include a beam splitter configured to inject a first particle into a first quantum dot and to inject a second particle into a second quantum dot. A physical property of the first particle may be in a quantum-entangled state with a physical property of the second particle. The apparatus may further include a first wave source configured to move the first particle along the first row of quantum dot, and a second wave source configured to move the second particle along the second row of quantum dots. | 10-10-2013 |
20130279918 | POWER SAVING CONTROL METHOD AND NODE DEVICE IN OPTICAL COMMUNICATION NETWORK - A node device and a power saving method in an optical communication network system that can achieve both of a reduction in startup period and a reduction in power consumption. A node device ( | 10-24-2013 |
20130287404 | CONNECTOR ASSEMBLY, A SYSTEM AND METHOD FOR INTERCONNECTING ONE OR MORE PARALLEL OPTICAL TRANSCEIVER MODULES WITH A SYSTEM CIRCUIT BOARD - A connector assembly is provided that mates on one side with an optical transceiver module holder and that electrically connects on the opposite side with an external system circuit board. When the connector assembly is mated with an optical transceiver module holder, a base of a parallel optical transceiver module held in the holder mates with a socket of the connector assembly such that respective arrays of electrical contacts disposed on the base and in the socket come into contact with one another. At least one gearbox IC for performing data rate conversion is mounted on the assembly circuit board. A lower surface of the assembly circuit board has an array of electrical contacts on it that are in contact with an array of electrical contacts disposed on the surface of the external system circuit board on which the connector assembly is mounted. | 10-31-2013 |
20130294778 | Optical Connector and Stack Module Including the Same - An optical connector for directly transferring data is disclosed. The optical connector includes a first input device connected to a first data source and to which a first input signal is applied, a first light emitting device connected to the first input device and generating a first optical signal corresponding to the first input signal, a first light receiving device positioned close to the first light emitting device in such a configuration that the first optical signal directly reaches the first light receiving device from the first light emitting device, the first light receiving device generating a first output signal corresponding to the first optical signal, and a first output device connected to the first light receiving device and to a second data source to which the first output signal is transferred. Large-sized data may be transferred at high speed and high reliability without light transfer units. | 11-07-2013 |
20130322885 | DOWN-SAMPLING CLOCK AND DATA RECOVERY CIRCUIT HAVING SELECTABLE RATE AND PHASE OUTPUT AND METHOD OF OPERATION THEREOF - A clock and data recovery (CDR) circuit, a method of recovering a clock and data from a received raw data stream and a BI-PON optical network transceiver (ONT) receiver front-end incorporating the CDR circuit. In one embodiment, the CDR circuit includes: (1) a line rate CDR circuit having a voltage controlled oscillator, the line rate CDR circuit configured to recover a raw data stream at a receiving line rate, (2) a fixed-rate down-sampler coupled to the line rate CDR circuit and configured to down-sample the raw data stream based on a fixed-rate and (3) a variable-rate down-sampler coupled to the fixed-rate down-sampler and configured further to down-sample the raw data sample based on a variable-rate. | 12-05-2013 |
20130322886 | OPTICAL TRANSMISSION CIRCUIT AND OPTICAL TRANSMISSION/RECEPTION CIRCUIT MODULE - An optical transmission circuit comprises a light emitting element and a differential amplifier circuit to which differential input signals are input to modulate an optical output of the light emitting element. The differential amplifier circuit includes a first current source, a first transistor, a second transistor, a third transistor, and a fourth transistor. The first current source is connected to a first potential source and the sources of the third and the fourth transistor are connected to a second potential source. The differential amplifier circuit includes a second current source having one end that is connected to a third potential and another end that is connected to a drain of the second transistor, and a fifth transistor having a gate that is connected to the gate of the fourth transistor, a source that is connected to the second potential, and a drain that is connected to the light emitting element. | 12-05-2013 |
20130330089 | BACKGROUND NOISE-IMMUNE LED-BASED COMMUNICATION DEVICE - A background noise-immune LED-based communication device comprises at least one LED signal transmitter emitting a Manchester code signal generated by a Manchester coding technology; and at least one optical receiver receiving the Manchester code signal from the LED signal transmitter. The present invention applies the Manchester coding technology to visible-light communication devices, enabling the LED-based communication device to transmit the Manchester code signal, whereby is decreased noise and promoted signal quality. | 12-12-2013 |
20130343763 | DEVICE FOR USE ON THE LOCATION OF A CUSTOMER OF A BROADBAND NETWORK SYSTEM, BROADBAND NETWORK SYSTEM USING SUCH A DEVICE AND METHOD FOR CONSTRUCTING SUCH A DEVICE - The invention is particularly related to an optoelectronic device ( | 12-26-2013 |
20130343764 | PHYSICAL LAYER MANAGEMENT FOR AN ACTIVE OPTICAL MODULE - Embodiments described herein are directed to a cable assembly including at least a first optical fiber extending from a first end to a second end and an active optical module (AOM) attached to the first end of the first optical fiber and including a first storage device that is electrically connected to the electrical connector. The cable assembly also includes a passive optical connector terminating the second end of the first optical fiber and including a second storage device. The first storage device includes an AOM identifier stored therein identifying the active optical module and the second storage device includes first information stored therein indicating that the first end of the first optical fiber is associated with the AOM identifier. | 12-26-2013 |
20140010551 | OPTICAL TRANSCEIVER WITH OPTICAL RECEIVER ELECTRICALLY ISOLATED FROM HOUSING AND OPTICAL TRANSMITTER WITH ENHANCED HEAT DISSIPATION TO HOUSING - An optical transceiver that copes with both the enhanced heat dissipation from heat generating components and the electrical isolation of components processing faint signals from other components generating EMI noises is disclosed. The optical transceiver provides, in addition to a bottom of a frame, a bottom cover made by material with higher thermal conductivity. The former components are directly mounted on the bottom cover through openings in the frame, while, other component to be electrically isolated from the chassis are mounted by putting an insulating support between them and the bottom cover. | 01-09-2014 |
