| Entries |
| Document | Title | Date |
|---|
| 20080199185 | METHOD AN APPARATUS FOR OBTAINING REAL-TIME MEASUREMENTS OF OPTICAL SIGNALS IN AN OPTICAL NETWORK WITH MINIMAL OR NO INTERRUPTIONS IN COMMUNICATIONS OVER THE NETWORK - High-speed measurements of the output power level of a laser are obtained by using a high-speed optical monitoring device that is capable of producing an electrical feedback signal having an amplitude that varies based on the amount of light impinging on the monitoring devices. These signals are processed and measured by OTDR circuitry and sampling circuitry within the transceiver module to allow measurements to be made in the transceiver module to detect breaks, defects or discontinuities in the transmit fiber, BER, mask margin, jitter, rise and fall times, logic 1 level, logic 0 level, crossing level of rise and fall times, double tracing anomalies, hits in the eye region, etc. | 08-21-2008 |
| 20080205898 | Method and device for a flag - A flag that is lit with lights in the body of the flag with the aid of optic fibers. Optionally, the flag can remain outstretched regardless of wind. Optionally, the light shines from behind the material of the flag or between layers of flag material, to reveal patterns or letters cut out in the said flag material and can be seen also in darkness. | 08-28-2008 |
| 20080205899 | Optoelectronic Transmitting and Receiving Device - An optoelectronic transmitting and receiving device, including a pierced platform including at least one through hole for introduction of an optical fiber, a first optoelectronic element integral with the platform, arranged substantially facing the through hole and configured to emit or receive a first laser beam at a first wavelength, and at least one second optoelectronic element hybridized on the platform and arranged substantially facing the through hole. The first element is arranged between the platform and the second element, which is configured to receive or emit a second laser beam at a second wavelength, different than the first wavelength, passing through the first element. | 08-28-2008 |
| 20080212973 | Bi-Directional Optical Module - Provided is a bi-directional optical module including: a transmission optical element including an SOA (semiconductor optical amplifier) aligned on an optical axis of an LD (laser diode) formed on a substrate; and a reception optical element comprising a PD (photodiode) including a light receiving surface perpendicular to the optical axis of the LD of the transmission optical element. | 09-04-2008 |
| 20080226297 | Optical Fiber Paper Reader - Techniques for authenticating certificates of authenticity (COAs) are discussed. The techniques provide for a simplified authentication system that is easily utilized in a field setting. In described embodiments, COAs are attached to or otherwise associated with goods to be authenticated. The COAs incorporate random or pseudo-random arrangements of optically sensitive fibers to create unique identifiers. A COA reader device optically scans each COA and characterizes the COA according to its unique arrangement of optical activity. A COA reader device may also scan data (e.g., a barcode) that is associated with the COA. The data contains information about the COA to further strengthen the COA authentication process. Based on the scan, the goods associated with the COAs can be verified as genuine (i.e., not pirated). | 09-18-2008 |
| 20080240724 | System and method for cable monitoring - Embodiments include methods, apparatus, and systems for cable monitoring. One embodiment includes a method that receives data from an optical transceiver coupled to a cable and a RFID (radio frequency identification) device mounted to the cable. The data from the optical transceiver and RFID device is used to determine an operational status of the cable. | 10-02-2008 |
| 20080240725 | OPTICAL RECEIVER AND OPTICAL TRANSCEIVER USING THE SAME - A small, low cost, low power-consumption optical receiver transmits signals at a high bit rate of approximately 10 Gbps over a long distance of 100 km or longer without chromatic dispersion compensation. An optical filter with a variable filtering wavelength is provided in the optical waveguide. A frequency-modulated signal light is inputted into the waveguide and transferred to the through port and the drop port thereof. The filter limits the frequency-modulated signal light to a predetermined frequency band and converts the said light to an intensity-modulated signal. The first and second converters provided at the through and drop ports to convert the first and second components of the intensity-modulated signal to electric signals, respectively. The filtering wavelength of the filter is controlled using the electric signals from the first and second converters. The input signal is regenerated from the electric signal of the second converter. | 10-02-2008 |
| 20080260390 | BISTABLE LIQUID CRYSTAL OPTICAL DEVICE - A bistable liquid crystal-based optical device operates with reduced or zero power consumption and maintains a switching state during power loss. The optical device includes a bistable liquid crystal material that maintains a stable molecular orientation in the absence of an electrical field. The optical device further includes a beam steering device positioned downstream of the liquid crystal, such as a birefringent crystal or Wollaston prism. The molecular orientation of the liquid crystal modulates the polarization state of an incident light beam, and the beam steering device directs the beam along a first optical path, a second optical path, or both paths, based on the polarization state of the light. | 10-23-2008 |
| 20080273880 | Redundant channel implementation to extend optical transceiver lifetime and relibility - Embodiments introduce redundant optical channels to significantly extend the lifetime of parallel optical transceivers. A plurality of transmitters, N, transmit on a plurality of optical channels, where N is an integer number of optical channels greater than 1. One or more redundant channels, M, are also provided. N+M multiple input shift registers provide multiple paths for signals from each of the transmitters to connect to N+M laser diodes. In the event up to M of the N+M laser diodes fail, the multiple input shift registers connect the N transmitters to functioning ones of the N+M laser diodes thus extending the life of the device. A corresponding scheme is also described for the receiver side. | 11-06-2008 |
| 20080285978 | OPTICAL HYBRID MODULE - Provided is an optical hybrid module in which an optical device, a filter, an amplifier and an antenna are hybrid-integrated, which includes: a silicon optical bench disposed on a substrate and having an optical fiber and an optical device; an amplifier disposed on the substrate and connected to the optical device disposed on the silicon optical bench to amplify a signal transmitted from the optical device; and an antenna disposed on the substrate to be connected to the amplifier and transmitting a signal amplified by the amplifier. Thus, a foot-print module may be embodied by disposing an antenna and a filter on a single- or multi-layer substrate and providing a bias required for the optical device and the amplifier through a solder ball. Also, due to the antenna and filter disposed on the substrate, an expensive connector is not needed, and thus a production costs can be reduced. | 11-20-2008 |
| 20080310854 | CONNECTED BODY AND OPTICAL TRANSCEIVER MODULE - An optical element amounted structure includes an optical element having an electrode such as a bump formed on a surface thereof, and a substrate having an electrode that is joined to the optical element formed on the surface. The structure of the electrode of the substrate has a substantially ring configuration or a substantially ring configuration a part of which is notched, and the optical element and the substrate are joined to each other in a configuration where a joining material such as a bump is inserted into an opening portion. | 12-18-2008 |
| 20090016732 | METHOD FOR DRIVING SURFACE EMITTING SEMICONDUCTOR LASER, OPTICAL TRANSMISSION MODULE, AND HANDHELD ELECTRONIC DEVICE - Provided is a method for driving a surface emitting semiconductor laser including an active region that generates light, a resonator structure disposed such that it sandwiches the active region, and a driving electrode that provides power to the active region. The surface emitting semiconductor laser has an internal resistance defined by voltage and current applied to the driving electrode. The method includes applying a modulation signal to the driving electrode, in which the modulation signal has a current amplitude defined by a first current value and a second current value that is greater than the first current value. The modulation signal is in a negative gradient region in which the internal resistance decreases in contrast to the increase of the current. | 01-15-2009 |
| 20090016733 | Optical waveguide holding member and optical transceiver - An optical transceiver using an optical waveguide holding member is disclosed. The optical transceiver includes a printed circuit board and the optical waveguide holding member. Photoelectric conversion elements are formed in the printed circuit board. An optical waveguide including core members is formed in the optical waveguide holding member. The optical waveguide optically connects the photoelectric conversion elements to external optical fibers. An element side lens is formed at one end of the core member so as to face a light receiving and emitting section of the photoelectric conversion element. Flanges are formed on the corresponding side walls of the optical waveguide holding member. The fixed centers of the flanges and optical centers of the element side lenses are arrayed on the same straight line. | 01-15-2009 |
| 20090016734 | Optical waveguide holding device and optical transceiver - A disclosed optical waveguide holding device is attached onto a printed circuit board of an optical transceiver that performs conversion between an electric signal and an optical signal. The optical waveguide holding device holds an optical waveguide between an external optical fiber and a photoelectric conversion unit attached onto or formed on the printed circuit board. The optical waveguide holding device includes a first connection part configured to optically connect a first end of the optical waveguide to a light receiving/emitting part of the photoelectric conversion unit; a second connection part configured to optically connect a second end of the optical waveguide to the external optical fiber; an optical fiber forming the optical waveguide, disposed between the first end and the second end of the optical waveguide; a first holder configured to hold the optical fiber on a side of the first end; and a second holder configured to hold the optical fiber on a side of the second end. | 01-15-2009 |
| 20090028575 | Fiber Orientation for Optical Transceiver - A compact optical transceiver is provided in which a substrate provides for an alignment surface for optical fibers and a lens assembly provides the necessary optical paths for coupling to photodiode and photodetector structures. Appropriate electrical connections on the substrate enable the substrate to be directly connected to a printed circuit board, grid array socket, and the like. | 01-29-2009 |
| 20090034982 | INTEGRATED LASER AND PHOTODETECTOR CHIP FOR AN OPTICAL SUBASSEMBLY - A semiconductor device with an integrated optical transmitter and optical receiver is disclosed that can be used in an optical subassembly. The device may include a substrate, a first component, an optical filter, and a second component, wherein the first component comprises an optical transmitter and the second component comprises an optical receiver, or vice versa. The first component can be configured to emit (or be sensitive to) a first optical signal having a first wavelength while the second component can be configured to be sensitive to (or emit) a second optical signal having a second wavelength. The optical filter can be configured to allow transmission therethrough of optical signals having the first wavelength while blocking optical signals having the second wavelength. | 02-05-2009 |
