Class / Patent application number | Description | Number of patent applications / Date published |
385050000 | Waveguide to waveguide | 49 |
20080240656 | Integrated electronic components and methods of formation thereof - Provided are integrated electronic components which include a waveguide microstructure formed by a sequential build process and an electronic device, and methods of forming such integrated electronic components. The microstructures have particular applicability to devices for transmitting electromagnetic energy and other electronic signals. | 10-02-2008 |
20080279505 | OPTICAL COUPLING STRUCTURE - The present invention provides an apparatus and method for operation therefore. The apparatus, in one embodiment, includes an optical coupling structure disposed within a cladding region, wherein the optical coupling structure includes a first guiding portion and a second guiding portion. In this embodiment the first guiding portion has a first end proximate a core of a planar waveguide, and a second end proximate the second guiding portion and having a first thickness. Moreover, in this embodiment the second guiding portion has a first end proximate the first guiding portion and a second end, the second end of the second guiding portion having a second thickness less than the first thickness. | 11-13-2008 |
20080285920 | COUPLING ELEMENT ALIGNMENT USING WAVEGUIDE FIDUCIALS - An optical assembly includes a waveguide assembly and an optical coupling element. The waveguide assembly includes a core, a cladding portion, and, preferably, at least two waveguide core fiducials, the at least two waveguide core fiducials and the core being lithographically formed substantially simultaneously in a substantially coplanar layer The core and the at least two waveguide core fiducials are formed in a predetermined relationship with the cladding portion. The optical coupling element (for example, a lens array or mechanical transfer (MT) ferrule), includes an optical element and, preferably, at least two alignment features associated with the optical element, the at least two alignment features being mated with the at least two waveguide cote fiducials to accurately position the optical element with respect to the core in an X-Y plane A method of alignment is also provided | 11-20-2008 |
20080292244 | Optical fiber, sealing method for optical fiber end face, connection structure of optical fiber, and optical connector - An optical fiber includes a core, a clad formed around the core, a plurality of holes being formed in the clad, and a hardening resin having a moisture permeability equal to or less than 0.5 g/cm | 11-27-2008 |
20090067787 | Optical System and Method of Manufacturing the Same - An optical system comprising a substrate and an optical waveguide which is formed on the substrate and to which optical fibers are optically coupled. The optical waveguide has a plurality of straight core portions which obliquely intersect each other. The substrate has positioning sections for positioning a plurality of optical fibers optically coupled to two or more of the plurality of the core portions, the positioning sections having grooves on which the respective optical fibers are supported. When the plurality of optical fibers are supported on the respective grooves, offsets between centers of the plurality of the core portions and respective centers of the plurality of the optical fibers coupled to the core portions are equal to or less than 5 μm. | 03-12-2009 |
20090080835 | OPTICAL FIBER LASER, AND COMPONENTS FOR AN OPTICAL FIBER LASER, HAVING REDUCED SUSCEPTIBILITY TO CATASTROPHIC FAILURE UNDER HIGH POWER OPERATION - Optical fiber lasers and components for optical fiber laser. An optical fiber laser can comprise a fiber laser cavity having a wavelength of operation at which the cavity provides output light, the cavity including optical fiber that guides light having the wavelength of operation, the fiber having first and second lengths, the first length having a core having a V-number at the wavelength of operation and a numerical aperture, the second length having a core that is multimode at the wavelength of operation and that has a V-number that is greater than the V-number of the core of the first length optical fiber at the wavelength of operation and a numerical aperture that is less than the numerical aperture of the core of the first length of optical fiber. At least one of the lengths comprises an active material that can provide light having the wavelength of operation via stimulated emission responsive to the optical fiber receiving pump light. Components include a mode field adapter and optical fiber interconnection apparatus, which can be used to couple the first and second lengths of optical fiber, or can couple the fiber laser to an optical fiber power amplifier, which can be a multimode or single mode amplifier. | 03-26-2009 |
