Optical waveguides inventions 01/09

20090028487 - Micro-ring optical detector/modulator: A micro-ring configured to selectively detect or modulate optical energy includes at least one annular optical cavity; at least two electrodes disposed about the optical cavity configured to generate an electrical field in the at least one optical cavity; and an optically active layer optically coupled to the at least... Agent: Hewlett Packard Company

20090028488 - Fabrication of nanowires: A method of forming a nanowire is disclosed. In one embodiment, a primary preform is formed comprising at least one central region and a support structure. The primary preform is then drawn to a cane, which is then inserted into an outer portion, to form a secondary preform. The secondary... Agent: Greenblum & Bernstein, P.L.C

20090028489 - High speed fiber optic grating sensor system: A fiber optic grating sensor system is used to localize and measure the environment associated with high speed events including pressure, temperature, velocity and position. This system has the capability to provide timing and physical location markers allowing the character of a rapidly changing event to be accurately measured with... Agent: Eric Udd

20090028490 - Signal identifying apparatus for an optical fiber: Provided is a signal identifying apparatus for an optical fiber that includes a detecting portion capable of detecting a signal originating from a first end of the optical fiber and a signal originating from a second end of the optical fiber. Additionally, the signal identifying apparatus includes an identifying portion... Agent: Sughrue Mion, Pllc

20090028495 - Electro-optical hybrid connection assembly: An electro-optical hybrid connection assembly provides an optical connection of at least a first optical fiber and a second optical fiber that define a fiber axis and an electrical connection of at least a first electrical conductor and a second electrical conductor. The assembly includes a first connector and a... Agent: Fish & Richardson Pc

20090028496 - Electro-optical printed circuit board, a blank and a method of making an electro-optical printed circuit board: The invention provides a method of making an electro-optical printed circuit board, the method comprising: providing a support layer having thereon surface mounted electric components within a region of the support layer; forming one or more surface mounted optical components on the surface of the electro-optical printed circuit board; and... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090028491 - Interconnect structure: An interconnect structure includes an insulative web having a first surface and a second surface; a logic device secured to the second surface of the insulative web; a frame panel assembly including a frame base having a first surface and a second surface, a first frame insulative layer disposed between... Agent: General Electric Company Global Research

20090028492 - Optical waveguide ring resonator with an intracavity active element: An optical resonator, a photonic system and a method of optical resonance employ optical waveguide segments connected together with total internal reflection (TIR) mirrors to form a closed loop. The optical resonator includes the optical waveguide segments, an intracavity active element coupled to a designated one of the optical waveguide... Agent: Hewlett Packard Company

20090028494 - Optical waveguide, package board having the same, and manufacturing method thereof: An optical waveguide, a package board having the optical waveguide, and manufacturing methods thereof are disclosed. The method of manufacturing an optical waveguide includes: forming a first reflective bump and a second reflective bump, which have inclined surfaces formed on sides opposite to each other and which are disposed with... Agent: Staas & Halsey LLP

20090028497 - Optoelectronic wiring board, optical communication device, and method of manufacturing the optical communication device: An optoelectronic wiring board includes a rigid, a flexible flex section made of an optical wiring, a flex rigid substrate section provided with an electric wiring, and optical wiring means. In the rigid section, a lamination which is formed of a conductive circuit and an insulating layer is formed on... Agent: Ditthavong Mori & Steiner, P.c.

20090028493 - Plasmon-enhanced electromagnetic-radiation-emitting devices and methods for fabricating the same: Various embodiments of the present invention are directed to surface-plasmon-enhanced electromagnetic-radiation-emitting devices and to methods of fabricating these devices. In one embodiment of the present invention, an electromagnetic-radiation-emitting device comprises a multilayer core, a metallic device layer, and a substrate. The multilayer core has an inner layer and an outer... Agent: Hewlett Packard Company

20090028498 - Optical fiber connector: An optical fiber connector (100) includes a first insulative housing (1), a door (2) assembled in the first housing and an elastic piece (3) with one end retained in the first housing and the other end elastically abutting against the door. The first housing defines a top face (10), a... Agent: Wei Te Chung Foxconn International, Inc.

20090028499 - Optical switch matrix: A method for routing optical signals within an optical switch matrix is described herein. In one embodiment, exemplary routing within the optical switch matrix includes, but is not limited to, providing a plurality of switching nodes and a plurality of intermediate wavelengths. Furthermore, any one of a plurality of input... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090028500 - Signal interconnect incorporating multiple modular units: An interconnect element incorporates a plurality of smaller, substantially identical, interconnect modules. Multiple identical elements can in turn be combined to form larger interconnect networks. Signal paths in the elements can be implemented with optical fibers or electrical conductors.... Agent: Husch Blackwell Sanders, LLP Husch Blackwell Sanders LLP Welsh & Katz

20090028503 - Flex spectrum wss: Switching optical signals containing a plurality of spectral channels characterized by a predetermined channel spacing is described. A selected beam deflector array may be selected from among a plurality of available beam deflector arrays configured to accommodate spectral channels of different channel spacings. The selected beam deflector array is configured... Agent: Joshua D. Isenberg Jdi Patent

20090028501 - Multiple function digital optical switch: A multiwavelength switch is provided. The switch includes at least one optical input for receiving an optical beam and at least two optical outputs. A dispersion element receives the optical beam from the optical input and spatially separates the optical beam into a plurality of wavelength components. A collimating element... Agent: Mayer & Williams Pc

20090028502 - Segmented prism element and associated methods for manifold fiberoptic switches: A fiber optic switch utilizing a segmented prism element, comprising a fiber optic switch used in multi-channel optical communications networks and having one or more arrays of micro electromechanical system (MEMS) mirrors, wherein at least a first array of MEMS mirrors is utilized to select & switch wavelengths from a... Agent: Myers & Kaplan Intellectual Property Law, L.l.c.