| 20090052904 | AN OPTICAL CONNECTOR, A COMMUNICATION SYSTEM AND A METHOD OF CONNECTING A USER CIRCUIT TO AN OPTICAL TRANSCEIVER - The invention provides an optical connector for connecting a user circuit to an optical backplane, in use the connector being adapted for mounting on a user circuit. The connector comprises an active or passive photonic interface through which optical signals may be transmitted and received between a user circuit and a said optical backplane; a primary aligner for engagement with a corresponding aligner on a backplane to ensure alignment of the optical interface with the backplane; and a support for supporting the aligner and/or the optical interface on the connector. The support is selected to enable relative movement between a user circuit to which the connector is connected in use and the aligner and/or the optical interface. The support is preferably a flexible printed circuit board. | 02-26-2009 |
| 20090060519 | Internal EMI Washer for Optical Transceiver with Parallel Optic Fiber Ribbon - An optical transceiver including an optical fiber ribbon, a housing permanently attached to the optical fiber ribbon, and an electrical connector extending from the housing. An electro/optical converter is disposed within the housing including an array of VCSELs and an array of photodiodes rigidly coupled to a ferrule supporting respective fibers of the fiber ribbon. A member is disposed on an outer surface of the housing adjacent the aperture that resists sharp bending of the optical fiber ribbon where the ribbon exits the housing through the aperture and blocks leakage of electromagnetic radiation from the housing. | 03-05-2009 |
| 20090080897 | BI-DIRECTIONAL OPTICAL MODULE COMMUNICATING WITH SINGLE FIBER - A bi-directional optical module with an improved arrangement of the PD and the LD is disclosed. The LD is mounted on the stem through the LD carrier and the metal block, while the PD is mounted on the stem through the PD carrier. The bottom level of the PD is lower than the top level of the metal block and the top level of the PD is lower than the top level of the LD carrier. | 03-26-2009 |
| 20090097858 | OPTICAL DATA TRANSCEIVERS - An optical data transceiver is manufactured by forming an integrated control circuit ( | 04-16-2009 |
| 20090103927 | FIBER OPTIC LINK, A TRANSCEIVER FOR USE IN THE LINK, AND METHODS FOR DESIGNING AND CONSTRUCTING FIBER OPTIC LINKS AND TRANSCEIVERS - A fiber optic link is provided that uses a relatively low-cost transceiver that incorporates relatively inexpensive low bandwidth optical and electrical components to achieve high data rate operations. The data rate of the fiber optic link can be greater than the data rate of the laser of the transceiver provided the laser meets certain noise requirements; in particular, the relative intensity noise (RIN) of the laser must be low enough to ensure low bit error rate (BER) operation of the link. | 04-23-2009 |
| 20090136236 | Optically Coupling Components Of A Transceiver - An apparatus comprises one or more electro-optical coupling modules. An electro-optical coupling module comprises a diode, a flexible optical coupling element, a reflective surface, and an optical fiber. The diode performs an electro-optical conversion on a signal. The flexible optical coupling element communicates the signal between the diode and the reflective surface. The reflective surface reflects the signal between the flexible optical coupling element and the optical fiber. | 05-28-2009 |
| 20090142066 | Single Aperture Multiple Optical Waveguide Transceiver - A single-aperture, multi-axial transceiver is provided that is particularly useful in a LIDAR system for detecting low velocities at increased ranges. The system is particularly useful in systems that are required to measure very low velocities and very short distances as well as to provide an operating range of hundreds of meters. The transceiver uses closely spaced waveguides placed near the focal point of a single objective | 06-04-2009 |
| 20090142067 | METHOD FOR DETECTING A SIGNAL ON A PASSIVE OPTICAL NETWORK - A transceiver assembly is provided for use in an optical telecommunications network. The circuitry arrangement in the transceiver of the present invention generates a ranging signal that is transmitted along the fibers attached thereto and then filters the return signal in an manner that eliminates virtually all of the noise effects found on the fiber to provide a highly reliable timing signal for an accurate delay calculation. A band pass filter is supplied in line before the input signal is allowed to pass to the ranging signal detector and comparator thereby allowing only a signal at the fundamental frequency of the input signal to pass, thereby eliminating false signal detect triggers. | 06-04-2009 |
| 20090154935 | BIDIRECTIONAL OPTICAL LINK OVER A SINGLE MULTIMODE FIBER OR WAVEGUIDE - A transceiver for use in a bidirectional optical communication link over a multimode channel is provided. The transceiver includes a single transverse mode light source in a transmitter. A waveguide or fiber based bidirectional coupler projects the transmitter mode to the high modes of the multimode channel. A detector coupled to predominantly all the modes of the channel via the waveguide or fiber based bidirectional coupler. | 06-18-2009 |
| 20090162073 | OPTICAL MODULE - An optical module includes a fusion splicing optical fiber and a ferrule. The fusion splicing optical fiber includes a first optical fiber including optical fiber ends and a first optical fiber core, a second optical fiber including optical fiber ends and a second optical fiber core, and a fused portion splicing the first optical fiber and the second optical fiber spliced between the optical fiber ends. The ferrule includes a first port, a second port, a third port, a first end surface arranged the first port and the second port, a second end surface arranged the third port, and a ferrule housing the fused portion and the first optical fiber ends and the second optical fiber ends. | 06-25-2009 |
| 20090169216 | Optical transmission assembly - An optical transmission assembly consists of an upper cladding; a lower cladding; a core formed between the upper cladding and the lower cladding; a surface light emitting device mounted to an upper surface at one end of the upper cladding, a light emitting surface of the surface light emitting device facing the core and emitting wavelength λ | 07-02-2009 |
| 20090202252 | Optical communication module and method for using the same - An optical communication module includes an optical package including at least one semiconductor optical device, an optical filter for reflecting light of a specific wavelength and transmitting light of an other wavelength, an optical block including a transparent material and the optical filter, a housing that houses the optical package and the optical block, an in-housing circuit board housed in the housing and mounting a peripheral electrical circuit for the optical package thereon, and an electrical connector electrically connected to the in-housing circuit board and exposed at a bottom surface of the housing. The optical block further includes a front lens portion at a front side face of the housing, a rear lens portion at a rear side face of the housing, a light inputting port, and a light outputting port. The optical filter is arranged to obliquely intersect with an optical axis passing through the front lens portion and the rear lens portion at a predetermined angle. The optical package is arranged such that an optical axis between the optical filter and the optical package is substantially orthogonal to an optical axis between the front lens portion and the optical filter. | 08-13-2009 |
| 20090220245 | Circuit topologies for high speed, low cost optical transceiver components - A topology for optical transceiver components comprises an electrical signal interface stage, a data timing and signal reformatting stage, and an optical fiber interface stage. Unlike transceiver components known in the art, functions having signals with the most jitter are partitioned into the electrical signal interface stage. Data timing functions, for example retiming or clock and data recovery, are included in the data timing and reformatting stage. Output jitter from the data timing and signal reformatting stage is approximately equal to jitter in a clock signal, enabling use of semiconductor components having jitter greater than SONET limits and thereby increasing a value of production yield. Embodiments of the invention are well suited for 40 G transmitters and receivers in nonconnectorized surface mount packages. 40 G transceivers built in accord with the invention are expected to have lower cost, smaller size, and higher production yield than 40G transceivers known in the art. | 09-03-2009 |
| 20090238574 | APPARATUS AND METHOD FOR MONITORING OPTICAL GATE DEVICE, AND OPTICAL SWITCH SYSTEM - An optical gate device transmits or interrupts input light according to control information. The optical gate device includes a light-receiver that obtains input and output optical powers of the optical gate device, and a monitor that obtains optical input and output characteristics of the optical gate device based on the control information and the monitored input and output optical powers, the optical input and output characteristics being equivalent to a time the optical gate device is controlled in a transmitted state. | 09-24-2009 |
| 20090263140 | OPTICAL COMMUNICATION MODULE AND FLEXIBLE PRINTED CIRCUIT BOARD - A flexible printed circuit board includes: a signal wiring pattern including: a transmission line for connecting an end of an optical device with an end of a signal generation circuit; and another transmission line for connecting another end of the optical device with another end of the signal generation circuit; a thin film resistor layer formed in a region including a region facing the signal wiring pattern so as to constitute a first microstrip line together with each of the transmission lines; a ground conductor formed in a region except a part of a region facing the thin film resistor layer within a region including a region facing the signal wiring pattern so as to constitute a second microstrip line together with each of the transmission lines; and an insulating layer formed between each two of the signal wiring pattern, the thin film resistor layer, and the ground conductor. | 10-22-2009 |
| 20090274468 | Transceiver module with releasing mechanism - A pluggable transceiver module assembly includes a cage ( | 11-05-2009 |
| 20090279898 | Bi-directional optical device for use in fiber-optic communications - A bi-directional optical device includes: a TO cap; a TO header defining a receiving space together with the TO cap; a laser chip provided on the TO header and in the receiving space; and a light-receiving chip provided on the TO header and in the receiving space. The TO cap has a cap body and a lens embeddedly mounted on the cap body. The laser chip emits a first laser beam toward the lens. The light-receiving chip faces the lens and receives a second laser beam transmitted through the lens. The laser chip and the light-receiving chip are packaged together within the receiving space defined by the TO cap and the TO header, so as to effectuate a bi-directional optical device for emitting and receiving light of different wavelengths. | 11-12-2009 |
| 20090285580 | Optical-Electrical Transceiver Module - An optical-electrical transceiver module is to connect an optical-electrical composite cable incorporating an optical fiber and an electric wire to a receptacle of external electrical equipment. The module comprises a base; an optical path conversion element provided on the base; a flexible printed circuit sheet provided on the optical path conversion element and having electrical wiring; a support plate provided on the base to support the flexible printed circuit sheet; an optical element provided on the flexible printed circuit sheet; and an electric connector. The flexible printed circuit sheet is extended over the support plate and the base. The base, support plate, and flexible printed circuit sheet are connected to the electric connector by insertion into the electric connecter. | 11-19-2009 |
| 20090304390 | OPTICAL INTEGRATED CIRCUIT APPARATUS - Optical waveguides and optical transceivers are formed on one main surface of a semiconductor substrate. A light source is provided on one side surface of the semiconductor substrate, and emits light to the optical waveguides. In each of the optical transceivers, when a voltage is applied to a silicon layer, an optical resonator resonates with any one of the light components traveling through the optical waveguides, and emits the light component to an optical transmission member. In addition, in each of the optical transceivers, when a voltage is applied to the silicon layer, another optical resonators resonate with light traveling through the optical transmission member and emit the resonance light to photodetectors, respectively. | 12-10-2009 |