20090110354 | Glass-based micropositioning systems and methods - A method of forming a microbump for micropositioning an optical element comprises providing a base substrate, providing a first optical element to be supported by the base substrate, and providing an alignment element capable of locally expanding when locally heated and adapted to support the first optical element from the base substrate. The method further comprises locally heating the alignment element to cause local expansion of the alignment element so as to create a microbump alignment element, terminating heating of the alignment element so as to fix the microbump and securing the alignment element to the base substrate, thereby supporting the first optical element from the base substrate. | 04-30-2009 |
20090136181 | METHODS, MATERIALS AND DEVICES FOR LIGHT MANIPULATION WITH ORIENTED MOLECULAR ASSEMBLIES IN MICRONSCALE PHOTONIC CIRCUIT ELEMENTS WITH HIGH-Q OR SLOW LIGHT - An optical device that comprises an input waveguide, an output waveguide, a high-Q resonant or photonic structure that generate slow light connected to the input waveguide and the output waveguide, and an interface, surface or mode volume modified with at least one material formed from a single molecule, an ordered aggregate of molecules or nanostructures. The optical device may include more than one input waveguide, output waveguide, high-Q resonant or photonic structure and interface, surface or mode volume. The high-Q resonant or photonic structure may comprise at least one selected from the group of: microspherical cavities, microtoroidal cavities, microring-cavities, photonic crystal defect cavities, fabry-perot cavities, photonic crystal waveguides. The ordered aggregate of molecules or nanostructures comprises at least one selected from the group of: organic or biological monolayers, biological complexes, cell membranes, bacterial membranes, virus assemblies, nanowire or nanotube assemblies, quantum-dot assemblies, one or more assemblies containing one or more rhodopsins, green fluorescence proteins, diarylethers, lipid bilayers, chloroplasts or components, mitochondria or components, cellular or bacterial organelles or components, bacterial S-layers, photochromic molecules. Further, the molecular aggregate may exhibit a photoinduced response. | 05-28-2009 |
20090154882 | Means of Coupling Light Into Optical Fibers and Methods of Manufacturing a Coupler - The invention relates to a pump coupler ( | 06-18-2009 |
20090202206 | Integrated optical splitter system - A system and method directed to an integrated fiber optic splitter assembly having at least two fused splitters disposed in a common substrate. An integrated optical splitter assembly includes a plurality of input fibers, a plurality of output fibers, and a plurality of splitters disposed on a single substrate to either split or couple optical signals between the input and output optical fibers. | 08-13-2009 |
20100040329 | SEMICONDUCTOR DEVICE - A semiconductor device includes a direct light-triggered thyristor triggered by an optical gate signal, a first optical fiber connected to the direct light-triggered thyristor and through which the optical gate signal is transmitted, a second optical fiber used to extend the first optical fiber, and a inter-optical-fiber relaying unit configured to connect the first optical fiber to the second optical fiber and to input the optical gate signal output from the second optical fiber to the first optical fiber. | 02-18-2010 |
20100067851 | FILTER DEVICE AND MANUFACTURING METHOD THEREOF - A filter device is provided, including a first and second conductor tube and an outside tube. The first light conductor tube includes a first end for light input, a second end including a first slanted assembled end surface coated with a filter, a first tube, and a first light conductor inserted into the first capillary. The second light conductor tube includes a third end for light output, a fourth end including a second slanted assembled end surface, a second capillary, and a second light conductor inserted into the second capillary. The second assembled end of the fourth end is disposed next to and parallel to the first slanted assembled end surface of the second end of the first light conductor tube to coaxially couple to the first light conductor tube. The outside tube is jacketed outside of the first and second light conductor tubes. | 03-18-2010 |