20140044436 | OPTICAL TRANSMITTER AND OPTICAL TRANSCEIVER COMPRISING OPTICAL TRANSMITTER - An optical transmitter and an optical transceiver including the same are provided. The optical transmitter may include a semiconductor laser diode to output optical signals, a multilayer thin film filter to receive the optical signals and pass optical signals corresponding to a transmission wavelength band, and a concave lens to collect the optical signals passed through the multilayer thin film filter. | 02-13-2014 |
20140056591 | THERMALLY COMPENSATED PARALLEL OPTICAL COMMUNICATION MODULE - In a parallel optical communication module, an array of opto-electronic devices secured with respect to a mount and an array of optical elements of an optical device that is also secured with respect to the mount are unconstrained against relative movement due to thermal expansion of the mount and optical device. The mount and optical device can be made of materials having similar coefficients of thermal expansion. As thermal expansion in the mount causes the opto-electronic devices to move, similar thermal expansion in the optical device causes the optical elements to move to a similar extent. This co-movement of the opto-electronic devices and optical elements to similar extents promotes continued maintenance of optical alignment between opto-electronic elements and corresponding optical elements. | 02-27-2014 |
20140056592 | AIR-COOLED OPTICAL TRANSCEIVER MODULE SYSTEM - In an opto-electronic system having one or more optical transceiver modules and an enclosure, air is forced through the interior of the transceiver module to dissipate heat generated by the opto-electronic and electronic elements. | 02-27-2014 |
20140056593 | Linecards With Pluggable Interfaces For Pluggable Optical Amplifiers And Other Pluggable Devices - A linecard includes at least one pluggable device, a linecard processor, and a centralized host processor. The linecard also includes an interface that supports a pluggable device. A pluggable device is electrically coupled to the interface and is controlled by the centralized host processor. A flash memory stores data for the pluggable device. The pluggable device can include at least one of an optical amplifier and a ROADM pluggable device. | 02-27-2014 |
20140072311 | OPTOELECTRONIC COMPONENT - This invention relates to an optoelectronic component which has the following: an optical component which emits optical signals to an input/output end face of a light guide and/or receives optical signals and converts them into electronic signals, a component carrier located on the optical component, and a housing part which surrounds the optical component and which has coupling means which form optical coupling means and mechanical coupling means (alignment means), the optical coupling means routing the optical signals coming from the optical component to the input end face of the light guide and/or routing the optical beams emerging from the input/output end face of the light guide to the optical component, the mechanical alignment means aligning the light guide with respect to the optical component for efficient signal transmission. | 03-13-2014 |
20140079405 | OVERMOULDING METHOD AND OVERMOULDED ELECTRONIC DEVICE - An overmoulded electronic assembly wherein a moulded thermoplastic cover encapsulates and is in direct contact with the electronic components, printed circuit board and an antenna is disclosed. There also a disclosed a method of fabricating an overmoulded electronic assembly using an injection moulding machine and where the thermoplastic cover encapsulates and is in direct contact with the electronic components, printed circuit board and an antenna. | 03-20-2014 |
20140099123 | FLEXIBLE PRINTED CIRCUIT BOARD AND OPTICAL COMMUNICATION MODULE INCLUDING THE SAME - A flexible printed circuit board (FPCB) includes at least one signal pad part disposed at each of a top and bottom of a flexible substrate base and configured to include an upper signal pad and a lower signal pad and a through hole formed at a portion corresponding to a signal via, a signal line disposed at the top of the substrate base, and extending from the upper signal pad along a length direction of the substrate base, an upper ground pad disposed at the top of the substrate base to be separated from the upper signal pad and the signal line near the upper signal pad, and a lower ground pad disposed at the bottom of the substrate base to be separated from the lower signal pad near the lower signal pad, and connected to the upper ground pad through a ground via. | 04-10-2014 |
20140105610 | Power-Saving Driver Circuit for Providing a Bias Current or Driving a Current-Driven Load - Methods and circuits for providing a minimum driving voltage to a current-driven load (such as a laser diode) are disclosed. The circuit and methods may be useful for efficiently providing a bias and/or driving current to the current-driven load with minimal energy loss. The circuit generally comprises (1) a driver or voltage source configured to provide the bias and/or driving current to the current-driven load, (2) a sense circuit configured to (i) sense the bias and/or driving current and (ii) convert the bias and/or driving current to a first voltage, and (3) a comparator configured to (i) receive the first voltage and first and second reference voltages and (ii) provide a feedback/error signal to the driver or voltage source, the feedback/error signal configured to maintain or adjust the bias and/or driving current at or towards a target value. | 04-17-2014 |
20140105611 | MULTICORE CHIP WITH HOLOGRAPHIC OPTICAL INTERCONNECTS - The invention provides optical interconnects of data-processing cores of multicore chips by means of digital planar holographic microchips on a host chip. The device comprises “N” laser light sources that generate lights of “N” different wavelength and “N” data-processing cores that produce data. Each data-processing core contains optical signal receivers and modulators/transceivers that receive lights from the laser light sources and have a function of modulating the light obtained from the laser light sources with the data produced by the cores thus producing modulated light signals which are further processed by the holographic microchip and then decoded by the receivers. The device is efficient in that it replaces electrical interconnects between the cores with optical interconnects and can be matched to current semiconductor production technology. | 04-17-2014 |
20140112668 | STAMPED METAL OPTIC FOR USE IN AN OPTICAL COMMUNICATIONS MODULE - A stamped metal optic is provided that is a unitary, or integrally formed, part that includes at least a bench for holding at least one optoelectronic component and a reflector for folding an optical pathway. The stamped metal optic is formed of a piece of metal that is shaped using known metal stamping techniques. The stamped metal optic preferably has at least one fiducial mark formed therein that is used for placement of the optoelectronic device on the bench to ensure that the optoelectronic device is precisely aligned with the reflector. Because metal objects can be formed relatively inexpensively with high precision using known stamping techniques, the stamped metal optics can be manufactured with high precision at relatively low cost. | 04-24-2014 |