| 20090324239 | OPTICAL INTEGRATED CIRCUIT APPARATUS - Optical waveguides and optical transmission/reception units are placed on one principal plane of a semiconductor substrate. A light source is placed on one end surface of the semiconductor substrate and guides generated light to the optical waveguides. In the optical transmission/reception units, each of optical resonant members optically resonates with partial light of one of light beams propagating in the optical waveguides and emits the partial light into an optical transmission member if voltage is applied thereto. In the optical transmission/reception units, each of another optical resonant members optically resonates with light propagating in the optical transmission member and emits the resonated light into a photodetector unit if voltage is applied thereto. | 12-31-2009 |
| 20100014870 | WIRELESS COMMUNICATION DEVICE AND LIGHT GUIDE EMPLOYED THEREIN - A wireless communication device includes a plurality of light sources and a light guide including a light guiding element and a light shielding element. The light guiding element includes a plurality of guiding portions. Each guiding portion includes an expander having a first end corresponding to a respective one of the light sources and a second end opposite to the first end. The second ends of the expanders collectively form a continuous end surface. At least one cavity is defined between each two neighboring guiding portions. The light shielding element includes at least one shielding portion received in the at least one cavity to prevent light interference between the plurality of guiding portions. | 01-21-2010 |
| 20100014871 | Method of and photonic device for eliminating or substantially reducing sensitivity to polarization of an injected optical signal and method of manufacturing such photonic device - An photonic device, comprising one section of a material which is different from the material of another section such that the two sections present different optical birefringent index values. This causes a first set of polarization modes to move in a spectral space with a different velocity than a second set of polarization modes. A bias current, or voltage, is used for controlling the overall birefringence effect in the device. The biasing for controlling the birefringence effect is performed such the TE modes and the TM modes of the device are made to coincide in their respective spectral position. Thus the device is made insensitive, or presents substantially reduced sensitivity, to the polarization of any incoming optical signal. | 01-21-2010 |
| 20100046955 | 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 10G optical interconnects over distances up to 2k 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 to 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. | 02-25-2010 |
| 20100046956 | OPTICAL TRANSMISSION SYSTEM AND ELECTRONIC DEVICE - A light transmission system includes a core for transmitting a clock signal as an optical signal, a core for transmitting a data signal or a control signal as the optical signal in a first direction, which is a direction same as a transmission direction of the clock signal, and a core for transmitting the data signal or the control signal as the optical signal in a second direction, which is an opposite direction to the transmission direction of the clock signal are arranged, thereby bi-directionally transmitting the data signal or the control signal. | 02-25-2010 |
| 20100061735 | OPTICAL COMMUNICATION DEVICE, OPTICAL TRANSCEIVER USING THE SAME AND MANUFACTURING METHOD OF OPTICAL COMMUNICATION DEVICE - An optical communication device, including a module board which includes at least the optical module inputting or outputting an optical signal, and the peripheral circuit connecting electrically with the optical module; a connector board which includes an electric connector inputting or outputting an electric signal: and a flexible board which adjusts a relative position of the module board and the connector board, and transmits the electric signal among these boards. | 03-11-2010 |
| 20100061736 | OPTICAL TRANSCEIVER - An optical transceiver of the present invention comprising an OSA, a circuit board, and a flexible substrate connecting these, in which the flexible substrate has high-speed signal lines and other lines other than the high speed signal lines provided separated from each other on the same surface, a ground layer placed apart and opposite these, and a resistive layer placed apart and opposite the high-speed signal lines, the other lines and the ground layer. High-speed signal and the resistive layer are opposite at least a part of the other lines. | 03-11-2010 |
| 20100086311 | SURFACE EMITTING LASER, AND TRANSCEIVER, OPTICAL TRANSCEIVER, AND OPTICAL COMMUNICATION SYSTEM EMPLOYING THE SURFACE EMITTING LASER - A surface emitting laser includes a lower semiconductor multilayer mirror formed of a plurality of pairs of a high-refractive-index area and a low-refractive-index area; an active layer vertically sandwiched by cladding layers; a current confinement layer of Al | 04-08-2010 |
| 20100119235 | METHODS AND APPARATUS TO DEPLOY FIBER OPTIC BASED ACCESS NETWORKS - Methods and apparatus to deploy fiber optic based access networks are disclosed. An example access network comprises a first fiber optic cable segment to couple an optical access head-end to a first pedestal and to transport user data, a second fiber optic cable segment to couple the first pedestal to a second pedestal and to transport a first portion of the user data to the second pedestal, a drop cable segment to couple the first pedestal to a customer premises and to transport a second portion of the user data to the customer premises, and a switch at the first pedestal to route the first portion of the user data between the first and second fiber optic cable segments and to route the second portion of the user data between the first fiber optic cable segment and the drop cable segment. | 05-13-2010 |
| 20100150569 | System And Method For Optoelectrical Communication - A method for upgrading an optoelectrical system includes securing a transmitter to a line card, wherein the line card comprises an optoelectrical connector. It also includes coupling the transmitter to the connector, wherein the connector comprises an embedded fiber configured to be coupled to the transmitter. In addition, the method includes inserting a pluggable form factor module comprising a receiver, an input port, and an output port into a cage secured to the line card. Further, the method includes coupling the pluggable form factor module to the connector such that an optical signal transmitted by the transmitter propagates in an optical line of sight between the embedded fiber of the connector and the output port. The connector comprises electrical contacts that are configured to be coupled to the module such that the receiver can convert optical signals received at the input port into electrical signals and transmit the electrical signals to the line card via the connector. | 06-17-2010 |
| 20100178061 | OPTICAL MODULE IMPLEMENTING A LIGHT-RECEIVING DEVICE AND A LIGHT-TRANSMITTING DEVICE WITHIN A COMMON HOUSING - A bi-direction optical module with an arrangement to reduce the crosstalk noise is disclosed. The optical module comprises a laser diode (LD) driven by a differential signal and a photodiode (PD) on a single package. The PD is mounted on a position where the electrical potential measured from respective interconnections connected to the anode and to the cathode of the LD becomes the midpoint of the interconnections. The capacitances with respect the stem, where the LD and the PD are mounted thereon, viewed from the anode and the cathode of the LD becomes substantially equal to each other, or distances from the PD to respective interconnections are adjusted depending on the length of the interconnection facing the PD. Twisting the interconnections to the LD may be effective to reduce the crosstalk. | 07-15-2010 |
| 20100226655 | SELF-STANDING PARALLEL PLATE BEAM SPLITTER, METHOD FOR MANUFACTURING THE SAME, AND LASER DIODE PACKAGE STRUCTURE USING THE SAME - Disclosed herein are a self-standing parallel plate beam splitter, a method for manufacturing the same, and a laser diode package structure using the same. The self-standing parallel plate beam splitter according to the present invention is easy to manufacture and is applicable to various laser diode packages, thereby enabling easy implementation of a laser diode package that is capable of performing bidirectional communication, a laser diode package having a triplexer function, a laser diode package having a wavelength locking function, and a laser diode package having a front side monitoring function to monitor the operation state of a laser diode chip using some of laser light emitted from the front side of the laser diode chip. | 09-09-2010 |
| 20100226656 | OPTICAL WAVEGUIDE, LIGHT TRANSMISSION APPARATUS, AND ELECTRONIC EQUIPMENT - An optical waveguide includes a first waveguide region and a second waveguide region. The first waveguide region includes a first core, a first clad provided around the first core, and a light reflecting surface. The light reflecting surface has at least one function of (i) reflecting light from a longitudinal direction of the first core toward a direction crossing the longitudinal direction and (ii) reflecting light from the crossing direction toward the longitudinal direction of the first core. The second waveguide region continues from the first waveguide region. The second waveguide region that includes a second core, and a second clad provided around the second core. The second core of the second waveguide region is thinner than the first core of the first waveguide region. A total thickness of the second core and the second clad is smaller than that of the first core and the first clad. | 09-09-2010 |
| 20100232800 | PARALLEL OPTICAL TRANSCEIVER MODULE HAVING A HEAT DISSIPATION SYSTEM THAT DISSIPATES HEAT AND PROTECTS COMPONENTS OF THE MODULE FROM PARTICULATES AND HANDLING - A parallel optical transceiver module is provided that has a heat dissipation system that dissipates large amounts of heat, while also protecting the laser diodes, ICs and other components of the module from particulates, such as dust, for example, and from mechanical handling forces. The heat dissipation system is configured to be secured to the optical subassembly (OSA) of the module such that when the OSA is secured to the upper surface of the leadframe of the module, the OSA and the heat dissipation system cooperate to encapsulate at least the laser diodes and laser diode driver IC in a way that protects these components from dust and other particulates and from external mechanical forces. The heat dissipation system of the module is disposed for coupling with an external heat dissipation system, e.g., with a heat dissipation system that is provided by the customer. | 09-16-2010 |
| 20100266288 | HIGH EFFICIENCY OPTICAL MODE TRANSFORMER FOR MATCHING A SINGLE MODE FIBER TO A HIGH INDEX CONTRAST PLANAR WAVEGUIDE - The present invention includes a device and a method for fabricating a device that is an optical power mode transformer that accepts light in a mode transformation direction where the transformer is attached to or embedded in a semiconductor microchip and includes a first single or multimode optical input (SM) waveguide including a first core surrounded by a cladding, and, a second high contrast index grade (HC) waveguide including a second core having a tapered region and surrounded by said cladding, a portion of the tapered region of the core being embedded within the first optical input waveguide region with an embedded length sufficient for efficient light transfer from the first input waveguide to the said second waveguide wherein the embedded portion of the tapered region is fully surrounded by the first input waveguide along an axial and radial cross-section of the second waveguide in the mode transformation direction. In this manner, it is possible that the long (SM) waveguide eventually actually acts as a cladding for the (HC) waveguide. | 10-21-2010 |
| 20100284699 | BIDIRECTIONAL OPTICAL LINK OVER A SINGLE MULTIMODE FIBER OR WAVEGUIDE - A transceiver for use in a bidirectional optical communication link over a multimode channel is provided. The transceiver includes a single transverse mode light source in a transmitter. A waveguide or fiber based bidirectional coupler projects the transmitter mode to the high modes of the multimode channel. A detector coupled to predominantly all the modes of the channel via the waveguide or fiber based bidirectional coupler. | 11-11-2010 |