20100111475 | METHODS FOR THREE-DIMENSIONAL NANOFOCUSING OF LIGHT AND SYSTEMS THEREOF - A nanofocusing system includes a dielectric waveguide having two opposing ends; and a metal-dielectric-metal layered waveguide having two opposing ends optically aligned at one end with one end of the dielectric waveguide, wherein the metal-dielectric-metal waveguide tapers in at least one dimension from the aligned end of the metal-dielectric-metal waveguide towards the opposing end, wherein light travelling through the dielectric waveguide is funneled into the dielectric layer of the metal-dielectric-metal waveguide, squeezed by the metal-dielectric-metal waveguide taper, and exits the metal-dielectric-metal waveguide as nanofocused light. | 05-06-2010 |
20100129030 | Universal Optical Splitter Modules and Related Mounting Brackets, Assemblies and Methods - Optical splitter modules and related mounting brackets, assemblies, and methods for mounting optical splitter modules in fiber optic equipment housings are disclosed. In certain embodiments, the optical splitter modules can be configured to be “universal,” if desired, meaning they are configured to employ certain common or similar dimensions or form factors. In this manner, the optical splitter modules can be installed in different types of fiber optic equipment housings that would otherwise support different form factors. The optical splitter modules are configured to be disposed and supported in different types of fiber optic equipment housings by being configured to be received in a mounting bracket. The mounting bracket is designed to support the form factor of the universal optical splitter module, but also configured to be compatibly installed in a particular type of fiber optic equipment housing in which the optical splitter module is desired to be installed. | 05-27-2010 |
20100135616 | HOLE ARRANGED PHOTONIC CRYSTAL FIBER FOR LOW LOSS, TIGHT FIBER BENDING APPLICATIONS - A microstructured fiber or photonic crystal fiber is described having a doped solid core region and a cladding region, holes being provided in the cladding region, the fiber having a low hybrid splice loss to conventional fiber as well as being able to be tightly bent due to the microstructured cladding. The cladding region can contain a plurality of holes surrounding and distanced from the core. These holes are preferably located symmetrically around the core and extend longitudinally along the length of fiber. The holes may be two or more D-shaped holes or truncated D-shaped holes arranged symmetrically around the care. In other embodiments, the holes comprise hole structures arranged symmetrically around the core in a ring. The holes may be arranged having the inner side facing the core formed from arcs of a circle, e.g. equal arcs of a circle. Between the arcs circular holes may be provided called capillaries, i.e. smaller holes. According to the present invention, any number of holes may surround the core, preferably three or more. The fiber has low loss at small bending radii. | 06-03-2010 |
20100142893 | PHOTONIC CRYSTAL WAVEGUIDE INLET STRUCTURE - Disclosed herein is a photonic crystal waveguide inlet structure for improving coupling efficiency of a strip waveguide and a photonic crystal waveguide. The photonic crystal waveguide inlet structure includes an inlet region of the photonic crystal waveguide. The photonic crystal waveguide includes photonic crystals in which air holes are arranged in a triangle lattice shape in a dielectric, and a hybrid waveguide in which at least one of the air holes is removed, the hybrid waveguide spacing the inlet region apart from the strip waveguide. | 06-10-2010 |
20100142894 | METHOD AND DEVICE FOR OPTICALLY COUPLING OPTICAL FIBRES - An optical coupler, the optical coupler being usable with a first optical fibre and a second optical fibre. The second optical fibre defines a second fibre coupling section and a second fibre transmitting section extending from the second fibre coupling section. The second fibre coupling section defines a radially outwardmost peripheral surface, the radially outwardmost peripheral surface defining a peripheral surface coupling portion. The optical coupler includes a coupler first end section and a substantially opposed coupler second end section, the coupler first end section defining a first coupling surface. The optical coupler defines a second coupling surface extending along the coupler first and second end sections. The first coupling surface is optically couplable with the first optical fibre and the second coupling surface is positionable so as to extend substantially parallel to the peripheral surface coupling portion and to be optically coupled with the peripheral surface coupling portion. The optical coupler has optical and geometrical properties such that substantially all the light guided to the first coupling surface by the first optical fibre is directed towards the second coupling surface and into the second optical fibre through the peripheral surface coupling portion so as to be guided into the second fibre coupling section for transmission into the second fibre transmitting portion. | 06-10-2010 |