20140140706 | A Method and Algorithm for Stabilizing the Output State of an Optical Transceiver - The invention relates to a method and algorithm for stabilizing the output state of an optical transceiver. The method includes comparing a signal quality monitor (SQM) register value with a predetermined threshold. If the SQM register value is less than or equal to the predetermined threshold, a microcontroller unit (MCU) reads and determines the rx_lol state bit value of a clock and data recovery (CDR) chip. If the rx_lol state bit value reaches a low logic level value at least 3 times, the MCU converts the state bit values of rx_lol and mod_nr into low logic level values, or else, convert the state bit values of rx_lol and mod_nr into high logic level values. If the SQM register value is greater than the predetermined threshold then the state bit values of rx_lol and mod_nr will be left unchanged. When there is no data input to the CDR chip, the method of the present invention will maintain rx_lol and mod_nr at high or low logic level values to stabilize the output state of the optical transceiver. | 05-22-2014 |
20140147127 | METHODS AND SYSTEMS FOR DISSIPATING HEAT IN OPTICAL COMMUNICATIONS MODULES - A heat dissipation solution is provided that is suitable for use in, but not limited to use in, CXP modules. The heat dissipation solution allows the performance of a CXP module to be significantly improved without having to increase the size of the heat dissipation device that is currently used with known CXP modules. The heat dissipation solution thermally decouples the heat dissipation path associated with the laser diodes from the heat dissipation path associated with other heat-generating components of the module, such as the laser diode driver IC and the receiver IC. Decoupling these heat dissipation paths allows the temperature of the laser diodes to be kept cooler as they are operated at higher speeds while allowing the temperatures of the other components to run hotter, if desired or necessary. | 05-29-2014 |
20140147128 | STRUCTURE FOR CONNECTING ELECTRICAL TRACE LINES OF PRINTED CIRCUIT BOARDS AND OPTICAL TRANSCEIVER MODULE WITH THE SAME - Provided are structures for connecting trace lines of printed circuit boards and optical transceiver modules with the same. The module may include an optical transmitter/receiver part, a signal processing unit, a flexible PCB, and a rigid PCB. The flexible PCB may include a first signal line, and the rigid PCB may include a second signal line. The flexible PCB and the rigid PCB may be overlapped with each other. The first signal line and the second signal line may not be overlapped with each other and be electrically connected to each other by a junction soldering structure. It is possible to transmit high quality and high frequency signals through the first and second signal lines. | 05-29-2014 |
20140153931 | SILICON PHOTONICS MULTICARRIER OPTICAL TRANSCEIVER - Disclosed herein are techniques, methods, structures and apparatus that provide a silicon photonics multicarrier optical transceiver wherein both the transmitter and receiver are integrated on a single silicon chip and which generates a plurality of carriers through the effect of an on-chip modulator, amplifies the optical power of the carriers through the effect of an off-chip amplifier, and generates M orthogonal sets of carriers through the effect of an on-chip basis former. | 06-05-2014 |
20140169800 | OPTICAL INTERCONNECT ON BUMPLESS BUILD-UP LAYER PACKAGE - This disclosure relates generally to an electronic package that can include a die and a dielectric layer at least partially enveloping the die. Electrical interconnects can be electrically coupled to the die and passing, at least in part, through the dielectric layer. An optical emitter can be electrically coupled to the die with a first one of the electrical interconnects and configured to emit light from a first major surface of the electronic package. A solder bump can be electrically coupled to the die with a second one of the electrical interconnects and positioned on a second major surface of the electronic package different from the first major surface. | 06-19-2014 |
20140186053 | Non-Semaphore Linked List Management - Methods, systems, and computer program products are provided for inserting the packet into a tail of a linked list buffer, and the linked list buffer includes a plurality of Buffer Descriptors (BD), a HEAD pointer pointing to a null Buffer Descriptor (NullBD) and a NULLBD pointer. The NULLBD pointer is switched to point to the NullBD and the HEAD pointer to point to a valid BD which represents a memory address of payload data in the packet to be transmitted. Upon transmission of the packet, the HEAD pointer is converted to point to the NullBD and the NULLBD pointer to point to the valid BD. The valid BD pointed by the NULLBD pointer is finally transferred to a free linked list buffer so that the NULLBD pointer points to no memory address. | 07-03-2014 |
20140212147 | OPTICAL TRANSMITTER AND RECEIVER CIRCUIT ARRANGEMENT - A system includes an optical transmitter package comprising an optical transmitter to generate optical transmission signals based on electrical transmission signals. The system also includes an optical receiver package comprising an optical receiver to generate electrical reception signals based on optical reception signals. The system further includes a printed circuit board (PCB) on which the optical transmitter package and the optical receiver package are mounted. The PCB includes a heat generating circuit component. The optical transmitter package can be mounted to the PCB to subjected to less heat from the heat generating circuit component than the optical receiver package. | 07-31-2014 |
20140233961 | OPTICAL COMMUNICATION MODULE INCLUDING OPTICAL-ELECTRICAL SIGNAL CONVERTERS AND OPTICAL SIGNAL GENERATORS - An optical communication module includes a substrate, an optical signal receiving unit, an optical signal emitting unit and a coupler. The substrate includes a first surface and a second surface. The substrate defines through holes passing through the first and second surfaces. The optical signal receiving unit includes optical-electrical signal converters. The optical signal emitting unit includes optical signal generators. Each of the optical-electrical signal converters and the optical signal generators is mounted on the first surface and aligned with a corresponding one of the through holes. The coupler includes coupling lenses. The coupler is fixed to the second surface. Each of the optical-electrical signal converters and the optical signal generators is aligned with a corresponding coupling lens through the corresponding through hole. | 08-21-2014 |
