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Optical waveguides August list RSS, inventions by patent category 08/07

20070201784 - Asymmetric directional coupler having a reduced drive voltage: The invention relates to an electro-optic directional coupler suitable for use as a variable optical attenuator at reduced voltages compared to those known in the prior art. The present invention has found that by careful selection of an asymmetric directional coupler geometry, the transfer function of the device can be... Agent: Charles E. Wands Allen Dyer Doppelt Milbrath And Gilchrist Pa

20070201785 - Deployment of electro-optic amplitude varying elements (aves) and electro-optic multi-functional elements (mfes) in photonic integrated circuits (pics): Electro-optic amplitude varying elements (AVEs) or electro-optic multi-function elements (MFEs) are integrated into signal channels of photonic integrated circuits (PICs) or at the output of such PICs to provide for various optical controlling and monitoring functions. In one case, such PIC signal channels may minimally include a laser source and... Agent: North Weber & Baugh LLP Carothers, W. Douglas

20070201786 - Method for characterizing an optical fiber link: A method for characterizing an optical link by its beat length, coupling length and polarization mode dispersion is disclosed. A pulsed signal is sent along said optical fiber link and the backscattered signal (being a POTDR signal) is measured after passing through a polarizer. The length of said optical fiber,... Agent: Knobbe Martens Olson & Bear LLP

20070201788 - Depth-resolved reflectance instrument and method for its use: A reflectance instrument illuminates the surface of tissue with light of a selected wavelength and light emanating from the tissue due to reflectance is collected. The angle of illumination of tissue surface and/or collection of reflections is changed to probe at various depths beneath the surface of the tissue. The... Agent: Quarles & Brady LLP

20070201787 - Sensor device: The present invention relates to a sensor device for detecting the amount of or changes in chemical stimuli in a gaseous or liquid phase analyte (e.g. a microanalyte) having means for intimately exposing at least a part of the (or each) sensing element to the localised environment containing the chemical... Agent: The Watson Intellectual Property Group, PLC

20070201789 - Integrated tunable wavelength converter and variable optical delay: A monolithically integrated tunable wavelength converter and variable optical delay device(s) that is capable of providing optical delay(s) of any length. Advantageously, our devices are both compact and readily realized as a photonic integrated circuit (PIC) on a semiconductor substrate.... Agent: Brosemer, Kolefas & Associates, LLC - (lucent)

20070201790 - Optical transmission system and dispersion compensation method for optical transmission system as well as simulation equipments: A chromatic dispersion compensation method is disclosed wherein setting of a dispersion compensation amount with which the quality of a signal to be reproduced at a receiver side is enhanced when compared with that of conventional equipments can be searched readily. In the method, the value to be set as... Agent: Staas & Halsey LLP

20070201791 - Higher order mode dispersion compensating fiber and mode converter for higher order fiber: A higher order mode dispersion compensating fiber includes an optical fiber and a first loss layer which is provided within the fiber and which attenuates a lower order mode propagating through the optical fiber while not attenuating a higher order mode which is higher than the lower order mode. A... Agent: Sughrue Mion, PLLC

20070201792 - Waveguide device having improved spatial filter configurations: An optical waveguide device is provided for receiving light that has a guided mode and an unguided mode. The device comprises an optically transmissive substrate having first and second substantially opposite surfaces, an input end, and an output end. An optical waveguide region is disposed within the substrate and extends... Agent: Honeywell International Inc.

20070201794 - Active in-fiber optic components powered by in-fiber light: An optical fiber system that includes an in-fiber optic component powered by in-fiber light includes an optical fiber having a core, wherein the optical fiber propagates a sensing/signal light and a power light, with the sensing/signal light being propagated in the core. An optical transducing element, such as a layer... Agent: Eckert Seamans Cherin & Mellott

20070201793 - Multi-core optical fiber and method of making and using same: The apparatus includes a fiber comprising an axial center, a central single-mode waveguiding core and a plurality of peripheral single-mode waveguiding cores. The central core is located at a first distance from the axial center. The plurality of peripheral cores is located at respective second distances from the axial center.... Agent: Naval Research Laboratory Associate Counsel (patents)

20070201795 - Coherent fiber diffractive optical element beam combiner: An optical beam combiner and a related method for its operation, in which multiple coherent input beams are directed onto a diffractive optical element (DOE) along directions corresponding to diffraction orders of the DOE, such that the DOE generates a single output beam in a direction corresponding to a desired... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20070201796 - Optical structure: An optical structure comprising an optical resonator is provided. The optical resonator comprises a first set of nested closed optical regions, forming a distributed feedback resonator structure with a direction of radially alternating optical refractive index, and a second set of nested optical regions, forming a distributed feedback resonator structure... Agent: Ido Tuchman

20070201797 - Glass-based micropositioning systems and methods: Glass-based micropositioning systems and methods are disclosed. The micropositioning systems and methods utilize microbumps (40) formed in a glass substrate (12 or 100). The microbumps are formed by subjecting a portion of the glass substrate to localized heating, which results in local rapid expansion of glass where the heat was... Agent: Corning Incorporated

20070201798 - Hybrid adapter: A universal hybrid adapter includes a first housing part, a second housing part, and a sleeve. The first housing part has a receptacle end configured to receive a plug connector including a ferrule having a first diameter. The second housing part has a receptacle end configured to receive a plug... Agent: Attention Of Steven C. Bruess Merchant & Gould P.C.