20100158443 | OPTICAL SEMICONDUCTOR DEVICE, MANUFACTURING METHOD THEREOF AND OPTICAL TRANSMISSION DEVICE - An optical semiconductor device, including a first optical waveguide with a first width, a second optical waveguide with a second width narrower than the first width with a bending region, and a third optical waveguide with a third width wider than the second width and coupled to the second optical waveguide. | 06-24-2010 |
20100178005 | Optical device and mach-zehnder interferometer - There is provided an optical device including a first optical waveguide of a directional coupler, a second optical waveguide connected to the first optical waveguide and which guides light, and a common cladding of the first and second optical waveguides, wherein: the common cladding of the first and second optical waveguides includes a first cladding and a second cladding, the second cladding being provided on the first cladding and having a higher refractive index than the first cladding; the first optical waveguide and the second optical waveguide are formed continuously on the first cladding with a constant width and a constant height and are integrated with each other, and a cross sectional shape of each of the first and second optical waveguides is a rectangular shape that is longest in a direction orthogonal to a surface of the first cladding. | 07-15-2010 |
20100220958 | WAVEGUIDE FOR THERMO OPTIC DEVICE - A waveguide and resonator are formed on a lower cladding of a thermo optic device, each having a formation height that is substantially equal. Thereafter, the formation height of the waveguide is attenuated. In this manner, the aspect ratio as between the waveguide and resonator in an area where the waveguide and resonator front or face one another decreases (in comparison to the prior art) thereby restoring the synchronicity between the waveguide and the grating and allowing higher bandwidth configurations to be used. The waveguide attenuation is achieved by photomasking and etching the waveguide after the resonator and waveguide are formed. In one embodiment the photomasking and etching is performed after deposition of the upper cladding. In another, it is performed before the deposition. Thermo optic devices, thermo optic packages and fiber optic systems having these waveguides are also taught. | 09-02-2010 |
20100226609 | WAVEGUIDE COUPLING STRUCTURE - A coupling structure of waveguide including a line defect (LD) waveguide portion having an LD waveguide, an electromagnetic field distribution matching portion (EFDMP) connected between the LD waveguide portion and a first tapered portion, the first tapered portion connected with the EFDMP, and a thin line waveguide portion connected with the first tapered portion and having a thin line waveguide. The EFDMP has a matching portion LD as the LD of a columnar photonic crystal, and the matching portion LD is connected with the LD waveguide. The first tapered portion consists of a first thin wire core, and the first LD of a columnar photonic crystal arranged along at least one side of first thin line core. At least one of the first thin line core and the first LD is connected with the matching portion line defect. The thin line waveguide is connected with the first thin line core. | 09-09-2010 |
20100254657 | Attenuator coupling for laser systems - A laser attenuator with a coupling mechanism to control laser emissions of fiber lasers. | 10-07-2010 |
20100329609 | OPTICAL FIBER CONNECTOR AND ENDOSCOPE SYSTEM USING THE SAME - An optical fiber connector has a first ferrule holding an end of a first optical fiber, a first fiber stub connected to the first ferrule, a second ferrule holding an end of a second optical fiber, and a second fiber stub connected to the second ferrule. The first fiber stub enlarges the beam diameter of light transmitted through the first optical fiber, and produces the collimated light. The second fiber stub reduces the beam diameter of the collimated light, and leads the converging light into the second optical fiber. The first and second fiber stubs are detachably connected inside a connection sleeve across a predetermined gap. First and second GI fibers contained in the first and second fiber stubs satisfy L | 12-30-2010 |