20140255041 | OUT OF BAND DATA TRANSFER OVER OPTICAL CONNECTIONS - Provided herein are various devices for communicating out-of-band (OOB) signals. One device may comprise an in-band controller element, an out-of-band controller element and a modulation circuit operable to modulate a reference clock for the out-of-band signal, while another device may utilize a circuit operable to generate an out-of-band signal based on information carried by an Ethernet signal. Yet another device is operable to communicate according to an Ethernet communication protocol using an out-of-band signal. | 09-11-2014 |
20140286646 | TRANSCEIVER AND INTERFACE FOR IC PACKAGE - An interconnect system includes a first circuit board, first and second connectors connected to the first circuit board, and a transceiver including an optical engine and arranged to receive and transmit electrical and optical signals through a cable, to convert optical signals received from the cable into electrical signals, and to convert electrical signals received from the first connector into optical signals to be transmitted through the cable. The transceiver is arranged to mate with the first and second connectors so that at least some converted electrical signals are transmitted to the first connector and so that at least some electrical signals received from the cable are transmitted to the second connector. | 09-25-2014 |
20140301740 | DYNAMIC MEMORY ALLOCATION IN AN OPTICAL TRANSCEIVER - Methods, algorithms, architectures, circuits, and/or systems for dynamically allocating memory for storing parametric data in optical transceivers are disclosed. The optical transceiver can include an optical receiver configured to receive optical data; an optical transmitter configured to transmit optical data; a microprocessor configured to access data for each of a plurality of parameters that are related to operation of at least one of the optical receiver and the optical transmitter; one or more memories configured to store the data at a plurality of locations that are dynamically allocated by the microprocessor; and an interface configured to receive a request for data for one or more of the parameters from a host and provide the data in response to the request. In the present disclosure, the host is unaware of the locations at which the parametric data are stored. | 10-09-2014 |
20140308045 | Pulsed Light Communication Key - A Universal Serial Bus (USB) key may include an optical transceiver having a USB interface for engagement to an electronic device such as a laptop computer or other USB-configured device. The USB key may include a converter or buffering, isolation, modulation or amplification circuitry. The USB key sends and receives data signals which may be carried upon an optical transmission as generated by an LED light source which in turn is in communication with a host device such as a network processor. The USB key may also include operational amplifiers (op-amps) and transistor amplifiers. | 10-16-2014 |
20140334827 | Miniature Pluggable Video Module - A miniature pluggable video module having a length less than one inch, and a width less than three quarters of an inch, and a plurality of pin connectors attached to the back of the housing. The pluggable video module can be mounted horizontally or vertically. Inputs and outputs of the module can be adapted to include various types of optical or electrical connectors. The inputs and outputs of the module can be modified into various combinations of optical or electrical configurations, and the combinations of inputs and outputs also can be modified. | 11-13-2014 |
20140355997 | Micro Bi-Directional Optical Sub-Assembly - A BOSA package comprising only one cylindrical TO package comprising a ROSA and a TOSA, and an optical port in optical communication with the ROSA and the TOSA. Also disclosed is a TO package comprising a TOSA for transmitting a first optical signal, a ROSA for receiving a second optical signal, an optical communication window, and a TFF positioned such that the first optical signal transmitted from the TOSA is reflected by the TFF toward the optical communication window and the second optical signal received from the optical communication window passes through the TFF and to the ROSA. | 12-04-2014 |
20140363171 | QSFP to 4x10GBASE-T Converter Cable Assembly - A Quad Small Form-Factor Pluggable (QSFP) transceiver module is provided that is configured to interface with a QSFP host and to send and receive a plurality of data signals at a data rate of up to forty gigabits per second (40 G). A plurality of 10GBase-T ports with Registered Jack (RJ) 45 connectors is also provided, wherein each of the 10GBase-T ports is configured to interface with a 10GBase-T device to send and receive a plurality of data signals at a data rate of ten gigabits per second (10 G). Cables are configured to interface with the QSFP transceiver module and with corresponding ones of the 10GBase-T ports with the RJ45 connectors. Each of the plurality of cables operates as a data channel for data flow between the QSFP transceiver module and the corresponding ones of the 10GBase-T ports with the RJ45 connectors. | 12-11-2014 |
20140376923 | Insert-Molded Transceiver Body with Heat Sink and Method Therefor - An insert-molded fiber optic transmission component has at least one insert and a main body portion. The main body portion has at least one adjoining surface, a portion of the at least one adjoining surface lying in a first plane. The insert has an engaging face disposed against the outer edge surface and a reference surface adjacent the engaging face, where the reference surface lies in a second plane, and the adjoining surface is adjacent the engaging face of the at least one insert and the first and second planes being parallel to and offset from one another. | 12-25-2014 |
20150023671 | PLUG AND PLAY OPTICAL TRANSCEIVER MODULE FOR ELECTRONIC DEVICES - Disclosed are optical transceiver modules for use with electronic devices. In one embodiment, an optical transceiver module has a circuit board assembly for receiving and transmitting optical signals with a connector shell that is attached to the circuit board so that the circuit board is disposed outside the shell. The optical transceiver module also includes a faceplate that may have one or more attachment features for securing the faceplate and/or optical transceiver module to a device. By arranging the circuit board outside the shell of the optical transceiver module the footprint of the module is greatly reduced, thereby providing an advantageous arrangement for fitting into electronic devices having a relatively thin profile. Further, the optical transceiver module may optionally include one or more electrical contacts. | 01-22-2015 |