20090028504 - Optical waveguide ring resonator with photo-tunneling input/output port: An optical resonator, a photonic system and a method of optical resonance employ optical waveguide segments connected together with total internal reflection (TIR) mirrors to form a closed loop. The optical resonator includes the optical waveguide segments, the TIR mirrors and a photo-tunneling input/output (I/O) port. The photo-tunneling I/O port... Agent: Hewlett Packard Company

20090028505 - Optical fiber microscopy launch system and method: A launch system and method for microscopy having an optical fiber positioned proximate a sample slide with an optical fiber mounting element so as to deliver an EMR from the optical fiber into a first sample slide and to a surface of a second sample slide at a critical angle... Agent: Downs Rachlin Martin Pllc

20090028506 - Passive alignment using elastic averaging in optoelectronics applications: In an optoelectronic assembly in which one or more beam paths are to be aligned with a corresponding number of active optical elements, the cooperation between flexible alignment features and fixed alignment features achieves elastic averaging so as to provide the target accuracy. By averaging dimensional and positional errors over... Agent: Kathy Manke Avago Technologies Limited

20090028507 - Fiber optic adapter with integrated shutter: The present invention relates generally to fiber optic connectors and adapters, and more specifically to a simplified fiber optic adapter assembly and integrated shutter mechanism. In various embodiments, the simplified fiber optic adapter assembly includes a one-piece outer housing, a one or two-piece inner housing, and several different clip arrangements,... Agent: Corning Incorporated

20090028508 - Optical connector assembly: The present solution relates to a system and method of an optical connector assembly for interconnecting two optical fibers. The optical connector assembly has a splice with a fiber conduit for holding bare ends of the two optical fibers together. Additionally, the optical connector has two corresponding ferrules. The two... Agent: Edell, Shapiro & Finnan, Llc

20090028509 - Optical fiber device: An optical fiber device converts an input optical pulse having a predetermined center wavelength into an optical pulse having a wavelength bandwidth broader than that of the input optical pulse. The optical fiber device includes a plurality of optical fibers connected in a cascaded manner each having negative wavelength dispersion... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20090028510 - Drive for system for processing fiber optic connectors: An apparatus for moving a fiber including a plurality of fiber optic connectors through a system for processing the plurality of fiber optic connectors. The apparatus can include a first drive mechanism for moving the fiber through the system, such as a cart and a conveyor. The apparatus can include... Agent: Merchant & Gould Pc

20090022443 - Thermo-optic devices providing thermal recirculation: Thermo-optical devices providing heater recirculation in an integrated optical device are described. The thermo-optical devices include at least one waveguide having a non-linear path length in thermal communication with a thermal device. Methods of fabrication and use are also disclosed.... Agent: Infinera Corporation

20090022444 - Thermo-optic devices providing thermal recirculation: Thermo-optical devices providing heater recirculation in an integrated optical device are described. The thermo-optical devices include at least one waveguide having a non-linear path length in thermal communication with a thermal device. Methods of fabrication and use are also disclosed.... Agent: Infinera Corporation

20090022447 - Method for generating a high-frequency signal and apparatus for generating a high-frequency signal: A method for generating a high-frequency signal includes the steps of entering an optical pulse to a wavelength filtering device and generating modulating light having periodic wavelength intervals, and inputting the optical pulse outputted from the wavelength filtering device to a wavelength dispersive device to subject the optical pulse to... Agent: Rader Fishman & Grauer Pllc

20090022445 - Nanophotonic devices in silicon: Systems and methods for manipulating light with high index contrast waveguides clad with substances having that exhibit large nonlinear electro-optic constants χ2 and χ3. Waveguides fabricated on SOI wafers and clad with electro-optic polymers are described. Embodiments of waveguides having slots, electrical contacts, and input waveguide couplers are discussed. Waveguides... Agent: Hiscock & Barclay, LLP

20090022446 - Optical modulation element and optical modulation device having the same: An optical modulation element includes a waveguide defined based on a defect in a photonic crystal, a carrier conducting region for conducting a carrier to the waveguide, an electrode for injecting a carrier into the carrier conducting region, and a current control unit for controlling the quantity of carrier to... Agent: Morgan & Finnegan, L.l.p.

20090022448 - Optical device including waveguide grating structure: Optical devices including waveguide grating structures are described. In accordance with one embodiment, an optical device is provided comprising a horizontal waveguide grating structure having at least one waveguiding layer and at least one subwavelength periodic grating layer. The optical device further comprises upper and lower cladding layers immediately adjoining... Agent: Hewlett Packard Company

20090022450 - Design and performance of a fiber bragg grating displacement sensor for measurement of movement: A displacement sensor based on the underlying principle that when the outer surface of a quartz fiber (fiber optic cable) is etched to form a series of regularly spaced lines (a Fiber Bragg grating), laser light of a wavelength matching the spacing of the lines which enters one end of... Agent: Winstead Pc

20090022449 - Fiber optic sensor and method for making: A fiber optic sensor including a fiber having a modified surface integral with the fiber wherein the modified surface includes an open pore network with optical agents dispersed within the open pores of the open pore network. Methods for preparing the fiber optic sensor are also provided. The fiber optic... Agent: General Electric Company Ge Global Patent Operation

20090022451 - Optical turnaround system: A technique is provided for utilizing an optical fiber in a variety of sensing applications and environments by beneficially routing the optical fiber. A continuous optical fiber is created to provide optical continuity between two ends of the optical fiber. The optical continuity is created with the assistance of an... Agent: Patent Counsel Schlumberger Reservoir Completions

20090022452 - Monolithic transmitter photonic integrated circuit (txpic) with a transversely disposed output: A photonic integrated circuit (PIC) chip comprising an array of modulated sources, each providing a modulated signal output at a channel wavelength different from the channel wavelength of other modulated sources and a wavelength selective combiner having an input optically coupled to received all the signal outputs from the modulated... Agent: Infinera Corporation