20110182550 | Silicon Optical Bench OCT Probe for Medical Imaging - An optical probe for emitting and/or receiving light within a body comprises an optical fiber that transmits and/or receives an optical signal, a silicon optical bench including a fiber groove running longitudinally that holds an optical fiber termination of the optical fiber and a reflecting surface that optically couples an endface of the optical fiber termination to a lateral side of the optical bench. The fiber groove is fabricated using silicon anisotropic etching techniques. Some examples use a housing around the optical bench that is fabricated using LIGA or other electroforming technology. A method for forming lens structure is also described that comprises forming a refractive lens in a first layer of a composite wafer material, such as SOI (silicon on insulator) wafers and forming an optical port through a backside of the composite wafer material along an optical axis of the refractive lens. the refractive lens is preferably formed using grey-scale lithography and dry etching the first layer. | 07-28-2011 |
20110206323 | WAVEGUIDE-BASED DISPERSION DEVICE - Systems, devices, and techniques are disclosed relating to dispersion devices that include a slot waveguide coupled with another waveguide such as a strip waveguide. For example, one or more structural parameters can be obtained for a dispersion device, including a slot waveguide coupled to a strip waveguide, to cause the dispersion device to produce dispersion, having a dispersion profile, for an electromagnetic wave propagated through the dispersion device, the one or more structural parameters including one or more of a slot thickness for a slot of the slot waveguide or a spacing thickness between the slot waveguide and the other waveguide; and making the dispersion device, including the slot waveguide and the other waveguide, according to the structural parameters. | 08-25-2011 |
20110268390 | ACTIVE OPTICAL CABLE THAT IS SUITED FOR CONSUMER APPLICATIONS AND A METHOD - An active optical cable is provided that is well suited for consumer applications. In contrast to known Quad Small Form-Factor Pluggable (QSFP) active optical cables, the active optical cable incorporates at least one consumer input/output (CIO) optical transceiver module that is well suited for consumer applications. The plug housing of the known QSFP active optical cable has been modified to house at least one CIO optical transceiver module that utilizes laser diode and photodiode singlets, rather than the parallel laser diode and photodiode arrays used in the known QSFP active optical cables. These features reduce the overall cost of the active optical cable and make it well suited for consumer applications. | 11-03-2011 |
20110280518 | PHOTONIC CHOKE-JOINTS FOR DUAL POLARIZATION WAVEGUIDES - A waveguide structure for a dual polarization waveguide includes a first flange member, a second flange member, and a waveguide member disposed in each of the first flange member and second flange member. The first flange member and the second flange member are configured to be coupled together in a spaced-apart relationship separated by a gap. The first flange member has a substantially smooth surface, and the second flange member has an array of two-dimensional pillar structures formed therein. | 11-17-2011 |
20110317960 | DIRECT COUPLING OF OPTICAL SLOT WAVEGUIDE TO ANOTHER OPTICAL WAVEGUIDE - Devices, systems and techniques for directly coupling an optical slot waveguide to another optical waveguide without a taper waveguide region between the two optical waveguides. | 12-29-2011 |
20120008900 | METHOD AND APPARATUS FOR ROUTING OPTICAL FIBERS IN FLEXIBLE CIRCUITS - The invention concerns a technique for routing an optical fiber through a bend so that it can traverse a hinge or other mechanical connector having a bend radius smaller than the minimum bend radius of the fiber. Particularly, the radius of curvature of an optical fiber traversing a bend can be maximized by routing the fiber so as to have a route component parallel to the axis about which the fiber must bend. For instance, in a hinged connection in which the optical fiber must bend around the axis of the hinge, the optical fiber may be routed over the arc around the hinge with a route component parallel to the axis of the hinge. | 01-12-2012 |
20120134628 | Optical System Having a Symmetrical Coupling Region - A system having an optical-coupling region for evanescently coupling light between first and second optical-waveguiding structures is disclosed. Within the optical-coupling region, the first and second optical-waveguiding structures exhibit mirror symmetry with respect to each other across or about at least one of a plane and an axis and include a segment that is not straight. | 05-31-2012 |