| 20100296817 | ELECTROMAGNETIC RADIATION CONTAINMENT IN AN OPTOELECTRONIC MODULE - Electromagnetic radiation (EMR) containment assemblies for use in optoelectronic modules. In one example embodiment, an EMR containment assembly includes an EMR shield and a mounting spring plate attached to the EMR shield. The EMR shield includes a first substantially flat body defining at least one edge, a plurality of optical ports defined in the first body; and a plurality of fingers defined along at least one edge of the first body. The fingers are configured to bias against a housing of an optoelectronic module. The mounting spring plate includes a second substantially flat body defining at least one edge, an optical window defined in the second body, and a plurality of leaf springs defined along at least one edge of the second body. The leaf springs are configured to bias against an alignment guide positioned within the optoelectronic module. | 11-25-2010 |
| 20110002692 | OPTICAL WAVEGUIDE AND BI-DIRECTIONAL OPTICAL TRANSCEIVER - An optical waveguide and a bi-directional transceiver are provided. A single mode optical fiber has one end coupled to one end of a hollow optical fiber and an opposite end having a slope plane, thereby separating optical signals travelling in opposite directions from each other. Manual alignment for an optical system is easily realized without the need for additional optical elements, so that the light transmission/reception performance of the optical waveguide is improved and the structure of the optical waveguide is smaller. | 01-06-2011 |
| 20110026933 | Optical Communications Apparatus - An FSO transceiver ( | 02-03-2011 |
| 20110044696 | OPTICAL COMMUNICATION MODULE - An optical communication module which uses a single optical fiber to enable bidirectional communication or multiplexing communication is provided. The optical communication module includes a platform configured to have a through-hole therein which vertically passes through the platform; an optical receiver configured to be provided on the platform and include a light-receiving element; an optical transmitter configured to be provided on the platform and include a light-emitting element; and an optical filter configured to be provided on one surface of the platform to correspond to the through-hole, transmit light from the light-emitting element to an optical line, and transmit light input through the optical line to the light-receiving element, where one of the light-receiving element and the light-emitting element is provided on one surface of the platform on an opposite side of the optical line with the optical filter interposed therebetween, and the other is provided on the other surface of the platform to correspond to the through-hole. Accordingly, it is possible to reduce the manufacturing cost, minimize the optical or electrical crosstalk, and maximize the optical coupling efficiency. | 02-24-2011 |
| 20110052202 | HDMI OPTICAL TRANSCEIVER - An HDMI optical transceiver comprises an optical bench, at least one light emitter disposed on the optical bench, at least one first fiber assembly, at least one photodetector disposed on the optical bench and at least one second fiber assembly. The optical bench has a surface, at least one first groove recessed from the surface and at least one second groove recessed from the surface. The light emitter has a light-emitting surface. The first fiber assembly is disposed at the first groove of the optical bench and comprises a first sleeve fixed at the first groove and a first optical fiber which is disposed in the first sleeve and aligned with the light-emitting surface. The photodetector has a light-receiving surface. The second fiber assembly is disposed at the second groove of the optical bench and comprises a second sleeve fixed at the second groove and a second optical fiber which is disposed in the second sleeve and aligned with the light-receiving surface. | 03-03-2011 |
| 20110064418 | TRANSCEIVER AND BI-DIRECTIONAL SIGNAL TRANSMISSION SYSTEM THEREOF - A transceiver includes a lead-frame, a signal emitter, a signal receiver, and a coupling lens. The signal emitter and the signal receiver are attached on a same pad of the lead-frame. The coupling lens covers the signal emitter and the signal receiver. Since the positions of the signal emitter and the signal receiver are adjacent to each other, the coupling lens can be used to couple the signal emitter and the signal receiver for transmitting and receiving signals. | 03-17-2011 |
| 20110069967 | Standardized Identification of Pluggable Optics - Described herein are devices, assemblies, and systems for standardized identification of pluggable device, such as pluggable optics or small form-factor pluggable (“SFP”) transceivers. Specifically, the exemplary embodiments provide visual identification of operating properties for various pluggable devices without removing the devices from service and without the aid of software identification techniques. An exemplary assembly comprises a housing including an inserted portion and an exposed portion, a printed circuit board attached within the housing, at least one electrical contact connected to the printed circuit board and attached to the inserted portion providing an electrical connection to a host device, at least one optical contact connected to the printed circuit board and attached to the exposed portion providing an optical connection to an optical device, and a visual indicator displayed on the exposed portion representing at least one characteristic of the device. | 03-24-2011 |
| 20110076025 | Optical bidirectional communication module and optical bidirectional communication apparatus - An optical bidirectional communication module includes a light-emitting element, a light-receiving element and an optical waveguide. The optical waveguide performs wavelength division on light received from an optical fiber and guides the received light to the light-receiving element. The optical waveguide also performs wavelength division on light emitted from the light-emitting element and guides the emitted light to the optical fiber. The light-emitting element, the light-receiving element and the optical waveguide are incorporated on an optical substrate. | 03-31-2011 |
| 20110182588 | PLUGGABLE OLT IN ETHERNET PASSIVE OPTICAL NETWORKS - One embodiment provides a pluggable optical line terminal (OLT). The OLT includes a bi-directional optical transceiver configured to transmit optical signals to and receive optical signals from a number of optical network units (ONUs), an OLT chip coupled to the optical transceiver and configured to communicate with the ONUs through the optical transceiver, and a pluggable interface coupled to the OLT chip and configured to electrically interface between the OLT chip and a piece of network equipment. The optical transceiver, the OLT chip, and the pluggable interface are contained in an enclosure complying with a form factor, thereby allowing the pluggable OLT to be directly plugged into the network equipment. | 07-28-2011 |
| 20110236029 | INTEGRATED TRANSCEIVER WITH LIGHTPIPE COUPLER - A transceiver comprising a CMOS chip and a laser coupled to the chip may be operable to communicate an optical source signal from a semiconductor laser into the CMOS chip. The optical source signal may be used to generate first optical signals that are transmitted from the CMOS chip to optical fibers coupled to the CMOS chip. Second optical signals may be received from the optical fibers and converted to electrical signals via photodetectors in the CMOS chip. The optical source signal may be communicated from the semiconductor laser 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 optical source signal may be communicated into the CMOS chip and the first optical signals may be communicated from the CMOS chip via optical couplers, which may comprise grating couplers. | 09-29-2011 |
| 20110243569 | INTEGRATED TRANSCEIVER WITH LIGHTPIPE COUPLER - A transceiver comprising a plurality of CMOS chips may be operable to communicate an optical source signal from a semiconductor laser into a first CMOS chip via optical couplers. The optical source signal may be used to generate first optical signals that are transmitted from the first CMOS chip to optical fibers coupled to the first CMOS chip via one or more optical couplers. Second optical signals may be received from the optical fibers and converted to electrical signals via photodetectors in the first CMOS chip. The optical source signal may be communicated from the semiconductor laser into the first 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 first CMOS chip. The electrical signals may be communicated to at least a second of the plurality of CMOS chips comprising electronic devices. | 10-06-2011 |
| 20110274435 | MULTICORE FIBER TRANSMISSION SYSTEMS AND METHODS - An optical data link includes first and second pluralities of transmission devices, at least one of which is configured as an array. A multichannel transmission link has a first end connected to the first plurality of transmission devices and a second end connected to the second plurality of transmission devices so as to form a plurality of parallel transmission channels therebetween. The multichannel transmission link includes a multicore fiber with a plurality of individual cores having a configuration matching the array configuration of the at least one plurality of transmission devices. The multicore fiber has an endface connected directly to the at least one plurality of transmission devices, with the individual cores of the multicore fiber aligned with respective devices in the at least one plurality of transmission devices. Further described are access networks and core networks incorporating a transmission link comprising at least one span of a multicore fiber. | 11-10-2011 |
| 20110280583 | Optical power transmission systems and methods - A system for delivering optical power over optical conduits includes at least one optical power source delivering multiple optical power forms to multiple outlet nodes in a variety of applications. | 11-17-2011 |
| 20110305459 | OPTICAL AMPLIFIER - Consistent with the present disclosure, an optical amplifier is provided that is configurable in one of two modes. In both modes, the optical service channel (OSC) may be dropped and converted to an electrical signal. In the first mode, the electrical signal is subject to further processing and the monitoring and/or control information carried by the OSC may be updated with new data. Such updated monitoring and control information is then supplied to an OSC transmitter and modulated onto an OSC output from the optical amplifier. In a second mode of operation (“loop back” mode), however, the monitoring and/or control information bypasses the processing noted above is looped back to the OSC transmitter unchanged. Accordingly, OSC monitoring and control information or data can be rapidly passed through the optical amplifier with little delay. Moreover, the optical amplifier may be configured to operate in either the first or second modes by appropriately configuring a switch. Thus, a standard optical amplifier can be used as a both a line amplifier, in which OSC data is processed and updated, as well as a booster amplifier in which such updating does not occur, for example, but the OSC data may be propagated to other amplifiers with little delay. | 12-15-2011 |
| 20120020672 | OPTICAL TRANSCEIVER HAVING AN OTDR MODE, AND A METHOD OF OBTAINING TEST DATA FOR TESTING AN OPTICAL FIBER - An optical transceiver has a communications mode and an optical time domain reflectometer (OTDR) mode. The transceiver comprises a transmitter channel and a receiver channel operable, in the communications mode, to respectively transmit and receive communications signals through respective external optical fibers. The transceiver also comprises a guide arrangement for guiding, in the OTDR mode, a reflected OTDR signal along a path from the transmitter channel into the receiver channel. A method of obtaining test data for an optical fiber in an optical data communications subsystem is also disclosed. | 01-26-2012 |