20090022453 - Optical deflection method and optical deflection apparatus: An optical deflection apparatus includes a signal light source configured to emit signal light having one or more wavelengths, a control light source configured to emit control light having a wavelength different from the wavelength of the signal light, a thermal lens forming optical element including a light absorption layer... Agent: Oliff & Berridge, Plc

20090022454 - Periodic optical filter: A periodic optical filter for interleaving a plurality of optical signals to provide a multiplexed signal for transmission over an optical fiber is disclosed. The periodic optical filter includes a first optical filter constructed to receive at least two optical signals through an input port to provide at least one... Agent: Infinera Corporation

20090022455 - High-q resonators assembly: An electromagnetically responsive element includes sets of arrangements of self-resonant bodies, such as atoms or quantum dots that form an effective dielectric constant, typically at or near a resonance.... Agent: Searete Llc Clarence T. Tegreene

20090022456 - Optical fiber probe tips and methods for fabricating same: Optical fiber probe tips and methods for fabricating the same are presented. One method entails immersing a distal end of an optical fiber having a cladding and a core into an etching solution and simultaneously etching the cladding and the core using the etching solution for tapering the cladding and... Agent: Carter, Deluca, Farrell & Schmidt, LLP

20090022457 - Fusion-splice fiber optic connectors and related tools: Fiber optic connectors having an optical fiber stub that is fusion-spliced for optical connection and related tools for the fiber optic connectors are disclosed. Specifically, the connector assembly for fusion-splicing includes a fiber optic connector having an optic fiber stub and a boot attachable to the fiber optic connector. The... Agent: Corning Incorporated

20090022458 - Optical turnaround system: A technique is provided for utilizing an optical fiber in a variety of sensing applications and environments by beneficially routing the optical fiber. A continuous optical fiber is created to provide optical continuity between two ends of the optical fiber. The optical continuity is created with the assistance of an... Agent: Schlumberger Reservoir Completions

20090022459 - Fiber optic cable breakout configuration with retention block: A telecommunications cable includes a distribution cable, a tether that branches from the distribution cable, and a tether retention block affixed to the distribution cable. The tether retention block includes a first portion and a second portion that is configured to cooperate with the first portion to secure a tether... Agent: Merchant & Gould P.c. Attention Of David G. Schmaltz

20090022460 - Factory spliced cable assembly: A telecommunications cable including a main cable having a central buffer tube enclosed within a cable jacket and a ribbon stack positioned within the buffer tube. The main cable includes a cut region where a slot has been cut through the cable jacket and the buffer tube to provide access... Agent: Merchant & Gould Pc

20090022461 - Optical fiber: An optical fiber which reduces transmission loss increase even in a high humidity environment or under water is provided. To solve the above issue, an optical fiber according to the present invention comprises a glass optical fiber coated with at least two coating layers, soft and hard layers. The optical... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20090022462 - Fire resistant jacket composition for electrical coaxial and fiber optic cable: Zeolite-containing polyvinyl chloride containing compositions that are useful as the insulation for plenum cables are disclosed. A zeolite, either natural or synthetic, can satisfactorily replace either part or all of the molybdenum compound, particularly ammonium octamolybdate, in low smoke polyvinyl chloride based plenum compositions. Ion-exchanged zeolites, such as the zinc... Agent: Ratnerprestia

20090022463 - Imaging system and related techniques: A method and apparatus for imaging using a double-clad fiber is described.... Agent: Dorsey & Whitney LLP Intellectual Property Department

20090022464 - Optical device, and production method for photonic crystal slab: An optical device which includes a GI-type photonic crystal slab which includes: a first member which has a distribution of refractive indexes reduced in both directions from an optical axis of incident light as to a first direction vertical to the optical axis; and a second member periodically placed in... Agent: Ratnerprestia

20090022465 - Thermo-optic devices providing thermal recirculation: Thermo-optical devices providing heater recirculation in an integrated optical device are described. The thermo-optical devices include at least one waveguide having a non-linear path length in thermal communication with a thermal device. Methods of fabrication and use are also disclosed.... Agent: Infinera Corporation

20090022466 - Film-shaped optical waveguide production method: A film-shaped optical waveguide production method which ensures easy production of individual film-shaped optical waveguides without the need for cutting and stamping. A plurality of film-shaped optical waveguide formation regions are defined on a substrate (1). Then, film-shaped optical waveguides (W) are produced in the respective film-shaped optical waveguide formation... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090022470 - Cable management drawer with access panel: A cable management panel including a sliding drawer. The drawer including a bottom tray that pivots to provide access to cable management devices mounted on the tray. The drawer including a connection arrangement that locks the tray in both of a non-pivoted position and a pivoted position.... Agent: Merchant & Gould Pc

20090022469 - Fiber optic adapter module: A fiber optic adapter assembly includes a plurality of adapters included in an integrally formed body. Each of the adapters may include a protective shutter mounted within one end. The adapter assembly may be configured to mount to a chassis and position the adapters for receiving fiber optic connectors of... Agent: Merchant & Gould Pc

20090022468 - Fiber optic splitter module: A telecommunications assembly including a housing and a plurality of modules mounted within the housing. The modules includes a rear face in which is mounted at least one fiber optic connector. Within an interior of the housing are positioned at least one fiber optic adapters. Inserting the module through a... Agent: Merchant & Gould Pc

20090022467 - Optical fiber distribution frame with outside plant enclosure: A fiber optic telecommunications frame is provided including panels having front and rear termination locations, the panels positioned on left and right sides of the frame. The frame includes vertical access for the rear cables. The frame further includes left and right vertical cable guides for the front patch cables.... Agent: Attn: Karen A. Fitzsimmons Merchant & Gould P.c.