20120243829 | Multi-diameter optical fiber link for transmitting unidirectional signals and eliminating signal deterioration - The present invention is to provide a multi-diameter optical fiber link, which includes a first cable and a second cable connected in series with the first cable through an adaptor (or adaptors) and is characterized in that a first optical fiber enclosed in the first cable has a smaller diameter than a second optical fiber enclosed in the second cable. Hence, when the first and second cables are connected in series, an end surface of the first optical fiber is easily and precisely aligned within an end surface of the second optical fiber, thus allowing the second optical fiber to receive all optical signals transmitted from the first optical fiber. Consequently, the optical signals pass through the first and second optical fibers in succession, and a unidirectional signal transmission is realized in the multi-diameter optical fiber link without signal deterioration which may otherwise result from misalignment of the optical fibers. | 09-27-2012 |
20120251048 | Photonic Crystal Four-Port Circulator Based on Coupling of Magneto-Optical Cavities - The invention relates to a photonic crystal four-port circulator based on the coupling of magneto-optical cavities, which comprises two same magneto-optical cavities and three waveguides which are symmetrically distributed on the periphery of each magneto-optical cavity, wherein two waveguides connected with the magneto-optical cavities respectively are in a “v-shaped” arrangement, thereby guaranteeing that waveguides which are connected with the left sides of the two magneto-optical cavities are parallel to each other and waveguides which are connected with the right sides of the two magneto-optical cavities are parallel to each other as well and achieving the high-efficiency transmission in the case of the coupling of the magneto-optical cavities. The circulator provided by the invention utilizes the optical activity of the magneto-optical cavities to realize the rotation of the mode pattern of electromagnetic fields in the cavities, achieves the light transmission and isolation effects on different waveguides. | 10-04-2012 |
20120263417 | Optical Splitting Component - The present disclosure relates to an optical device that includes an optical splitting component that optically couples an optical input fiber to a plurality of optical output fibers. The optical output fibers have non-connectorized free ends that have been processed to reduce the ability of the non-connectorized free ends to reflect light back towards the optical splitting component. | 10-18-2012 |
20120294568 | Alignment Method for a Silicon Photonics Packaging - According to embodiments of the present invention, an alignment method for a silicon photonics packaging is provided. The method includes providing a plurality of waveguides, each of the plurality of waveguides including an input and an output, arranging a light source relative to the plurality of waveguides, the light source being configured to provide an input light to the input of at least one of the plurality of waveguides, detecting respective output light intensity exiting the outputs of the plurality of waveguides, and identifying based on the detected output light intensity a selected waveguide of the plurality of waveguides for subsequent coupling. | 11-22-2012 |
20120328243 | Optical Converter and Method of Manufacturing the Same - An optical converter and a method of manufacturing the optical converter are provided. The optical converter may include a signal receiving portion configured to receive an optical signal from an optical fiber which can be coupled to the optical converter, a signal output portion configured to output the optical signal received by the signal receiving portion, and a signal coupling portion being disposed between the signal receiving portion and the signal output portion and being configured to couple the optical signal received by the signal receiving portion into the signal output portion. The signal output portion may include a waveguide element having at least one tapered end section, and being partially or wholly surrounded by the signal coupling portion. The at least one tapered end section may be configured to couple the optical signal from the signal coupling portion into the waveguide element and the waveguide element may be configured to output the optical signal. | 12-27-2012 |
20130058611 | Photonic crystal optical waveguide solar spectrum splitter - A solar spectrum splitter comprises a series of hollow core optical waveguides. All hollow core optical waveguides are made of photonic crystals. Each of the photonic crystal optical waveguide is mounted inside of the other photonic crystal optical waveguide so as to form a structure in which each of the outer optical waveguide encapsulates all of the inner optical waveguides. Each of the optical waveguides bends out via penetrating through all outer optical waveguides. Wherein, the concentrated sunlight incident into the inner-most hollow core optical waveguide is confined and its components will be extracted out in sequence. | 03-07-2013 |