| 20120148257 | OPTICAL TRANSCEIVER USING SINGLE-WAVELENGTH COMMUNICATION - Disclosed herein is a single wavelength bi-directional optical transceiver for transmitting/receiving optical signals having the same wavelength through an optical communication system. The optical transceiver includes a transmitter including an isolator and converting an external input signal into an optical transmit signal, an optical filter reflecting some of the optical transmit signal and transmitting the other of the optical transmit signal, an optical fiber transmitting the optical transmit signal transmitted by the optical filter to a counterpart optical transceiver, a receiver receiving an optical receive signal from the counterpart optical transceiver via the optical fiber, and a body enclosing a portion of the transmitter, the optical filter, a portion of the optical fiber and a portion of the receiver. An incidence angle (θ | 06-14-2012 |
| 20120155886 | OPTICAL FIBER CONNECTOR - An optical fiber connector includes a circular polarizer, an optical electrical converter, and a transceiving module. The circular polarizer receives external optical signals from an optical fiber and divides the received optical signals into first optical signals and second optical signals. The optical electrical converter converts the first optical signals into first electrical signals. The transceiving module receives third electrical signals from ports of an optical communication device, and includes an optical electrical converting circuit and an electrical optical converting circuit. The optical electrical converting circuit converts the second optical signals into second electrical signals and transmits the second electrical signals to the optical communication device. The electrical optical converting circuit converts the third electrical signals into third optical signals and transmits the third optical signals to the optical fiber. The first electrical signals are used to drive the transceiving module. | 06-21-2012 |
| 20120177380 | Novel Low-Cost Transceiver Approach - A transceiver comprising a plurality of CMOS chips, a first chip comprising optical and optoelectronic devices and at least a second chip comprising electronic devices may be operable to communicate an optical source signal from a semiconductor laser into the first CMOS chip. The optical source signal may be used to generate first optical signals that may be transmitted from the first CMOS chip to optical fibers. Second optical signals may be received from the optical fibers and converted to electrical signals via photodetectors. The optical source signal may be communicated from the semiconductor laser 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 first CMOS chip via optical couplers, which may comprise grating couplers. | 07-12-2012 |
| 20120177381 | Method And System For A Photonic Interposer - Methods and systems for a photonic interposer are disclosed and may include receiving one or more continuous wave (CW) optical signals in a silicon photonic interposer from an external optical source, either from an optical source assembly or from optical fibers coupled to the silicon photonic interposer. The received CW optical signals may be processed based on electrical signals received from the electronics die. The modulated optical signals may be received in the silicon photonic interposer from optical fibers coupled to the silicon photonic interposer. Electrical signals may be generated in the silicon photonic interposer based on the received modulated optical signals, and may then be communicated to the electronics die via copper pillars. Optical signals may be communicated into and/or out of the silicon photonic interposer utilizing grating couplers. The electronics die may comprise one or more of: a processor core, a switch core, or router. | 07-12-2012 |
| 20120213527 | OPTOELECTRONIC DEVICE FOR BIDIRECTIONALLY TRANSPORTING INFORMATION THROUGH OPTICAL FIBERS AND METHOD OF MANUFACTURING SUCH A DEVICE - An optoelectronic device for bidirectionally transporting information through glass fibers between logically distributed users and a central station by means of transceivers of said central station. In particular, a set of several glass fibers ( | 08-23-2012 |
| 20130016979 | Optical Network Configuration with Intrinsic Delay for Swept-Wavelength Interferometry SystemsAANM Duncan; Roger GlenAACI ChristiansburgAAST VAAACO USAAGP Duncan; Roger Glen Christiansburg VA USAANM Childers; Brooks A.AACI ChristiansburgAAST VAAACO USAAGP Childers; Brooks A. Christiansburg VA US - A method, apparatus and optical network for obtaining a signal from a sensor in a fiber optic cable at a downhole location is disclosed. A reference signal is propagated through the fiber optic cable. A beam of light is received from the fiber optic cable, wherein the beam of light includes the propagated reference signal and the signal from the sensor generated from an interaction of the sensor and the reference signal. The propagated reference signal is obtained from the received beam of light. The signal from the sensors is obtained by sampling the received beam of light using the obtained propagated reference signal. | 01-17-2013 |
| 20130016980 | OPTICAL NETWORK WITH TUNABLE OPTICAL LIGHT SOURCESAANM Koka; PranayAACI AustinAAST TXAACO USAAGP Koka; Pranay Austin TX USAANM McCracken; Michael O.AACI AustinAAST TXAACO USAAGP McCracken; Michael O. Austin TX USAANM Schwetman, JR.; Herbert D.AACI AustinAAST TXAACO USAAGP Schwetman, JR.; Herbert D. Austin TX USAANM Zheng; XuezheAACI San DiegoAAST CAAACO USAAGP Zheng; Xuezhe San Diego CA USAANM Krishnamoorthy; Ashok V.AACI San DiegoAAST CAAACO USAAGP Krishnamoorthy; Ashok V. San Diego CA US - In a multi-chip module (MCM), integrated circuits are coupled by optical waveguides. These integrated circuits receive optical signals from a set of tunable light sources. Moreover, a given integrated circuit includes: a transmitter that modulates at least one of the optical signals when transmitting information to at least another of the integrated circuits; and a receiver that receives at least one modulated optical signal having a given carrier wavelength associated with the given integrated circuit when receiving information from at least the other of the integrated circuits. Furthermore, control logic in the MCM provides a control signal to the set of tunable light sources to specify carrier wavelengths in the optical signals output by the set of tunable light sources, thereby defining routing of at least the one of the optical signals in the MCM during communication between at least a pair of the integrated circuits. | 01-17-2013 |
| 20130016981 | PHOTOELECTRCI COVERSION SYSTEM WITH OPTICAL TRANSCEIVE MODULEAANM LIN; ERIC (Yuan Chieh)AACI Lake ForestAAST CAAACO USAAGP LIN; ERIC (Yuan Chieh) Lake Forest CA USAANM ZHAO; JIMAACI IrvineAAST CAAACO USAAGP ZHAO; JIM Irvine CA USAANM LIU; JIA-HAUAACI New TaipeiAACO TWAAGP LIU; JIA-HAU New Taipei TW - An optical coupling device includes a substrate loaded with a first optical module and IC drivers, and a second optical module intending to couple with the first optical module. The substrate defines an electrical connection port at one end thereof, the first optical module is located at another end of the substrate. The second optical module includes a first insulating holder and fiber cores embedded in the insulating holder. The first optical module includes a second insulating holders and VCSELS and PDS embedded with the second insulating holder, the fiber cores are directly coupled with VCSELS and PDS to transmit light lines therein. | 01-17-2013 |
| 20130028610 | RF COMMUNICATIONS DEVICE INCLUDING AN OPTICAL LINK AND RELATED DEVICES AND METHODS - A communications device includes a transmitter device including an optical source configured to generate an optical carrier signal, and a modulator coupled to the optical source and configured to modulate the optical carrier signal with an input signal having a first frequency, an optical waveguide coupled to the transmitter device, and a receiver device coupled to the optical waveguide. The receiver device includes an optical splitter, a first waveguide path coupled to the optical splitter and configured to filter a sideband from the modulated optical carrier signal, a second waveguide path coupled to the optical splitter and configured to generate a selected sideband from selectable sidebands based upon the modulated optical carrier signal, and an optical-to-electrical converter coupled to the first and second waveguide paths and configured to generate an output signal including a replica of the input signal at a second frequency based upon the selected sideband. | 01-31-2013 |
| 20130045014 | METHOD AND APPARATUS FOR TESTING USING A TRANSCEIVER MODULE - An apparatus in one embodiment includes a transceiver housing operable to be inserted into a port of a host system, the port comprising at least a first channel and a second channel. The transceiver housing may be a compact small form-factor (SFP) pluggable module housing. The apparatus also includes a printed circuit board mounted in the transceiver housing and an electrical interface of the printed circuit board operable to interface with the port of the host system. The electrical interface includes a first transmit pin and a first receive pin configured to interface with the first channel of the port and a second transmit pin and a second receive pin configured to interface with the second channel of the port. A first connector couples the first transmit pin and the second receive pin, and a second connector couples the second transmit pin and the first receive pin. | 02-21-2013 |
| 20130064553 | OPTICAL COMMUNICATION MODULE AND OPTICAL COMMUNICATION APPARATUS - An optical communication module comprising: a light emitting element to emit light; a light transmission medium to receive incidence of the light from the light emitting element; a diverging unit to be provided on the light transmission medium and to diverge some proportion of the light emitted from the light emitting element to the light transmission medium and propagating within the light transmission medium; and a first light receiving element to receive the light from the light emitting element, which is diverged by the diverging unit. | 03-14-2013 |
| 20130071127 | Two way burst mode digital optical cable communication system - A digital burst mode communication system operates at a fixed wavelength for transmission and reception of burst mode signals using a pair of transceivers and a single optical cable. The stray noise level in the system is significantly reduced by use of angled plate absorbers that receive scattered transmission burst signal from a 45 degree partially reflecting mirror. Isolation of received burst signal from transmitted burst signal is increased to better than 30 dB. The system operates by sending only data bits across the single optical cable without scrambling or encoding preambles, significantly improving the efficiency of high speed communication. | 03-21-2013 |
| 20130077978 | MULTI-CHANNEL TRANSCEIVER - A transceiver comprising at least one chip comprising at least a first array of long-wavelength VCSELs and at least a second array of receiving optical devices, an optical interface optically coupled to the VCSELs and the receiving optical devices and configured to optically couple with an optical connector, transmitting and receiving circuitry electrically connected the VCSELs and the receiving optical devices, and adapted for connecting to an electrical connector, and a frame for holding the chip, the optical interface, and the transmitting and receiving circuitry. | 03-28-2013 |
| 20130089337 | BIDIRECTIONAL OPTICAL TRANSCEIVER MODULE - Disclosed is a bidirectional optical transceiver module having an efficient optical coupling structure. The bidirectional optical transceiver module according to an exemplary embodiment of the present disclosure includes a first structure which has a hexahedron shape, has four side surfaces of which two side surfaces are formed to be inclined at a predetermined angle with respect to a bottom surface, and is transparent to both a transmitted light component and a received light component; and at least one second structure which has a planar shape, is inserted in the first structure so as to form a right angle with the bottom surface of the first structure and be tilted by a predetermined angle from a direction of the transmitted light component or the received light component, and is transparent to one of the transmitted light component and the received light component and reflective of the other one. | 04-11-2013 |