20090022471 - Device for adjusting an optical fiber or an optical fiber bundle: Disclosed is a device for adjusting an optical fiber (1) or an optical fiber bundle relative to a coupling point. Said device comprises a holding apparatus (2) for the fiber/s (1) and a mechanism (3) for positioning the fiber/s (1) in said holding apparatus (2). The positioning mechanism (3) is... Agent: Foley And Lardner LLP Suite 500

20090016666 - Silicon-based ge/sige optical interconnects: SiGe quantum wells where the well material has a lowest conduction band energy minimum at k=0 (the Γ point of the first Brillouin zone) are provided. Quantum well structures that satisfy this condition have “Kane-like” bands at and near k=0 which can provide physical effects useful for various device applications,... Agent: Lumen Patent Firm, Inc.

20090016667 - Method for ultrafast optical deflection enabling optical recording via serrated or graded light illumination: In one general embodiment, a method for deflecting an optical signal input into a waveguide is provided. In operation, an optical input signal is propagated through a waveguide. Additionally, an optical control signal is applied to a mask positioned relative to the waveguide such that the application of the optical... Agent: Llnl/zilka-kotab John H. Lee, Assistant Laboratory Counsel

20090016668 - Apparatus and method for a waveguide-based optical polarizer/isolator: The present invention provides an apparatus for a one-way waveguide and/or a circular polarizer that includes a waveguide having a height, a width, a length and a wave propagation direction. A first wall of the waveguide has a first slanted groove. A second wall opposite the first wall of the... Agent: Chalker Flores, LLP

20090016669 - Optical compressor and ultra-short pulse light source: Provided is an ultra-short pulse light source having an optical pulse generator 111 for emitting short pulse light, an optical amplifier 112 for amplifying the short pulse light output from the optical pulse generator 111 and an optical compressor 120 for compressing the short pulse light. The optical compressor 120... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090016671 - Multilayer printed circuit board: The multilayer printed circuit board according to the present invention is a multilayer printed circuit board where at least one insulating layer, a conductor circuit and a plurality of optical circuits are formed and layered, wherein the optical circuits are formed and layered so as to be located in different... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090016673 - Optical coupling device and method for the production thereof: An optical coupling device for the transmission of a signal from an input circuit to an output circuit. The optical coupling device comprises a transmission element connected to the input circuit to emit a signal, a reception element connected to the output circuit to receive the light signal and at... Agent: Dickstein Shapiro LLP

20090016672 - Producing fluidic waveguides: Fluidic waveguides have inward surfaces or areas that face each other, separated by a channel region that can be covered. For example, an integrally formed channel component can include two walls parts and a connecting part, with inward surfaces on the wall parts and, extending between them, a base surface;... Agent: Leading Edge Law Group, PLC/xerox-parc

20090016674 - Silicon structure and method of manufacturing the same: A method of manufacturing a silicon structure, includes: forming an on-substrate structure on a processed layer to have a continuously changing width on a parallel plane to the processed layer; and gradually removing a target portion of the processed layer on a silicon substrate, which is located directly beneath the... Agent: Nec Corporation Of America

20090016670 - System and method for the fabrication of an electro-optical module: A system and method for fabricating an electro-optical hybrid module (100). The electro-optical hybrid module (100) may comprise an electro-optical component, an electronic component (110), a planar light wave circuit (PLC) embedded with at least an optical waveguide (120). The electro-optical component may transmit or receive energy through a micro-folding... Agent: Empk & Shiloh, LLP C/o Landon Ip, Inc.

20090016675 - Plasmon multiplexing: A variety of structures, methods, systems, and configurations can support plasmons for multiplexing.... Agent: Searete LLC Clarence T. Tegreene

20090016676 - Optical element, optical module holder including optical element, optical module, and optical connector: A diffraction grating 17 is formed to suppress, to within a predetermined allowable limit, a coupled light temperature characteristic indicating a change in an intensity of a light of a specific diffractive order that is coupled to an end section of an optical transmission line 12, the change accompanying a... Agent: Quinn Emanuel Urquhart Oliver & Hedges, LLP Koda/androlia

20090016677 - Method and apparatus for minimizing propagation losses in wavelength selective filters: The present invention is a method and an apparatus for minimizing losses in wavelength selective filters. In one embodiment, an apparatus includes a waveguide bus defined in a first crystalline layer of the apparatus, for receiving incoming light, a resonator defined in the first crystalline layer, and a coupling structure... Agent: Patterson & Sheridan LLP IBM Corporation

20090016678 - Optical module: The optical path changing member has a first face and a second face at different locations. The first face reflects a first wavelength of light transmitted between the optical waveguide member and the first optical device. The second face reflects a second wavelength of light transmitted between the optical waveguide... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090016679 - Ultra-wide band awg multiplexer: A multiplexing AWG device capable of producing an ultra-wideband, low ripple, flat-top signal is presented. The AWG device includes an AWG unit and a two-section waveguide coupled to the AWG unit. The two-section waveguide has a first section and a second section. The first section produces a signal having a... Agent: Macpherson Kwok Chen & Heid LLP

20090016680 - Method and apparatus for minimizing propagation losses in wavelength selective filters: The present invention is a method and an apparatus for minimizing losses in wavelength selective filters. In one embodiment, an apparatus includes a waveguide bus defined in a first crystalline layer of the apparatus, for receiving incoming light, a resonator defined in the first crystalline layer, and a coupling structure... Agent: Patterson & Sheridan, LLP

20090016681 - Optical fiber configuration for dissipating stray light: An optical transmission fiber is formed to include a relatively low-index, relatively thin outer cladding layer disposed underneath the protective polymer outer coating. Stray light propagating along an inner cladding layer(s) within the fiber will be refracted into the thin outer cladding (by proper selection of refractive index values). The... Agent: Wendy W. Koba, Esq.