20150030336 | OPTICAL TRANSCEIVER - A compact optical transceiver is provided by using a serial communication bus as a communication bus connecting a logic device and a microcomputer. This optical transceiver is connected through an MDIO bus to an external upper layer and is provided with a microcomputer, a logic device, the MDIO bus, a serial communication bus, and a first dedicated signal line. The microcomputer has an MDIO register. The logic device receives a command code, address information, and a single data block from the upper layer through the MDIO bus, transmits the address information and the single data block to the microcomputer through the serial communication bus, and transmits the OP code to the microcomputer through the first dedicated signal line. | 01-29-2015 |
20150030337 | HIGH-SPEED OPTICAL TRANSCEIVER FOR INFINIBAND AND ETHERNET - The present invention provides a high-speed 100 G optical transceiver for InfiniBand and Ethernet with associated mapping to frame InfiniBand and Ethernet into GFP-T. The optical transceiver utilizes an architecture which relies on standards-compliant (i.e., multi-sourced) physical client interfaces. These client interfaces are back-ended with flexible, programmable Field Programmable Gate Array (FPGA) modules to accomplish either InfiniBand or Ethernet protocol control, processing, reframing, and the like. Next, signals are encoded with Forward Error Correction (FEC) and can include additional Optical Transport Unit (OTU) compliant framing structures. The resulting data is processed appropriately for the subsequent optical re-transmission, such as, for example, with differential encoding, Gray encoding, I/Q Quadrature encoding, and the like. The data is sent to an optical transmitter block and modulated onto an optical carrier. Also, the same process proceeds in reverse on the receive side. | 01-29-2015 |
20150037043 | Optical Transceiver Capable of Controlling Self-Heating According to Temperature - Disclosed is an optical transceiver capable of controlling self-heating according to temperature, more particularly, an optical transceiver which uses a PTC heater suitable for temperature characteristics to easily control self-heating. A PTC heater of which the self-resistance changes depending on the ambient temperature of uncooled laser diodes of an optical transceiver so as to adjust heating volume of the heater, is applied to a TO CAN, thus making it possible to significantly reduce power consumption while expanding an available temperature range of existing optical modules, even without a separate controller or using a minimum number of control circuits. | 02-05-2015 |
20150037044 | METHOD AND SYSTEM FOR AN OPTICAL COUPLER FOR SILICON PHOTONICS DEVICES - Methods and systems for an optical coupler for photonics devices are disclosed and may include a photonics transceiver comprising a silicon photonics die, an optical source module, and a fiber connector for receiving optical fibers and including a die coupler and an optical coupling element. The die coupler may be bonded to a top surface of the photonics die and aligned above an array of grating couplers. The optical coupling element may be attached to the die coupler and the electronics die and the source module may be bonded to the top surface of the photonics die. A continuous wave (CW) optical signal may be received in the photonics die from the optical source module. Modulated optical signals may be received in the photonics die from optical fibers coupled to the fiber connector. | 02-05-2015 |
20150050028 | STRUCTURED SUBSTRATE FOR OPTICAL FIBER ALIGNMENT - A structured substrate for optical fiber alignment is produced at least in part by forming a substrate with a plurality of buried conductive features and a plurality of top level conductive features. At least one of the plurality of top level conductive features defines a bond pad. A groove is then patterned in the substrate utilizing a portion of the plurality of top level conductive features as an etch mask and one of the plurality of buried conductive features as an etch stop. At least a portion of an optical fiber is placed into the groove. | 02-19-2015 |
20150055960 | HEATED LASER PACKAGE WITH INCREASED EFFICIENCY FOR OPTICAL TRANSMITTER SYSTEMS - A heated laser package generally includes a laser diode, a heating resistor and a transistor in a single laser package. The heating resistor and transistor form a heating circuit and may be located on a submount adjacent to the laser diode. The transistor is configured to control the drive current to the heating resistor and any additional heat generated by the transistor may contribute to the heating of the laser diode and thus increase the thermal efficiency of the system. The heated laser package may be used in a temperature controlled multi-channel transmitter optical subassembly (TOSA), which may be used in a multi-channel optical transceiver. The optical transceiver may be used in a wavelength division multiplexed (WDM) optical system, for example, in an optical line terminal (OLT) in a WDM passive optical network (PON). | 02-26-2015 |
20150063819 | OPTICAL TRANSMITTER, OPTICAL TRANSMISSION/RECEPTION SYSTEM, AND DRIVE CIRCUIT - The present invention provides an optical transmitter, an optical transmission/reception system, and a drive circuit, which are capable of adjusting linearity of signal intensity of output light. The optical transmitter includes an optical transmission lines through which an optical signal propagates, phase modulation regions being formed on the optical transmission line. A decoder decodes an input digital signal and outputs signals according to a decoded value. A drive circuit outputs drive signals level of which is equal to or more than three to the each of the plurality of phase modulation regions based on the signals. A control circuit adjusts full-scale amplitude of each of the drive signals by controlling the drive circuit. | 03-05-2015 |
20150071649 | DETACHABLE OPTICAL TRANSCEIVER - A detachable optical transceiver includes an optical part configured to convert an electric signal into an optical signal and transmit the optical signal, or to convert an optical signal into an electric signal and output the electric signal; and an electronic circuit part configured to amplify an electric signal input from a host board and output the amplified electric signal to the optical part, and to amplify an electric signal output from the optical part and output the amplified electric signal to the host board, wherein the optical part and the electronic circuit part are formed to have housings and the optical part and the electronic circuit part are connected and disconnected via connectors formed on the respective housings. | 03-12-2015 |
20150071650 | BI-DIRECTIONAL OPTICAL TRANSCEIVER MODULE - A bi-directional optical transceiver module includes: an optical transmission unit to output a transmission signal; an optical reception unit to receive a reception signal, the transmission signal and the reception signal having different corresponding first and second wavelength values within a single channel; a splitter, inclined with respect to an incident direction of the transmission signal output from the optical transmission unit, to transmit the transmission signal to an outside, and reflect optical signals input from the outside, the optical signals including the reception signal; and a reflected light-blocking optical filter unit to pass, as the reception signal among the optical signals reflected by the splitter, an optical signal within a preset wavelength range including the second wavelength value. | 03-12-2015 |