| 20130094864 | OPTICAL INTERFACE FOR BIDIRECTIONAL COMMUNICATIONS - An optical interface comprising a first portion having at least one optical conduit interface with a first axis for optically coupling with at least one optical conduit, a second portion having at least one transmitter interface with a second axis for optically coupling with a transmitting optical device, and at least one receiver interface with a third axis for optical coupling with a receiving optical device, the first, second and third axes being essentially parallel; and a wavelength filter element (WFE) disposed between the first and second portions, the WFE defining a first optical path between the transmitter interface and the optical conduit interface, and a second optical path between the optical conduit interface and the receiver interface. | 04-18-2013 |
| 20130101299 | METHOD AND DEVICE FOR SENDING/RECEIVING ELECTROMAGNETIC SIGNALS RECEIVED/SENT ON ONE OR MORE FIRST FREQUENCY BANDS - In order to send electromagnetic signals received on one or more first frequency bands, the method applies a transformation to the signals, by performing the following actions: selecting first frequency subbands, forming a first set of frequency subbands of the first frequency band(s); using organization rules to associate one or more second sets of frequency subbands, forming one or more second frequency bands, with each first frequency subband of the first set; and using optimization rules to determine frequency translations to transpose the signals received in the first frequency subbands into signals sent in the second frequency band(s). | 04-25-2013 |
| 20130129360 | 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 |
| 20130148978 | CHIP IDENTIFICATION PADS FOR IDENTIFICATION OF INTEGRATED CIRCUITS IN AN ASSEMBLY - Chip identification pads for identification of integrated circuits in an assembly. In one example embodiment, an integrated circuit (IC) assembly includes a controller, a plurality of ICs, a shared communication bus connecting the controller to the plurality of ICs and configured to enable communication between the controller and each of the plurality of ICs, and a set of one or more chip identification pads formed on each IC. Each set of chip identification pads has an electrical connection pattern. The electrical connection pattern of each set is distinct from the electrical connection pattern on every other set. Each distinct electrical connection pattern represents a unique identifier of the corresponding IC thereby enabling the controller to distinguish between the ICs. | 06-13-2013 |
| 20130148979 | OPTICAL TRANSCEIVER DEVICE - An optical transceiver device includes a transmitter, a first and a second optical circulators and a receiver. The transmitter transmits a light signal uploaded with an electrical signal. The first and second optical circulators each include three ports. The second port of the second optical circulator is configured for transmitting the light signal circulated via the first and second ports of the first optical circulator and the first port of the second optical circulator, and the third port of the second optical circulator is configured for receiving an incoming light signal. The receiver receives the incoming light signal circulated back via the first port of the second optical circulator, and the second and third ports of the first optical circulator and converts the incoming light signal to be an electrical signal. | 06-13-2013 |
| 20130177323 | MICROPROCESSOR CHIP, DATA CENTER, AND COMPUTING SYSTEM - A microprocessor chip includes a plurality of processors; at least one first optical input/output unit configured to receive optical signals from an external device and transmit optical signals to the external device; and an optical system bus that is connected between the plurality of processors and the at least one first optical input/output unit. | 07-11-2013 |
| 20130183044 | TUNABLE BI-DIRECTIONAL TRANSCEIVER - A transceiver includes an optical waveguide and a first filter optically coupled to the optical waveguide and operable to filter a first optical signal in a first wavelength band propagating downstream. A center wavelength of the first wavelength band is tunable. The transceiver also includes a first receiver optically coupled to the first filter and a second filter optically coupled to the optical waveguide and operable to filter a second optical signal in a second wavelength band propagating downstream. The second wavelength band is different from the first wavelength band. The transceiver further includes a second receiver optically coupled to the second filter to receive the second optical signal and a laser optically coupled to the optical waveguide and operable to output radiation in a third wavelength band propagating upstream. The third wavelength band is different from both the first wavelength band and the second wavelength band. | 07-18-2013 |
| 20130188966 | OPTICAL DEVICE, AND SYSTEM AND METHOD FOR MANAGING OPTICAL DEVICE - The present invention relates to an optical device, including: an optical module, configured to implement an optical function of the optical device and including several outlet ports; and an identification module, containing identification information for identifying the optical device. The present invention further relates to a system and method for managing an optical device, where the system includes: an interface apparatus, configured to couple multiple optical devices; an identification information obtaining apparatus, configured to obtain identification information of the optical devices and/or identification information of outlet ports of the multiple optical devices through the interface apparatus; and a control apparatus, configured to manage the optical devices according to the obtained identification information. | 07-25-2013 |
| 20130287406 | OPTICAL TRANSCEIVER MODULE - The present invention provides an optical transceiver module, comprising: a circuit substrate; a z-axis positioning base connected to the circuit substrate that, wherein the z-axis positioning base comprises two first sides respectively provided on two lateral sides of the optical transceiver sub-module, a second side provided between and connecting the two first sides, an opening corresponding in position to a side of the optical transceiver sub-module that faces away from the second side, and a step difference provided on each of the two first sides and the second side; a fiber-optic lens element provided on the z-axis positioning base and comprises a cover and a fiber-optic lens sub-module, wherein the cover comprises a recess and step differences surrounding the recess and respectively corresponding in position to the step differences provided on the z-axis positioning base, so as for the cover to be fitted on the z-axis positioning base. | 10-31-2013 |
| 20130287407 | Hybrid Multichannel or WDM Integrated Transceiver - Various embodiments of a hybrid multichannel or WDM integrated transceiver are presented. In one aspect, a transceiver includes a transmitter portion and a receiver portion. The transmitter portion includes an optical waveguide structure that includes multiple channels of optical waveguide modulators on a substrate. The receiver portion includes at least one surface light illuminated photodetector. | 10-31-2013 |
| 20130294779 | CIRCUIT BOARD ASSEMBLY EMPLOYING OPTICAL TRANSCEIVER FOR SIGNAL TRANSMISSION - A circuit board assembly includes a first circuit board, an optical transceiver, a second circuit board, and a number of light wave guides. The first circuit board includes a lower surface. The optical transceiver is mounted on the lower surface for sending and receiving light beams. The second circuit board is electrically connected to the first circuit board and includes a top surface facing the lower surface. The light wave guides are mounted on the top surface and optically coupled with the optical transceiver for transmitting the light beams. | 11-07-2013 |
| 20130302036 | CIRCUIT BOARD ASSEMBLY HAVING OPTICAL TRANSCEIVERS FOR SIGNAL TRANSMISSION - A circuit board assembly includes a first circuit board, and a second circuit board, a first optical transceiver, a number of first light wave guides, a second optical transceiver, and a number of second light wave guides. The first circuit board defines a number of first through holes. The second circuit board defines a number of second and third through holes. Each of the third through holes is aligned with a respective first though hole. The first optical transceiver is optically coupled with the second through holes. The first light wave guides are mounted on one surface of the first circuit board and optically coupled with the second through holes. The second optical transceiver is optically coupled with the third through holes. The second light wave guides are mounted on another surface of the first circuit board and are optically coupled with the first through holes. | 11-14-2013 |
| 20130343765 | OPTICAL NETWORK SYSTEM AND METHOD - A method for an optical network system and an optical network system comprising a first optical network unit a second optical network unit including a receiver and a transmitter, wherein the first optical network unit is coupled with the receiver and the transmitter via an asymmetric optical coupling device. | 12-26-2013 |
| 20140029953 | Optical Coupling Unit for an Arrangement for Sending Optical Signals, an Arrangement for Sending Optical Signals and an Optical Transceiver - The invention relates to an optical coupling unit for an arrangement for sending optical signals, including a base unit, a light path formed between a light input and a light output of the base unit and configured to transmit light received via the light input to the light output, an outer light path section included in the light path, which section extends outside the base unit and into which the light transmitted along the light path emerges from the base unit via a light exit and from which the light after passing through the outer light path section enters again into the base unit via a light entry, and a light decoupling element, which is formed in the light path by means of at least one beamsplitting surface coating and configured to decouple a portion of the light transmitted along the light path. Furthermore the invention relates to an arrangement for sending optical signals and to an optical transceiver. | 01-30-2014 |
| 20140050490 | OPTOELECTRONIC COMPONENT - This invention relates to an optoelectronic transceiver which has the following: an optical transmitter, an optical receiver, coupling means consisting of a first and second optical lens made with optically active interfaces for changing/deflecting optical paths of on the one hand optical output signals A of the optical transmitter to a connectable optical light guide and on the other hand of input signals E of the same light guide to the receiver, characterized in that the first lens has a concave reflection surface which lies inside in the coupling means for signals of the optical transmitter and the second lens has a convex transmission surface which lies outside for outgoing signals of the optical transmitter and a concave reflection surface which lies inside for incoming signals. | 02-20-2014 |
| 20140050491 | 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. | 02-20-2014 |
| 20140064741 | OPTICAL COMMUNICATION DEVICE - An optical communication device includes a substrate, a photoelectric element for emitting/receiving optical signals, a driver chip for driving the photoelectric, and a light waveguide for transmitting optical signals. The substrate defines a through fixing hole. The photoelectric element and the driver chip are electrically connected to the substrate. The photoelectric element includes a base portion and an optical portion formed on the base portion. The optical portion includes an optical surface serving as a light emergent/incident surface, the optical surface faces toward the substrate, and the optical portion is aligned with the fixing hole. An end of the light waveguide is inserted and fixed into the fixing hole and is optically aligned with the optical portion. | 03-06-2014 |
| 20140093251 | OPTICAL INTERCONNECTION TO AN INTEGRATED CIRCUIT - A system comprises an interposer positioned between an integrated circuit and a system planar. An electrical/optical transceiver is coupled to the interposer, wherein the electrical/optical transceiver converts electrical signals into optical signals. The interposer comprises a first set of electrical conductors that is electrically coupled to non-Input/Output (I/O) electrical connectors on the integrated circuit, and wherein the first set of electrical conductors passes through the interposer to directly connect the non-I/O electrical connectors on the integrated circuit to the system planar. The interposer further comprises a second set of electrical conductors that is electrically coupled to input/output (I/O) electrical connectors on the integrated circuit, wherein the second set of electrical conductors traverses through the interposer to the electrical/optical transceiver to convert electrical I/O signals from the integrated circuit into optical I/O signals. | 04-03-2014 |