20090016682 - Downhole optic fiber wet connect system and method: A downhole optic fiber wet-connect system including first and second matable portions of a tool body. First and second matable portions of a connector body further including a first magnet associated with one of the first and second matable portions of the connector body, and a second magnet associated with... Agent: Cantor Colburn, LLP

20090016683 - Angled fiber ferrule having off-axis fiber through-hole and method of coupling an optical fiber at an off-axis angle: An angle-polished optical fiber may be mounted relative to a laser at an off-axis angle to allow coupled light from a laser to be substantially aligned with the axis of the fiber core. An angled fiber ferrule may facilitate providing the off-axis angle when coupling the angle-polished optical fiber to... Agent: Applied Optoelectronics, Inc.

20090016684 - Service blocker device and method: A device and method of blocking customer access to a fiber optic distribution cable. A service blocker is positioned between a fiber distribution cable and a customer drop cable within a fiber optic adapter. The service blocker includes a body which does not permit optical transmission between the fiber distribution... Agent: Merchant & Gould P.C. Attention Of Alpaslan Sapmaz

20090016685 - Reconfiguration and protocol adaptation of optoelectronic modules and network components: An optoelectronic module for converting and coupling an information-containing electrical signal with an optical fiber including a housing having an electrical input for coupling with an external cable or information system device and for transmitting and receiving information-containing electrical signals over such input, and a fiber optic connector adapted for... Agent: Casey Toohy Emcore Corporation

20090016686 - Optical fiber gratings for handling increased power levels and methods of making: Optical fibers and optical fiber lasers including gratings and methods of writing gratings into fibers. A method can comprise providing a photosensitive optical fiber having a region having an original refractive index (RI) profile along the elongate direction of the fiber; exposing the optical fiber to actinic radiation to alter... Agent: Nufern Peter J. Rainville

20090016687 - Optical fiber having waterproof function and method for manufacturing the same: An optical cable having a waterproof function includes an optical fiber unit having at least one optical fiber, a tube surrounding the optical fiber unit, and a watertight material layer formed by coating a mixture of watertight material and binder to an inner wall of the tube. This optical cable... Agent: Stroock & Stroock & Lavan LLP

20090016688 - Fiber optic module and sytem including rear connectors: A telecommunications assembly including a housing and a plurality of modules mounted within the housing. The modules includes a rear face in which is mounted at least one fiber optic connector. Within an interior of the housing are positioned at least one fiber optic adapters. Inserting the module through a... Agent: Merchant & Gould PC

20090016689 - Bird flight diversion device and system for fixing same to overhead wires and cables: The invention relates to a device for diverting the flight of birds in order to prevent collisions with overhead wires and cables, such as high-voltage lines. The inventive device comprises a system for fixing same to overhead wires and cables, from which a central body is suspended. The fixing system... Agent: Merchant & Gould PC

20090016690 - Producing sandwich waveguides: Complementary surface fabrication processes such as molding, casting, embossing, and so forth, are used to produce articles, structures, or components structured to operate as sandwich waveguides. Resulting complementary surface artifacts include, for example, optical quality surfaces on wall parts, other exposed artifacts that occur where a complementary solid surface contacts... Agent: Leading Edge Law Group, PLC/xerox-parc

20090010587 - Electro-optical modulator with curving resonantor: An electro-optical modulator includes a structural substrate, having an insulating layer on top. A waveguide layer, disposed on the insulating layer. A curving resonant MOS device, disposed on the insulating layer and having an optical coupling region with the waveguide layer.... Agent: Jianq Chyun Intellectual Property Office

20090010589 - Optical sensor based on surface electromagnetic wave resonance in photonic band gap materials: A sensing method and apparatus using photonic band gap multilayered material. Photonic band gap multi-layers are formed from alternating layers of higher refractive index and lower refractive index materials, and may be deposited or disposed on a optically transparent substrate or a reflecting face of a prism. Light is directed... Agent: W. Edward Ramage

20090010588 - Optimized optical resonator device for sensing applications: An optical resonator is configured for optimized performance as a sensor by maximizing the slope and/or sharpness of the resonance peak, instead of maximizing the Q-factor of the resonator. These characteristics of the resonance peak are controlled, in accordance with the present invention, by modifying the physical parameters of the... Agent: Wendy W. Koba, Esq.

20090010593 - Light receiving device and optically interconnected lsi: A light receiving device includes a first receiving structure and a second receiving structure. The first receiving structure has a first concentric coupling periodic structure provided in a first surface of a conductive thin film formed on a substrate, a first opening located at a center of the first concentric... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090010590 - Method and apparatus for coupling optical signals onto a semiconductor chip: A first optical coupler is configured to direct optical signals from an optical fiber onto one or more first optical channels located on a semiconductor chip, wherein the one or more first optical channels have dimensions that are within a specified tolerance of the dimensions of the optical fiber. One... Agent: Pvf -- Sun Microsystems Inc. C/o Park, Vaughan & Fleming LLP

20090010592 - Mounting structure of semiconductor optical element: To provide a mounting structure of a semiconductor optical element, in which structure the turning of a refractive index matching gel is prevented. There is provided a mounting structure of a light emitting element, in which structure signal light emitted from one end of an SOA 2 with phase control... Agent: Nec Corporation Of America

20090010594 - Optical and electrical circuit board and method of manufacturing the same: An optical and electrical circuit board includes a patterned electrical wiring and a micro convex lens. The micro convex lens is provided in at least one hole formed in the optical and electrical circuit board.... Agent: Ditthavong Mori & Steiner, P.C.