20130101255 | LASER CONCENTRATING WAVEGUIDE DEVICE - A concentrator waveguide device is provided including a coupler having an interior passage therein which tapers from an input end of the coupler to an output end of the coupler, such that a cross-sectional area of an input end of the interior passage is larger than a cross-sectional area of an output end of the interior passage, wherein walls of the interior passage of the coupler are reflective; and a waveguide having an interior passage therein, wherein the waveguide is disposed such that light output from the output end of the interior passage of the coupler is incident into an input end of the interior passage of the waveguide, wherein walls of the interior passage of the waveguide are reflective. | 04-25-2013 |
20130101256 | DESIGN FOR REDUCING LOSS AT INTERSECTION IN OPTICAL WAVEGUIDES - A core intersection in an optical waveguide formed of a plurality of cores and a clad that surrounds the cores is disclosed, the structure characterized in that the same material as that of the cores is added to two planes, upper and lower planes, of each of core intersection spaces where the plurality of cores intersect (instead of using a clad material). The structure of a core intersection in an optical waveguide formed of a plurality of cores and a clad is disclosed, the structure characterized in that four planes that divide (isolate) each of core intersection spaces where the plurality of cores intersect, that is, four discontinuity spaces between the core intersection space and the cores connected thereto, are filled with the same material as that of the clad (instead of using a core material so that the core intersection space is seamlessly connected to surrounding core intersection spaces). | 04-25-2013 |
20130136397 | TABLET COMPUTER - A tablet computer includes a main body and an optical port module mounted on a sidewall of the main body. The optical port module includes a mounting portion and at least one first optical fiber mounted on the mounting portion. The mounting portion forms a mounting surface and defines at least one first receiving hole. The at least one first optical fiber is received in corresponding first receiving hole. An end of the at least one first optical fiber protrudes from the mounting surface, for transmitting optical signals. | 05-30-2013 |
20130148927 | OPTICAL CONNECTOR ASSEMBLY - An optical connector for reducing attenuation in a cable assembly. A support within the connector precludes bending of exposed fiber within the connector that might otherwise occur when the cable assembly is exposed to environmental conditions involving cyclic temperatures. In some embodiments, optical connector assemblies include an optical fiber jacket surrounding a plurality of optical fibers and a support member adjacent to the jacket. The support member includes channels for receiving regions of the optical fibers that are exposed exterior to the optical fiber jacket. The channels of the support member serve to prevent severe bending of the optical fibers which otherwise would give rise to significant signal attenuation. For multi-fiber optical connector assemblies described herein, even during harsh environmental conditions, the signal loss in the optical fibers may be less than about 0.5 dB. The support may be formed as an extension of a ferrule holder. | 06-13-2013 |
20130230282 | LIGHT GUIDING DEVICE AND LIGHT GUIDING METHOD - In aspects of the invention, photonic crystal fiber and a GI fiber form an emission portion of a first single-mode optical fiber. Specifically, in some aspects of the invention, the photonic crystal fiber is connected to an emission-side end face of the first single-mode optical fiber. The GI fiber can connected to an emission-side end face of the photonic crystal fiber. The refractive index of the GI fiber in the direction in which light is concentrated changes in the radial direction. | 09-05-2013 |
20130287341 | OPTICAL TRANSMISSION SYSTEM WITH CONNECTORS OPTICALLY COUPLED TO OPTICAL EMITTING SOURCE AND RECEIVING TERMINALS - An optical transmission system includes an optical emitting source, a plurality of optical fiber connectors, a first optical fiber, a plurality of second optical fibers, a plurality of third optical fibers, and a plurality of optical receiving terminals. The optical emitting source is configured for emitting optical signals. The first optical fiber connects the optical emitting source to one of the optical fiber connectors. Each of the second optical fibers is connected between two adjacent of the optical fiber connectors. Each of the third optical fibers is connected between a respective one of the optical fiber connectors and a respective one of the optical receiving terminals. | 10-31-2013 |