| 20140099124 | HIGH-DENSITY FIBER COUPLING AND EMISSION/DETECTION SYSTEM - An optical system including an array of photonic devices that convert light signals to electrical signals or electrical signals to light signals are coupled together and optically coupled to an array of optic fibers of an information channel. A lens couples optical beams generated to at least one array of photonic devices and the array of optic fibers for an optical communication there-between. The array of photonic devices and the array of optic fibers are respectively arranged in a honeycomb configuration. | 04-10-2014 |
| 20140105612 | OPTICAL ENGINE ASSEMBLY AND TRANSCEIVER USING THE SAME - An optical engine assembly includes a bench, an optoelectronic device, a fixed member and a plurality of fibers. The bench has a bearing surface and an extended sidewall with a predetermined height from the bearing surface. The sidewall has an upper surface parallel to the bearing surface. The optoelectronic device is disposed on the center of the upper surface and includes a plurality of active areas. The fixed member is disposed on the bearing surface and has a plurality of through holes and two pin holes. The fibers respectively pass through the through holes and a 45-degree beveled surface is formed at the front end of each fiber. The 45-degree beveled surfaces are aligned with the active areas, respectively. | 04-17-2014 |
| 20140112669 | INTEGRATED OPTICAL NETWORK UNIT - An optical network unit includes a transmit/receive port and a silicon waveguide optically coupled to the transmit/receive port. The optical network unit also includes a tunable filter coupled to the silicon waveguide and providing a first output for a first frequency band and a second output for a second frequency band. The optical network unit further includes a polarization diverse receiver coupled to the tunable filter and a laser coupled to the tunable filter. | 04-24-2014 |
| 20140119738 | SINGLE-LAYER OPTICAL POINT-TO-POINT NETWORK - In a multi-chip module (MCM), first and second optical waveguides convey optical signals among integrated circuits. The first and second optical waveguides may be implemented in a first layer or plane on a substrate. Moreover, bridge chips in a second plane may be used to couple the optical signals between the first or second optical waveguides and the integrated circuits. By using a single layer for optical routing, the MCM may provide a point-to-point network among the integrated circuits without optical-waveguide crossing. | 05-01-2014 |
| 20140169801 | SEMICONDUCTOR PACKAGE WITH OPTICAL PORT - Described herein are technologies related to a semiconductor package that is installed in a portable device for data communications. More particularly, the semiconductor package that contains a memory, a digital logic chip, and an optical port in a single module or mold is described. | 06-19-2014 |
| 20140178079 | OPTICAL MODULE - An optical module includes: a first circuit board that has a first edge connector and a connector socket; and an optical transceiver module that is electrically connected to the first circuit board via the connector socket. The optical transceiver module includes a second circuit board on which an E/O converter, a drive circuit that drives the E/O converter, an O/E converter, and a current-to-voltage conversion circuit that converts an output current of the O/E converter into a voltage signal are mounted. The second circuit board has a second edge connector corresponding to the connector socket mounted on the first circuit board. Signal lines of the drive circuit are pulled out from the drive circuit in a first direction. Signal lines of the current-to-voltage conversion circuit are pulled out from the current-to-voltage conversion circuit in a second direction that is substantially opposite to the first direction. | 06-26-2014 |
| 20140186054 | TRANSPORTING MULTIPLE LOW-SPEED DATA STREAMS ACROSS A HIGH-SPEED COMMUNICATION LINK - A method and apparatus for transporting multiple low-speed data streams across a high-speed communication channel or link. In one embodiment of the method, first and second data streams are transmitted at first and second data transmission rates, respectively, via an optical cable, wherein the first and second data transmission rates are distinct. Components of the first data stream are transmitted via the optical cable between transmission of components of the second data stream via the optical cable, and components of the second data stream are transmitted via the optical cable between transmission of components of the first data stream via the optical cable. | 07-03-2014 |
| 20140241734 | LIGHT EMITTING DEVICE, MANUFACTURING METHOD THEREOF, AND OPTICAL TRANSCEIVER - The light emitting device includes an active layer formed on a semiconductor substrate for emitting light, a semiconductor layer of a first conductivity type electrically connected to one end of the active layer, a semiconductor layer of a second conductivity type electrically connected to the other end of the active layer, first and second electrodes, a feedback mechanism for laser oscillation, and a waveguide for guiding the light emitted from the active layer, in which the active layer is made of a semiconductor having an affinity with a silicon CMOS process, and the semiconductor layer of the first conductivity type and the semiconductor layer of the second conductivity type, and the waveguide are each made of silicon as a part of the semiconductor substrate. | 08-28-2014 |
| 20140255043 | OPTICAL COMMUNICATION DEVICE WITH PLANAR OPTICAL WAVEGUIDE - An optical communication device includes a planar optical waveguide, a first substrate, a light emitting element, and a light receiving element. The planar optical waveguide includes a top surface and a light guide portion. The light guide portion includes a first sloped surface and a second sloped surface. The first substrate includes a mounting surface. The first substrate is supported on the top surface. An end of the first substrate defines a first receiving hole. The other end of the first substrate defines a second receiving hole. The light emitting element is received in the first receiving hole and faces the first sloped surface at about a 45 degree angle. The light receiving element is received in the second receiving hole and faces the second sloped surface at about a 45 degree angle. | 09-11-2014 |
| 20140286647 | Method And System For A Low-Voltage Integrated Silicon High-Speed Modulator - Methods and systems for a low-voltage integrated silicon high-speed modulator may include an optical modulator comprising first and second optical waveguides and two optical phase shifters, where each of the two optical phase shifters may comprise a p-n junction with a horizontal section and a vertical section and an optical signal is communicated to the first optical waveguide. A portion of the optical signal may then be coupled to the second optical waveguide. A phase of at least one optical signal in the waveguides may be modulated utilizing the optical phase shifters. A portion of the phase modulated optical signals may be coupled between the two waveguides, thereby generating two output signals from the modulator. A modulating signal may be applied to the phase shifters which may include a reverse bias. | 09-25-2014 |
| 20140294400 | OPTICAL MODULE AND OPTICAL TRANSCEIVER MODULE - An optical module includes a first light-guide element, an optical element, a first optical fiber, and a beam splitter. The first light-guide element includes a first surface and a second surface. The optical element corresponds to the first surface. The first optical fiber is contacted with the second surface. The beam splitter is attached to the first surface, the beam splitter partially reflects and partially transmits a light beam striking thereon. A refractive index of the beam splitter is different from a refractive index of the first light-guide element. | 10-02-2014 |
| 20140314423 | Optoelectronic Module With Flexible Substrate - An optoelectronic module for data communication through an optical fiber. The optoelectronic module may comprise a base, an outer cap, an inner cap, a flexible substrate, an attachment member, a moisture barrier and an optoelectronic module. The outer cap may have a first cavity and coupled with the base. A slit may be formed on the outer cap. The flexible substrate may be extended through the slit of the outer cap. The inner cap may be disposed within the first cavity. The inner cap may comprise a second cavity. The attachment member may be disposed within the first cavity and configured to attach the inner cap to the base. The moisture barrier may be disposed within the first cavity and encapsulates the attachment member. The optoelectronic component may be disposed within the second cavity and proximate to the flexible substrate. | 10-23-2014 |
| 20140314424 | OPTICAL COMMUNICATION APPARATUS - An optical communication apparatus includes a PCB, a photoelectric unit, a fixing board, a coupler, and an optical fiber unit corresponding to the photoelectric unit. The photoelectric unit is electrically connected to a surface of the PCB, the fixing board is securely positioned on the surface of the PCB, and the coupler unit is connected to the fixing board. The fixing board defines a through opening portion exposing the photoelectric unit. The coupler includes a lens unit corresponding to the photoelectric unit. One of the fixing board and the coupler defines a number of positioning holes, the other of the fixing board and the coupler includes a number of positioning poles corresponding to the positioning holes. The positioning poles are inserted into the corresponding positioning holes. The lens unit is aligned with the photoelectric unit by an engagement between the positioning poles and the positioning holes. | 10-23-2014 |
| 20140341590 | OPTICAL COMMUNICATION DEVICE - An optical communication device includes a printed circuit board (PCB), a light emitting element, a light receiving element, and a light waveguide. The PCB includes a substrate. The substrate includes a first end surface and a second end surface opposite to the first end surface. The light emitting element is electrically connected to the first end surface. The light receiving element is electrically connected to the second end surface. The light waveguide includes a light incident end and a light emergent end. The light waveguide is embedded in the substrate. The light incident end is exposed to the first end surface and optically aligned with the light emitting element along a transmitting direction of the light waveguide. The light emergent end is exposed to the second end surface and optically aligned with the light receiving element along the transmitting direction of the light waveguide. | 11-20-2014 |
| 20140348512 | METHOD AND APPARATUS FOR PERFORMING DATA RATE CONVERSION AND PHASE ALIGNMENT - A gearbox IC is incorporated into an optical communications system to enable an optical link that incorporates the system to achieve data rates that are at least double that which are currently achievable in optical links. The gearbox IC is compatible with ASIC designs currently used in optical fiber links. The gearbox IC enables the data rate of the optical fiber link to be dramatically increased without requiring a redesign of the ASIC that is currently used in the optical fiber link. The gearbox IC performs data rate conversion and phase alignment for bit streams being transferred via the gearbox IC between the ASIC and an optical transceiver module of the optical communications system. | 11-27-2014 |
| 20150063821 | APPARATUS AND METHOD FOR EFFICIENT TWO-WAY OPTICAL COMMUNICATION WHERE TRANSMITTER MAY INTERFERE WITH RECEIVER - An two-way optical communication apparatus, including a transmit element, a receive element, and a transceive processor. The transmit element is coupled to a light pipe, and transmits a first signal. The receive element is coupled to the light pipe, and receives a second signal. The transceive processor directs the transmit element to pause and then resume transmitting the first signal during first intervals, and directs the receive element to sample for the second signal during one or more second intervals within each of the first intervals, where the each of the first intervals is less than a first value and the first intervals occur at a duty cycle no greater than a second value, and where the first and second values are controlled by the transceive processor such that a user perceives the first optical signal as having a constant state for a third interval. | 03-05-2015 |