20090010591 - Photoelectric circuit board: A photoelectric circuit board includes a substrate, an optical waveguide and a core exposure surface. The substrate has an inspection opening. The optical waveguide includes a core and a clad formed around the core. The optical waveguide is formed on one surface side of the substrate, is exposed to the... Agent: Sughrue-265550

20090010595 - Method and device to improve backlight uniformity: A method for providing a hot spot filter for a light guide is provided by taking an image of the light output pattern of an illuminated light guide. The hot spot filter may be a film, a layer, or an additional liquid crystal display dedicated to attenuating bright spots from... Agent: Mccarthy Tetrault LLP

20090010596 - Optical communication system as well as a access network provided therewith: The invention relates to an access network for exchanging communication signals between a transit network and at least one communication medium of a user. The communication medium is operatively connected to an exchange by means of an optical fibre connection for exchanging the communication signals, and the exchange is connected... Agent: Sughrue Mion, PLLC

20090010597 - Methods and apparatus for alignment and assembly of optoelectronic components: Apparatus and methods are disclosed for precision alignment and assembly of opto-electronic components relative to one another.... Agent: Fish & Richardson PC

20090010598 - In-situ electrical connector with composite structure: A connector includes a connector portion and one or more pads embedded in the connector portion and coupled to circuit paths, wherein the pads adjoin the surface of the connector portion and are exposed, and the connector portion is joined to a part by a joining mechanism. The circuit paths... Agent: Arent Fox LLP

20090010599 - Re-terminable lc connector assembly and cam termination tool: An improved, reversibly terminable fiber stub connector assembly is provided that can be readily and positively terminated in the field using simple termination tools. This allows repositioning or replacement of fiber optic cable field fibers if termination is not acceptable in performance. The tool may be a hand-held tool, or... Agent: Panduit Corp.

20090010600 - Optical component and transceiver packaging: An optical module and packaging thereof. A high speed optical module, such as a transceiver or transponder is disclosed. A fiber assembly including a receptacle, a fiber, and a modified connector are provided and enable an optical connection from inside of the optical component to outside of the component. Internally,... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090010601 - Cladding alignment for fusion splicing optical fibers: In aligning ends of optical fibers (13), e.g. for performing a prealignment of ends of large mode area double-clad fibers (LMA-DCFs) in order to thereafter perform a core alignment process, in a fiber optic fusion splicer a best, optimum or near optimum position or setting of the optical system (7)... Agent: Ericsson Inc.

20090010602 - Semi-tight optical fiber unit: Disclosed is a dry, semi-tight optical fiber unit that includes one or more optical fibers positioned within a buffer tube. A protective coating is provided upon the surface of the optical fibers, and an anti-adhesive coating is substantially bonded to the protective coating. One or more of these optical fiber... Agent: Summa, Allan & Additon, P.A.

20090010604 - Flexible optical waveguide, method for manufacturing such flexible optical waveguide, and optical module: The present invention relates to a flexible optical waveguide prepared by using a resin film for forming an optical waveguide for at least one of a lower cladding layer, a core layer and an upper cladding layer, wherein a ten point average roughness (Rz) on a surface of either one... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090010603 - Resin composition for optical packaging material and process for preparing the same, and optical packaging material, optical packaging component, and optical module: To provide to a resin composition for an optical packaging material having a coefficient of thermal expansion approximately same as that of quartz and Pyrex (registered trade name) and capable of providing an optical packaging material exhibiting excellent flame retardancy and an optical packaging component, and an optical module and... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090010605 - Multilayer optic device and system and method for making same: An optic device, system and method for making are described. The optic device includes a first solid phase layer having a first index of refraction with a first photon transmission property and a second solid phase layer having a second index of refraction with a second photon transmission property. The... Agent: General Electric Company Global Research

20090010606 - Cable installation: A method for use in connection with installing a fibre unit (10) into a conduit (8) having a first end (6) and a second end, the method being suitable to detect when the fibre unit introduced into the first end arrives at the second end, and comprising the steps of:... Agent: Nixon & Vanderhye, PC

20090010607 - Rack for optical distribution frame: A rack (1) for optical distribution frame includes a plurality of horizontal supports for sockets with connections on a front face (1A) of the rack and means for management of the bundles of optical cables outside each socket. These means for management are made from a plurality of guiding systems... Agent: Sofer & Haroun LLP.

20090010608 - Nanocomposites: This invention provides composite materials comprising nanostructures (e.g., nanowires, branched nanowires, nanotetrapods, nanocrystals, and nanoparticles). Methods and compositions for making such nanocomposites are also provided, as are articles comprising such composites. Waveguides and light concentrators comprising nanostructures (not necessarily as part of a nanocomposite) are additional features of the invention.... Agent: Nanosys Inc.

20090003753 - Method for generating a linear single polarization output beam: A method for generating a linear single-polarization output beam comprises providing an optically active linearly birefringent and linearly dichroic fiber for propagating light and having a single polarization wavelength range and a gain bandwidth; optically pumping the optically active linearly birefringent and linearly dichroic fiber for obtaining fluorescence within the... Agent: Corning Incorporated

20090003754 - Silicon structure and method of manufacturing the same: A silicon structure includes a silicon substrate; and an on-substrate structure including a silicon compound film and formed on said silicon substrate. At least one removal section removed through anisotropic etching and at least one supporting column left through the anisotropic etching to support said on-substrate structure are provided for... Agent: Nec Corporation Of America

20090003756 - Optical device: An optical device including (a) a substrate having an electro-optic effect; (b) a modulating optical waveguide formed on a surface layer portion of said substrate and forming an interference optical modulator for modulating input light; (c) an output optical waveguide formed on said surface layer portion of said substrate and... Agent: Staas & Halsey LLP

20090003755 - Systems and methods for integrated optical circuitry for high data rate optical transmission and reception: Embodiments include systems and methods for integrated circuitry optical modulation. In one embodiment, an integrated circuit comprises an optical waveguide enabling multi-level modulation. The embodiment comprises an optical waveguide with integrated circuit modulators. An optical waveguide is split into at least two branches so that modulation can be imposed in... Agent: Schubert, Osterrieder & Nickelson, PLLC C/o Intellevate, LLC