20130315537 | OPTICAL MULTIPLEXING/DEMULTIPLEXING DEVICE - An optical multiplexing/demultiplexing device comprise a plurality of propagation waveguides comprising an input waveguide capable of receiving input light and an output waveguide outputting light of a given wavelength among the wavelengths included in the input light and resonance waveguide that is an optical waveguide provided between adjoining waveguides and extends in a longitudinal direction in which both the adjoining waveguides extend, wherein the adjoining waveguides are an adjoining pair among the propagation waveguides. The distance between the resonance waveguide and each of the adjoining waveguides of the resonance waveguide and a length in the longitudinal direction of the resonance waveguide are set so as to form a transition part, wherein when a light comprising a transition wavelength set to the transition part passes through the transition part of one of the adjoining waveguides, the light of the transition wavelength component shifts to the other adjoining propagation waveguide. | 11-28-2013 |
20140050442 | OPTICAL COUPLING SYSTEM FOR TWO OPTICAL WAVEGUIDES - An optical coupling system for coupling a first optical waveguide having a first core surrounded by a first sheath to a second optical waveguide having a second core surrounded by a second sheath. An end face of the first core of the first optical waveguide abuts an end face of the second core of the second optical waveguide at a coupling location and the second core is flush with the first core in the axial direction, wherein, in the region of the coupling location, over at least part of a predetermined axial portion, both the second sheath of the second optical waveguide and the first sheath of the first optical waveguide together form a cladding of the optical waveguide in the predetermined portion. | 02-20-2014 |
20140119695 | OPTICAL SIGNAL EMISSION SYSTEM - Optical system has a passive optical chip on the top surface with a first wave guide and a laser diode arranged on the edge of the chip. The chip has a reflecting structure on the top surface at the wavelength of the laser diode and a thin layer portion powered by the laser diode and covering a part of the first wave guide. The first wave guide input is linked to the laser diode, passing through the reflecting structure. The chip has a second wave guide on the top surface, a first coupler formed by two first portions of the first wave guide not covered by the thin layer portion and situated on either side of the thin layer portion along the optical path, and a second coupler formed by two second portions, respectively of the first and second wave guides, not covered by the thin layer portion. | 05-01-2014 |
20150063754 | UNIVERSAL OPTICAL FIBERS FOR OPTICAL FIBER CONNECTORS - An optical fiber for use as a stub fiber in an optical fiber connector is disclosed. The optical fiber is configured with a segmented core that includes a single-mode segment with a step-index profile and at least one multimode segment having at least one alpha profile. A connector that employs the stub fiber can connect to both a single mode fiber and a multimode fiber. | 03-05-2015 |
20150378104 | COUPLING OPTICAL SYSTEM - An object of the invention is to provide a coupling optical system that uses reflecting surfaces so as to be compatible with even multiple light beams. As shown in FIG. | 12-31-2015 |
20160097903 | SKEW MANAGED MULTI-CORE OPTICAL FIBER INTERCONNECTS - The embodiments described herein relate to multi-core optical fiber interconnects which include at least two multi-core optical fibers. The multi-core optical fibers are connected such that the core elements of the first multi-core optical fiber are optically coupled to the core elements of the second multi-core optical fiber thereby forming an array of interconnect core elements extending through the optical fiber interconnect. The multi-core optical fibers are constructed such that cross-talk between adjacent core elements in each multi-core optical fiber are minimized. The multi-core optical fibers are also constructed such that time-delays between the interconnect core elements in the array of interconnect core elements are also minimized. | 04-07-2016 |
20160252686 | ALIGNMENT OF SINGLE-MODE POLYMER WAVEGUIDE (PWG) ARRAY AND SILICON WAVEGUIDE (SIWG) ARRAY OF PROVIDING ADIABATIC COUPLING | 09-01-2016 |