| 20150078760 | OPTICAL TRANSCEIVER HAVING INNER FIBERS FOR COUPLING OPTICAL RECEPTACLE WITH TRANSMITTER AND RECEIVER MODULES - An optical transceiver that implements an inner fiber to optically connect an optical receptacle with an optical module is disclosed. The optical module in a ceiling thereof forms a gap against a printed circuit board (PCB) electrically connected with the optical module by a flexible printed circuit (FPC) board. The inner fiber is extended in a gap formed between the PCB and the FPC, or between the FPC and the ceiling of the optical module. | 03-19-2015 |
| 20150098710 | 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. | 04-09-2015 |
| 20150110499 | OPTICAL COMMUNICATION MOUNT FOR MOUNTING AND ALIGNING OPTICAL FIBERS WITH PHOTO DEVICES - An optical communication mount configured for surface mounting of optical transmitters, receivers or transceivers. The mount includes a housing having holes extending from the back side to the front side of the housing. The mount includes a first set of electrically-conductive traces disposed on a bottom side of the housing for surface mounting the mount on a printed circuit board (PCB), and a second set of electrically-conductive traces disposed on the front side of the housing. The mount also includes optical fibers extending into the thru-holes from the back side of the housing. The mount includes photo devices substantially registered with the thru-holes at the front side of the housing in a manner to receive and/or transmit more optical signals by way of the optical fibers, wherein the photo devices are configured to receive bias voltages from the PCB by way of the first and second sets of electrically-conductive traces. | 04-23-2015 |
| 20150139662 | Heat Dissipation with an On-Board Connector - Electronic or opto-electronic on-board connector and method to dissipate heat from such a connector. The connector is positioned within the scope of a cooling air flow. The component includes a heat sink with a heat sink base carrying a plurality of upwardly extending elements, such as pins or fins. The heat sink base makes an angle with the flow direction of the cooling air flow. | 05-21-2015 |
| 20150304047 | OPTICAL COMMUNICATION DEVICE - An optical communication device includes a light emitting element including a light emitting surface, a processor, a first controller electrically connected to the light emitting element and electrically connected to the processor, a light receiving element including a light receiving surface, a storing element, a second controller electrically connected to the light receiving element and electrically connected to the storing element, a first coating element coating the light emitting element, the first controller, the processor, the light receiving element, the second controller, and the storing element, a planar optical waveguide, and two reflecting elements. The first coating element includes a supporting surface. The supporting surface defines two light guiding holes. The planar optical waveguide is positioned on the supporting surface, and defines two through holes. Each through hole spatially corresponds to and communicates with a light guiding hole. Each reflecting element is received in a through hole. | 10-22-2015 |
| 20150316732 | Opto-Electrical Transceiver Module and Active Optical Cable - An opto-electrical transceiver module and an active optical cable comprising such a module are disclosed. The module includes a first printed circuit board and a second printed circuit board. The first printed circuit board carries 1) a light sources with driver circuitry that converts incoming electrical signals to optical signals, 2) optical receiver components with amplifier circuitry that converts optical signals to electrical signals, 3) a single optical coupling unit configured to optically coupling waveguides of an optical cable to the light sources as well as to the optical receiver components, and (4) one or more electrical contacts configured to connect to a host device. The second printed circuit board includes electrical contacts connected to the driver circuitry or to the amplifier circuitry on the first printed circuit board. | 11-05-2015 |
| 20150341118 | OPTICAL TRANSCEIVER MODULE AND METHOD OF ASSEMBLING THE SAME - An optical transceiver module includes a first flexible circuit board and a second flexible circuit board; a light receiving unit and a light transmitting unit disposed on the first flexible circuit board and the second flexible circuit board, respectively; a printed circuit board connected to the first flexible circuit board and the second flexible circuit board, and including a connecting point; and a signal processing unit disposed on at least one of the first flexible circuit board, the second flexible circuit board, and the printed circuit board. The signal processing unit processes optical signals received by the light receiving unit and transmits the signals to the connecting point of the printed circuit board, and processes electrical signals transmitted from the connecting point of the printed circuit board and transmits the signals out through the light transmitting unit. | 11-26-2015 |
| 20150341119 | MULTI-SUBSTRATE ELECTRO-OPTICAL INTERCONNECTION SYSTEM - An intra-board chip-to-chip optical communications system has a high bit rate and high data throughput based on the use of a silicon photonic interposer. The system includes a multi-substrate electro-optical structure for communications with CMOS and/or BiCMOS IC chips of a PCB. The structure includes a multi-chip module primary substrate mounted over the supporting PCB. The multi-chip module primary substrate implements high frequency electrical interconnections between transceiver circuit chips, mounted on the silicon photonic interposer, and the IC chips. | 11-26-2015 |
| 20150349889 | BI-DIRECTIONAL OPTICAL TRANSCEIVER MODULE - Disclosed is a bi-directional optical transceiver module, which is capable of effectively separating optical signals even when wavelength bands of a first optical signal output from an optical fiber and a second optical signal output from an optical transmitter are narrow. | 12-03-2015 |
| 20150358083 | MONOLITHIC SILICON COHERENT TRANSCEIVER WITH INTEGRATED LASER AND GAIN ELEMENTS - Disclosed are structures and methods for a monolithic silicon (Si) coherent transceiver with integrated laser and gain elements wherein an InP chip is bonded to the Si chip in a recess formed in that Si chip. | 12-10-2015 |
| 20150365171 | OPTICAL TRANSCEIVER MODULE - An optical transceiver module includes an optical fiber and an optical fiber positioning structure that fixes the optical fiber. The optical fiber positioning structure includes a first positioning part that fixes the said optical fiber, and a first supporting part that fixes the first positioning part on a case of the optical transceiver module. The first positioning part includes a first end face and a second end face opposite to one another, and a first through-hole that connects the first and second end faces. The inner diameter of the first through-hole is substantially equal to the diameter of the optical fiber, and the optical fiber is fixed within the first through-hole. The first supporting part includes an accommodating portion for accommodating the first positioning part. The first positioning part is fixed in the accommodating portion. | 12-17-2015 |
| 20150378107 | OPTICAL COMPONENT ASSEMBLY, OPTICAL RECEPTACLE, AND TRANSCEIVER MODULE FOR OPTICAL COMMUNICATIONS - An optical component assembly includes a light-guiding member; a cylindrical member which retains the light-guiding member in a through hole thereof; and a projection which is provided at one end of the cylindrical member so as to extend beyond an outer periphery of the cylindrical member, and is engageable in a groove which is formed in a cylindrical shell so as to extend in an axial direction of the cylindrical shell and then turn at a distal end thereof in a circumferential direction of the cylindrical shell. By fixing the cylindrical shell to the projection, the cylindrical shell becomes attachable and detachable. It is possible to provide an optical receptacle and a transceiver module for optical communications having easy removal of foreign matters. | 12-31-2015 |
| 20160013865 | Micro-Disc Modulator, Silicon Photonic Device and Optoelectronic Communication Apparatus Using the Same | 01-14-2016 |
| 20160013866 | MULTICHANNEL COHERENT TRANSCEIVER AND RELATED APPARATUS AND METHODS | 01-14-2016 |
| 20160020912 | OPTICAL CABLE ASSEMBLIES WITH LOW-SPEED DATA PASS-THROUGH ARCHITECTURE AND SLEEP MODE OPERATION - Optical cable assemblies, optical engines, and methods for transitioning into and out of a sleep mode are disclosed. In one embodiment, a method of operating a sleep mode of an optical cable assembly includes receiving a sleep trigger, and for a time T | 01-21-2016 |
| 20160043808 | OPTICAL TRANSCEIVER - An optical transceiver includes a main board, a fiber joint, a circuit board, a transfer board, metal traces, photoelectric elements, a lens set, a connection base, and an amplifier. The fiber joint is coupled to the lens set and connection base for positioning plural optical fibers. The connection base is coupled to the main board, and the circuit board is electrically connected to the main board. The transfer board is disposed between the fiber joint and circuit board. Each of the metal traces is arranged on both of two neighboring surfaces of the transfer board. The photoelectric elements are respectively coupled to metal traces on the surface of the transfer board facing the fiber joint, and axially aim to the optical fibers, respectively. The amplifier electrically connects the circuit board and the photoelectric elements via the metal traces. | 02-11-2016 |
| 20160070076 | OPTICAL COUPLING LENS AND OPTICAL FIBER COUPLING CONNECTOR - An optical coupling lens includes three main bodies, the main body further includes a bottom surface, a top surface opposite to the bottom surface, an alignment surface, a first side surface, a second side surface, a third side surface, and a fourth side surface. The alignment surface, the first side surface, the second side surface, the third side surface, and fourth side surface are interconnected between the top surface and the bottom surface, and are connected to each other end to end. The three main bodies connect to each other end to end, and the third side surface of one of the main bodies correctly aligns with the fourth side surface of another of the main bodies. | 03-10-2016 |
| 20160103286 | OPTICAL TRANSCEIVER IMPLEMENTING ERBIUM DOPED FIBER AMPLIFIER - An optical transceiver that installs an optical modulator with the Mach-Zehnder type and made of primarily semiconductor materials, and an Erbium Doped Fiber Amplifier (EDFA) is disclosed. The EDFA and the MZ modulator, in addition to a wavelength tunable laser diode, an intelligent coherent receiver, and a polarization maintaining splitter, are installed within a compact case following the standard of CFP2. | 04-14-2016 |
| 20160149644 | OPTICAL COMMUNICATION MODULE - Optical communication module. The optical communication module includes an optical-connector input and output unit that is provided on a first face of a substrate, the optical-connector input and output unit including a first light reflection member which is arranged at each of N grid points and which reflects incident light at a right angle; an optical-device optical input and output unit that is provided in adjacent to the optical-connector input and output on the first face of the substrate including N second light reflection members which are arranged in a linear manner with spaces therebetween; a plurality of optical waveguides that are provided on the first face of the substrate; and an optical device that is provided on a second face of the substrate, the optical device including N light-receiving units or N light-emitting units which are aligned with N light transmission units of the substrate. | 05-26-2016 |
| 20160156414 | 2 X 40 GBPS BIDI OPTICAL TRANSCEIVER | 06-02-2016 |
| 20160182151 | METHOD AND SYSTEM FOR AN OPTICAL CONNECTION SERVICE INTERFACE | 06-23-2016 |
| 20160202433 | Photoelectric Converter and Photoelectric Connection Device | 07-14-2016 |
| 20160203101 | Pulsed Light Communication Key | 07-14-2016 |