20150078758 | LARGE CAPACITY OPTICAL TRANSCEIVER MODULE - A large capacity optical transceiver module includes: an optical transmitter configured to convert electric signals input from an external source into optical signals to transmit the converted signals, in which the electric signals are directly modulated into optical signals in a plurality of sub groups to be multiplexed; and an optical receiver configured to receive optical signals from the external source, and to convert the received optical signals into electric signals to output the converted signals, in which the optical signals are demultiplexed in a plurality of sub groups to be converted into electric signals. | 03-19-2015 |
20150086214 | TUNING DEVICE FOR PLUGGABLE OPTICAL TRANSCEIVERS - A tuning device for a pluggable XFP and SFP+ and DWDM transceiver devices. Also provided are applications for CWDM XFP, and SFP+ and future form factors as well as DWDM and CWDM SFP. This tuning device is for use with tunable DWDM and CWDM transceivers, and provides the ability to lock the tune of the transceiver to prevent a host device from automatically retuning the transceiver. | 03-26-2015 |
20150104186 | FLEXIBLE 400G AND 1 Tb/s TRANSMISSION OVER TRANSOCEANIC DISTANCE - A method of transmitting a data signal is provided that includes integrating a trellis encoder/decoder into a transmitter for 16 quadrative amplitude modulation (QAM) to provide a first and second mode of modulation, wherein each mode has a same baud rate. Data is transmitted from the transmitter at the first mode of modulation with a plurality of first subcarriers with DP16QAM modulation to provide a substantially 400 G data transmission rate, or data is transmitted from the transmitter at the second mode of modulation with a plurality of second subcarriers with trellis coded modulation to provide a substantially 1 T data transmission rate. | 04-16-2015 |
20150110498 | COMMUNICATION DEVICE - A communication device includes four signal sending chips, four signal receiving chips, a first optical module and a second optical module. Each of the first optical module and the second optical module includes a main body and four lenses formed on the main body. The first optical module has four signal sending channels corresponding to the four lenses thereof, and the second optical module has four signal receiving channels corresponding to the four lenses thereof. The first optical module and the second optical module are individual from each other. | 04-23-2015 |
20150125158 | 40G/100G/200G/400G PLUGGABLE OPTICAL TRANSCEIVERS WITH ADVANCED FUNCTIONALITY - Integrated performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); alarming; amplification, and the like is described in optical transceivers, such as multi-source agreement (MSA)-defined modules. A pluggable optical transceiver defined by an MSA agreement can include advanced integrated functions for carrier-grade operation which preserves the existing MSA specifications allowing the pluggable optical transceiver to operate with any compliant MSA host device with advanced features and functionality, such as Forward Error Correction (FEC), framing, and OAM&P directly on the pluggable optical transceiver. The advanced integrated can be implemented by the pluggable optical transceiver separate and independent from the host device. | 05-07-2015 |
20150132007 | Digital Optical Modulator for Programmable n-Quadrature Amplitude Modulation Generation - An optical transceiver comprising an optical signal input, a first modulation section coupled to the optical signal input, a second modulation segment coupled to the optical signal input and positioned in serial with the first modulation section, wherein the first modulation section comprises a first digital electrical signal input, a first digital driver coupled to the first digital electrical signal input, and a first modulator coupled to the first digital driver, and wherein the second modulation section comprises a second digital electrical signal input, a second digital driver coupled to the second digital electrical signal input, and a second modulator coupled to the second digital driver, and an optical signal output coupled to the first modulation section and the second modulation section. | 05-14-2015 |
20150132008 | VIA-LESS MULTI-LAYER INTEGRATED CIRCUIT WITH INTER-LAYER INTERCONNECTION - A multi-layer integrated circuit comprises a light source configured to input source light to a first optical transmitter. The first optical transmitter is configured to modify the source light and to output a first modulated light based on data received from a first circuit to a second optical receiver. The first modulated light indicates a first data set, the second optical receiver is configured to receive the first modulated light and communicate the first data set to a second circuit. | 05-14-2015 |
20150132009 | OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD - An optical transmission device includes a receiver that receives first light, a transmitter that outputs second light, a memory, a processor coupled to the memory, configured to control a first optical level of the second light in such a way that a second optical level calculated based on an optical level of the received first light and an optical level of the second light that is output from the transmitter becomes a predetermined target value, a combiner that combines the received first light and the second light for which the first optical level is controlled by the processor, and an amplifier that amplifies the combined light. | 05-14-2015 |
20150139661 | Method of Monitoring an Optoelectronic Transceiver with Multiple Flag Values for a Respective Operating Condition - An optoelectronic transceiver includes an optoelectronic transmitter, an optoelectronic receiver, memory, and an interface. The memory is configured to store digital values representative of operating conditions of the optoelectronic transceiver. The interface is configured to receive from a host a request for data associated with a particular memory address, and respond to the host with a specific digital value of the digital values. The specific digital value is associated with the particular memory address received from the host. The optoelectronic transceiver may further include comparison logic configured to compare the digital values with limit values to generate flag values, wherein the flag values are stored as digital values in the memory. | 05-21-2015 |