20090003757 - Waveguide-type broadband optical isolator: A waveguide-type broadband optical isolator according to the present invention, comprising: a reciprocal phase shifter which makes a phase difference 3π/2 between a first light wave propagating through a first waveguide and a second light wave propagating through a second waveguide, with a fundamental operating wavelength λ, and a nonreciprocal... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090003758 - Impact resistant optical waveguide and method of manufacture thereof: An impact resistant waveguide includes a clad surrounding a core. A reinforcing filler is incorporated in a curable silicone composition used to prepare the core, thereby imparting impact resistance to the core. A method of manufacture of the waveguide includes injecting the curable silicone composition into a clad made of... Agent: Dow Corning Corporation Co1232

20090003759 - Distributed optical pressure and temperature sensors: Disclosed herein is a carrier for an optical fiber having a plurality of optical sensors located thereon. Such carrier can be a thick-walled capillary tube or other shapes. The carrier has a sealed hollow body with a side wall. The side wall is profiled at least one predetermined location to... Agent: The H.t. Than Law Group

20090003760 - Distributed optical pressure and temperature sensors: Disclosed herein is a carrier for an optical fiber having a plurality of optical sensors located thereon. The carrier has a test section comprising a cavity and at least one geometric discontinuity, wherein in response to a pressure applied to the test section, a stress concentration is formed proximate to... Agent: The H.t. Than Law Group

20090003762 - Chip to chip optical interconnect: An apparatus for optical communication is provided. The apparatus includes a first waveguide formed on a first surface and a second waveguide formed on a second surface. The first and second surfaces are bonded together to form an air gap between the first and second surfaces and diffraction gratings of... Agent: Perman & Green, LLP

20090003763 - Forming a surface-mount opto-electrical subassembly (smosa): In one embodiment, the present invention includes an apparatus having a three-dimensional (3D) interconnect with a first cavity and a second cavity, and an integrated device formed of an electronic integrated circuit (IC) bonded to at least one optoelectronic (OE) die. The integrated device is bonded to the 3D interconnect... Agent: Trop Pruner & Hu, PC

20090003765 - Imaging system and related techniques: A method and apparatus for imaging using a double-clad fiber is described.... Agent: Dorsey & Whitney LLP Intellectual Property Department

20090003764 - Method of making optical probes for non-invasive analyte measurements: An optical probe for non-invasively measuring an analyte property in a biological sample of a subject, comprises a plurality of illumination fibers that deliver source light from an optical probe input to a sample interface, a plurality of collection fibers that deliver light returned from the sample interface to an... Agent: V Gerald Grafe

20090003761 - Optoelectronic integrated circuit device and communications equipment using same: A photoelectric integrated circuit device, in which photonic devices provided on the same substrate as the LSI are densely arranged along the four sides of the LSI, and characteristic degradation of the laser diode or photo detector due to heat generation can be prevented, furthermore optical wiring is easily performed... Agent: Reed Smith LLP

20090003766 - Continuous optical null tracking method for optical switch: A method and apparatus are provided for real-time correction of a voltage drift of an optical switch. The correction may be made without interrupting an optical data stream of the optical switch. Three voltage states of the optical switch may be monitored continuously to determine whether a voltage drift has... Agent: Patti, Hewitt & Arezina LLC

20090003767 - Spectrally resolved fast monitor: A method and apparatus for monitoring spectral tilt uses an arrayed waveguide grating (AWG) to separate a multiplexed optical signal having a plurality of wavelength channels into a plurality of sub-bands, where each sub-band spans a different wavelength range and includes more than one wavelength channel. A photodetector array is... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20090003768 - Method and apparatus for reduction on optical coupling between pump lasers and photodetectors in optical amplifiers: In a first aspect, the present invention comprises an optical filter comprising a fiber having a core and a cladding and a light-absorbing coating applied onto a portion of the fiber cladding, the coating attenuating loosely bound cladding modes. In another aspect, the invention comprises a fiber amplifier apparatus comprising... Agent: Attn: John C. Carey Moser Patterson & Sheridan, LLP

20090003769 - Optical isolator: On a surface of an Si layer of a substrate, a plurality of optical waveguides are formed that extend linearly in the Y-axis direction and that are separated from each other by a predetermined spacing in the X-axis direction. These optical waveguides each have a width that monotonously increases in... Agent: Birch Stewart Kolasch & Birch

20090003770 - Vertical optical coupling structure: The present disclosure provides an apparatus, method of manufacturing an apparatus, and method for operation of the same. 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... Agent: Hitt Gaines, PC Alcatel-lucent

20090003771 - Optical fiber connection system: An optical fiber connection system detects when proper connection is made between a fiber-optic cable and a bulkhead. A conductive strip on the fiber-optic cable contacts a first and second conductor on the bulkhead upon proper positioning of the bulkhead relative to the fiber-optic cable. The system includes indicators for... Agent: Raman N. Dewan Jackson Walker, L.L.P.

20090003772 - Mechanical interface converter for making non-ruggedized fiber optic connectors compatible with a ruggedized fiber optic adapter: An interface converter is provided for mechanically and optically coupling a non-ruggedized fiber optic connector with a ruggedized adapter port. In a preferred embodiment, the interface converter attaches to an SC fiber optic connector and together form a converted fiber optic connector compatible with the ruggedized adapter port. In certain... Agent: Merchant & Gould PC

20090003774 - Marker groove forming device: Marker grooves of an optical fiber are formed by a marker groove forming device including at least, on a substrate, a fiber guide and optical fiber pressing springs formed on a side wall surface in the fiber guide. The optical fiber pressing springs include edges contacted and pressed to the... Agent: Gallagher & Lathrop, A Professional Corporation

20090003773 - Method of forming an optical fiber: Marker grooves of an optical fiber are formed by a marker groove forming device including at least, on a substrate, a fiber guide and optical fiber pressing springs formed on a side wall surface in the fiber guide. The optical fiber pressing springs include edges contacted and pressed to the... Agent: Gallagher & Lathrop, A Professional Corporation