20150311981 | SINGLE-CORE OPTICAL TRANSCEIVER - A single-core optical transceiver is an optical transceiver for transmitting or receiving an optical signal through a single optical fiber. The single-core optical transceiver has a light emitting device for transmitting the optical signal and a light receiving device for receiving the optical signal. The light emitting device is an LED configured including a sapphire substrate arranged on a light receiving surface of the light receiving device so as to be coaxial with the light receiving surface, and a nitride semiconductor layer laid on the sapphire substrate. Even with the light emitting device being arranged on the light receiving surface of the light receiving device, the optical signal from the optical fiber can be received on the entire area of the light receiving surface, so as to adequately improve the light sensitivity. | 10-29-2015 |
20150326319 | OPTICAL TRANSCEIVER HAVING AUXILIARY AREA TO INSTALL MACH-ZEHNDER MODULATOR - An optical transceiver for the coherent communication system is disclosed. The optical transceiver follows the standard of the CFP transceiver and installs a wavelength tunable laser diode (LD) as a light source for the optical transmission and a local light for the optical reception; an optical modulator of the Mach-Zehnder type made of dielectric material; and an optical receiver to recover the DP-QPSK optical signal The housing of the optical transceiver provides a front auxiliary area and a rear auxiliary area to install a slender optical modulator and to bend an inner fiber with a large radius. | 11-12-2015 |
20150372758 | TRANSMITTING AND RECEIVING APPARATUS USING WAVELENGTH-TUNABLE FILTER AND METHOD THEREOF - A transmitting and receiving apparatus using a wavelength-tunable filter according to an exemplary embodiment may include: a filter to generate a filtered optical-reception signal by passing only an allowed-to-be-passed wavelength by using Bragg grating filter; a wavelength setter to set the allowed-to-be-passed wavelength of the filter; and a photoelectric converter to perform photoelectric conversion on the filtered optical-reception signal into an electrical signal. | 12-24-2015 |
20160020913 | METHOD FOR POWER SAVING IN OPTICAL ACCESS NETWORK BY USING SYNCHRONIZED SLEEP CYCLE - Provided is a power saving method of an optical network terminal and an optical line terminal. The optical network terminal may receive a sleep synchronization message about a first sleep group from the optical line terminal, and when the optical network terminal is included in the first sleep group, may turn OFF an optical transmitter and turn ON the optical transmitter after a first sleep cycle of the first sleep group is elapsed, thereby saving power. | 01-21-2016 |
20160028486 | Modular Passive Optical Network Recessed Wall Mounted Optical Network Terminal System - An optical network terminal (ONT) includes an ONT base bracket (OBB) configured to receive an optical medium and a power-conveying medium. The ONT also includes a modular ONT unit (MOU), which deploys within and detachably couples to the base bracket. The MOU communicates optical signals associated with the optical medium and receives power from the power medium. The MOU also communicates external format signals associated with an external environment. The MOU converts the optical signals to the external format signals, and converts the external format signals to the optical signals. Two or more OBBs may be combined to form the infrastructure for an optical local area network (OLAN). Each of the OBBs may be fixedly attached to a corresponding structural fixture, where the OBB terminates at least one optical fiber medium and at least one power-conveying medium. | 01-28-2016 |
20160028488 | OPTICAL TRANSCEIVER - Disclosed is an optical transceiver. The optical transceiver that accesses each port of a network device includes: a recognition unit recognizing an optical transceiver that accesses another port of the network device; a message exchange unit exchanging a message with the optical transceiver that accesses another port; a time stamping unit recording time stamps for an input time and an output time of the message in the message; and a synchronization control unit performing time synchronization for a master optical transceiver by calculating an offset time and a network delay time by using the time stamps recorded in the exchanged message. | 01-28-2016 |
20160041336 | THREE PORT TRANSCEIVER - An optical coherent transceiver comprising a polarization and phase-diversity coherent receiver and a polarization and phase-diversity modulator on the same substrate interfaced by three grating couplers, on grating coupler coupling in a signal, one grating coupler coupling in a laser signal, and a third grating coupler coupling out a modulated signal. | 02-11-2016 |
20160050019 | ALIGNING OPTICAL COMPONENTS IN A MULTICHANNEL RECEIVER OR TRANSMITTER PLATFORM - Embodiments described herein describe a sub-mount that is etched to include respective cavities with at least two adjacent sides that align optical filters and a mirror. Moreover, the cavities are arranged on the sub-mount such that when the filters and mirror are disposed in the cavities, they align in a manner that enables the performance of a multiplexing or demultiplexing function as part of, for example, a zigzag multiplexer/demultiplexer. In one embodiment, the filters and mirrors are aligned passively rather than actively. The sub-mount may then be placed on a substrate that includes other components of a ROSA or TOSA. In one embodiment, the substrate is also etched to include a cavity two adjacent sides to align the sub-mount so that sub-mount is passively aligned once disposed into the cavity. | 02-18-2016 |
20160095211 | OPTICAL MODULE, OPTICAL TRANSCEIVER, PRINTED CIRCUIT BOARD, AND FLEXIBLE PRINTED CIRCUIT BOARD - An optical module includes: a first circuit board including a first signal terminal part and a first ground terminal part formed on a front surface; and a second circuit board including a second signal terminal part and a second ground terminal part formed on a back surface. The first circuit board further includes: a first dielectric layer; a first signal wire formed on a front surface of the first dielectric layer; a first ground conductor layer formed on a back surface of the first dielectric layer; and a first through ground conductor passing through the first dielectric layer. The first ground terminal part is formed, in a first region and a second region respectively located on both sides of the first signal terminal part in a first direction, and in a third region prescribed at a location beyond the first signal terminal part in a second direction. | 03-31-2016 |
20160124169 | DATA BUS-IN-A-BOX (BIB) SYSTEM DESIGN AND IMPLEMENTATION - Systems, methods, and apparatus for a data bus-in-a-box (BiB) are disclosed. The system involves an electrical box, and at least one optical connector located on the box. The system further involves at least one mother board housed inside of the box, and comprising a transmit side comprising at least one transmit optical media converter (OMC) tile, and a receive side comprising at least one receive OMC tile. Also, the system involves first receive optical fibers that are each connected from at least one receive OMC tile to a receive coupler; and a second receive optical fiber connected from the receive coupler to one of the optical connectors. Further, the system involves first transmit optical fibers that are each connected from at least one transmit OMC tile to a transmit coupler; and a second transmit optical fiber connected from the transmit coupler to at least one of the optical connectors. | 05-05-2016 |
20160134375 | COMMUNICATION METHOD FOR A CLUSTER OF NETWORK HOSTS - We disclose communication methods using which a cluster of network nodes is interconnected via an optical interconnect and an electrical switch engine. A communication method executed at a master optical transceiver coupled to one side of the optical interconnect enables that transceiver to establish an optical communication link with any one of a plurality of slave optical transceivers coupled to the other side of the optical interconnect. A communication method executed at a slave optical transceiver enables that transceiver to communicate with the master optical transceivers without having its own light source and, instead, modulating data onto previously un-modulated signaling dimensions of the incoming optical waveforms, which are then turned around and broadcast back to the master optical transceivers. Some embodiments enable the slave optical transceivers to establish a temporary fully switchable network for the corresponding network nodes, wherein the switching is performed by electrically switching the electrical switch engine. | 05-12-2016 |
20160134376 | HIGH-SPEED OPTICAL TRANSCEIVER SYSTEMS AND METHODS - A high-speed 100 G optical transceiver, such as for InfiniBand and Ethernet, with associated mapping to frame various different protocols. The optical transceiver utilizes an architecture which relies on standards-compliant (i.e., multi-sourced) physical client interfaces. These client interfaces are back-ended with flexible, programmable Field Programmable Gate Array (FPGA) modules to accomplish either InfiniBand or Ethernet protocol control, processing, re-framing, and the like. Next, signals are encoded with Forward Error Correction (FEC) and can include additional Optical Transport Unit (OTU) compliant framing structures. The resulting data is processed appropriately for the subsequent optical re-transmission, such as, for example, with differential encoding, Gray encoding, I/Q Quadrature encoding, and the like. The data is sent to an optical transmitter block and modulated onto an optical carrier. Also, the same process proceeds in reverse on the receive side. | 05-12-2016 |
20160142145 | OPTICAL MODULE - The embodiments of this disclosure provide an optical module, which expands the network bandwidth, eases a problem on dynamic bandwidth allocation. The optical module comprises an optical transceiver assembly and a control circuit, wherein the optical transceiver assembly comprises a first optical emitter and a second optical emitter; the control circuit is configured to control the first optical emitter to generate an optical signal of a first waveband, and the first optical emitter is configured to emit the optical signal of the first waveband to a transmission optical fiber; or, the control circuit is configured to control the second optical emitter to generate an optical signal of a second waveband, and the second optical emitter is configured to emit the optical signal of the second waveband to the transmission optical fiber. This disclosure is applied to an optical module of a wavelength division multiplex passive optical network. | 05-19-2016 |
20160149645 | SIGNAL TRANSMISSION METHOD AND DEVICE - The present invention provides a signal transmission method and device. The device includes: a transmitting device, configured to transmit a first signal to an opposite terminal; and a receiving device, configured to receive a second signal transmitted by the opposite terminal, where a frequency of the first signal is different from a frequency of the second signal, and the frequency of the first signal and/or the frequency of the second signal are/is in a frequency band of visible light. The present invention resolves a problem in a related technology that poor reliability of uplink and downlink signal transmission is caused when signals of a same frequency are used for uplink and downlink transmission, and provides a beneficial effect of improving reliability of uplink and downlink signal transmission. | 05-26-2016 |
20160191166 | Optical Module - An optical module includes an optical fiber connector, a transmitter optical component, a receiver optical component and a printed circuit board arranged within an optical module housing; the transmitter optical component and the receiver optical component are optically coupled to the optical fiber connector, and electrically connected to the printed circuit board which is arranged horizontally within the optical module housing. The transmitter optical component and the receiver optical component are stacked in a direction perpendicular to the printed circuit board. Stacking the transmitter optical component and the receiver optical component makes use of the width of the optical module by improving design flexibility of the optical path and the electric circuit, reducing or even substantially eliminating crosstalk between the high-speed devices and high-speed signals, and improving the heat dissipation effect of the optical module. | 06-30-2016 |
20160380698 | COHERENT AND PULSE AMPLITUDE MODULATION IN A PLUGGABLE OPTICAL TRANSCEIVER - An apparatus adapted to operate a pluggable optical transceiver in a plurality of modulation schemes includes core circuitry adapted to interface with a host device, wherein the host device is adapted to support the pluggable optical transceiver; direct detection modulation circuitry communicatively coupled to the core circuitry; coherent modulation circuitry communicatively coupled to the core circuitry; and selection circuitry adapted to operate one of the direct detection modulation circuitry and the coherent modulation circuitry based on a selection depending on an application of the pluggable optical transceiver. | 12-29-2016 |
20190149237 | CONTAINING DEVICE OF OPTICAL TRANSCEIVER | 05-16-2019 |
20220140909 | OPTICAL LINE TERMINAL - An optical line terminal (OLT) includes: a first optical transceiver and a second optical transceiver each configured to transmit or receive at least one optical signal among an optical signal of a first standard and an optical signal of a second standard through an optical cable inserted thereinto, and convert between an optical signal and an electrical signal; a first connector configured to electrically connect an extended output terminal of an electrical signal input/output unit of the first transceiver and an extended output terminal of an electrical signal input/output unit of the second optical transceiver; and a second connector configured to selectively connect the extended output terminal and a default output terminal of the electrical signal input/output unit of the second optical transceiver. | 05-05-2022 |