20090003775 - Optical component and adapter including the same: An optical component is improved in workability during assembly operation thereof and makes it possible to easily position an optical fiber. A first ferrule is press-fitted into one end of a central hole of a connecting member, and a second ferrule is press-fitted into the other end of the central... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090003776 - Crimp for an optical cable connector: A crimp (30) comprises a hollow crimp body (31) that is open at each end (32, 33) and includes, at a first end (32), a first crushable crimp tube (34) for crimping onto a connector; and at a second end (33) a second crushable crimp tube (36) for crimping onto... Agent: Baker & Daniels LLP

20090003777 - Connection device with a cable gland having housing parts enabling relative movement therebetween: A connection device for connecting an optical fiber to an electrical device has a housing, a cable gland, and a plug for insertion into the corresponding socket of the electrical device, the housing having a cable passage for insertion of the optical fiber, the plug being held at least partially... Agent: Roberts Mlotkowski Safran & Cole, P.C. Intellectual Property Department

20090003778 - Fiber optic cable assembly: A fiber optic cable assembly comprising a fiber optic cable having a plurality of optical fibers disposed within a cable sheath and having an access point through the cable sheath for accessing and preterminating at least one of the plurality of optical fibers, at least one tether attached about the... Agent: Corning Incorporated

20090003779 - Optical fiber cable having raised coupling supports: Disclosed is an optical fiber cable that includes optical fibers and a deformable coupling element enclosed within a buffer tube. The coupling element is formed from a deformable yet substantially incompressible material and features a number of raised members projecting toward the optical fibers. The design of the coupling element... Agent: Summa, Allan & Additon, P.A.

20090003780 - Optical fiber assemblies having relatively low-levels of water-swellable powder and methods therefor: Disclosed are fiber optic assemblies having at least one optical fiber and a water-swellable powder within a tube and/or cavity and methods for making the same. Fiber optic assemblies of the present invention use relatively low-levels of water-swellable powder while still effectively blocking the migration of tap water and/or saline... Agent: Corning Incorporated

20090003781 - Optical fiber cable having a deformable coupling element: Disclosed is an optical fiber cable that includes optical fibers and a deformable coupling element enclosed within a buffer tube. The coupling element is formed from a deformable yet substantially incompressible material that is capable of releasably and intermittently coupling the optical fibers to the buffer tube in various orientations.... Agent: Summa, Allan & Additon, P.A.

20090003782 - Fiber optic drop ribbon, system, and associated method: A fiber optic drop ribbon is described that can be attached to structures, such as the walls of multi-dwelling units (MDUs), for connecting subscribers to a fiber optic communications network. A number of coated optical fibers are supported by a backing strip of the article having a first and second... Agent: Verizon Patent Management Group

20090003783 - Subwavelength-diameter silica wires for low-loss optical waveguiding: The present invention provides nanometer-sized diameter silica fibers that exhibit high diameter uniformity and surface smoothness. The silica fibers can have diameters in a range of a about 20 nm to about 1000 nm. An exemplary method according to one embodiment of the invention for generating such fibers utilizes a... Agent: Nutter Mcclennen & Fish LLP

20090003784 - Light guiding member and bifurcated linear light source apparatus: A light guiding member having a light direction changing face which extends in a longitudinal direction of the light guiding member and a light emitting face which faces the light guiding member, wherein the light direction changing face includes two faces arranged so that vertical faces which extend in the... Agent: Rader Fishman & Grauer PLLC

20090003785 - Coupling composition for optical fiber cables: The present invention relates to a novel coupling composition that is used within optical fiber cables to protect optical fibers and to couple the optical fibers and the surrounding buffer tube casing. The present invention also relates to optical fiber cables that use the novel coupling composition.... Agent: Summa, Allan & Additon, P.A.

20090003786 - Optical fiber module and optical device: An optical fiber module includes an optical fiber that transmits a light and a holding unit that holds the optical fiber in a state in which the optical fiber is stretched in its longitudinal direction to change optical characteristics of the optical fiber.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090003787 - Method for manufacturing a preform as well as a method for forming optical fibres from such a preform: The present invention relates to a method for manufacturing a preform for optical fibres by means of a vapour deposition process, wherein plasma conditions are created, and wherein the plasma is moved back and forth along the longitudinal axis of the hollow substrate tube between a reversal point near the... Agent: Adams Intellectual Property Law, P.A.

20090003788 - Composite waveguide: A composite waveguide includes a central core configured to transmit a plurality of modes and at least one side core helically wound about the central core and configured to be selectively coupled to at least a portion of the plurality of modes in the central core.... Agent: Rader, Fishman & Grauer PLLC

20090003789 - Imaging system and related techniques: A method and apparatus for imaging using a double-clad fiber is described.... Agent: Dorsey & Whitney LLP Intellectual Property Department

20090003790 - Optical waveguide device and device for producing optical waveguide device: An optical waveguide device that is smaller in size and has higher impact resistance. The optical waveguide device (1) has a V-groove (14) formed in a groove forming surface (SF) at an end of a base board (10) where an optical waveguide section (11) is formed. An optical fiber element... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090003791 - Apparatus and method for managing flexible elongate elements: An apparatus for managing lengths of flexible elongate elements between two fixed points has a single spool with a track of predetermined width sufficient for winding alternate turns of the elongate element about opposite side regions of the track in a folded figure eight pattern. A first turn of the... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20090003792 - Quad field data distribution system with fiber optic converter: A quad field data distribution system with a fiber optic converter includes a weatherproof housing with a hinged lid and a panel positioned in the housing and having a plurality of interconnection groups of connector elements mounted on the panel. Each interconnection group includes a multiple contact box connector, sets... Agent: Shughart Thomson & Kilroy, PC

20090003793 - Fiber optic connector: A fiber optic connector may include a first cover with an integral restraining mechanism and a second cover with a reciprocal restraining mechanism. A fiber optic cable having a ferrule at a terminating end may be placed within the fiber optic connector. A dust cap may be placed on the... Agent: Verizon Patent Management Group