20070201799 - Fiber optic cables having a toning lobe: Fiber optic cables are disclosed that have a toning lobe that allows the conductive wire to migrate toward the main cable body while still allowing adequate separation performance of the toning lobe. More specifically, the fiber optic cable includes a main cable body having at least one optical waveguide and... Agent: Corning Cable Systems LLC

20070201800 - Laser display device and optical coupler therefor: A laser display device, which eliminates speckles generated in the transmission of laser beams and uniformly mixes laser beams of various colors, and an optical coupler therefor. The laser display device includes light sources emitting laser beams; an image display unit displaying an image by the laser beams; and a... Agent: Mckenna Long & Aldridge LLP

20070201802 - Method of changing the refractive index in a region of a core of a photonic crystal fiber using a laser: Fiber Bragg gratings were written in pure silica photonic crystal fibers and photonic crystal fiber tapers with 125 fs, 800 nm IR radiation. High reflectivites were achieved with short exposure times in the tapers. Both multimode and single mode grating reflections were achieved in the fiber tapers. By tapering the... Agent: Teitelbaum & Maclean

20070201801 - Optical fiber with holes: This is an optical fiber comprising: a central core (1); a first annular region (ra) surrounding the central core (1); a second annular region (rb) surrounding the first annular region (ra) and comprising medium-size cavities (3) the cross section whereof remains strictly between a given first threshold and a given... Agent: Sughrue Mion, PLLC

20070201803 - Method for fabrication of multilayered optical waveguide structure and mulitlayered optical waveguide structure: A method for fabrication of a multilayered optical waveguide structure which includes at least two substrates, and an optical waveguide layer disposed between the substrates and having at least one core region and side cladding regions laterally succeeding from the core region. The method is characterized in that the optical... Agent: Kubovcik & Kubovcik

20070201804 - Method and apparatus for resonant coupling in photonic crystal circuits: The present invention is a method and an apparatus for resonant coupling in photonic crystal circuits. In one embodiment, a photonic crystal device comprises a substrate having a plurality of apertures formed therethrough, a photonic crystal circuit (e.g., formed by “removing” a series of apertures), and a strip waveguide extending... Agent: Moser, Patterson & Sheridan, LLP

20070201805 - Optical transmission device and light-receiving module: An optical transmission device is provided with a first optical member having a negative refraction angle with respect to an incident angle of a beam and a second optical member having a positive refraction angle with respect to the incident angle, wherein the first and second optical members are arranged... Agent: Ratnerprestia

20070201806 - Cable management panel with sliding drawer and methods: An optical fiber cable management panel includes drawer assemblies, each including a drawer slidable within a chassis. The drawer assemblies are secured together by a bracket that includes an interlock arrangement with the chassis. Such an interlock arrangement includes a non-threaded stud engaging a hole. Radius limiters may be part... Agent: Attention Of Karen A. Fitzsimmons Merchant & Gould P.C.

20070201807 - Optical fiber array, optical component and optical switch using the optical fiber array: An optical fiber array for insertion-positioning and arranging coated optical fibers in a substrate, in which a plurality of through-holes are formed, wherein a coating of a tip of the coated optical fiber is removed to expose a optical fiber, and wherein with the use of three substrates, the optical... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070201808 - Waveguide assembly and connector: One aspect of the invention relates to a waveguide assembly. The waveguide assembly comprises a waveguide (120) provided on a substrate (126), a waveguide housing (100) and an embedding layer (138) embedding at 5 least part of the waveguide housing (100). The waveguide housing (100) comprises a waveguide channel (102)... Agent: Renner Otto Boisselle & Sklar, LLP

20070201810 - Methods and systems for controlling fiber polarization mode dispersion (pmd): A method is provided for predicting an installed performance parameter of an optical fiber cable. The method includes obtaining a measurement indicative of a value of the performance parameter at a first moment in time. A measurement indicative of a value of the performance parameter at a second moment in... Agent: Verizon Patent Management Group

20070201809 - Multi-communication pathway addressing in a mobile communication device: A system and method for performing multi-communication pathway addressing in a mobile communication device. Various aspects of the present invention may comprise at least one communication interface module adapted to communicate with at least a first plurality of communication networks. At least one module may be adapted to utilize the... Agent: Mcandrews Held & Malloy, Ltd

20070196050 - Low loss funnel-type plc optical splitter with input cladding mode absorption structure and/or output segmented taper structure: A funnel-type planar lightwave circuit (PLC) optical splitter having an input optical waveguide, a slab waveguide receiving the input optical signal from the input optical waveguide, and output waveguides projecting from the slab region. The region connecting the slab waveguide to the output waveguides is characterized by a segmented taper... Agent: Kevin P. Radigan, Esq.

20070196051 - Substrate for forming passive elements in chip type: A substrate for forming passive elements in chip type has a top surface, a thickness, multiple parallel grooves, multiple through holes and multiple chip regions. The parallel grooves are formed on the top surface of the substrate. The through holes are formed between and across two adjacent parallel grooves, and... Agent: Kamrath & Associates P.A.

20070196055 - Optical connector and connection structure of optical fibers: An optical connector having: a ferrule into which a first optical fiber is inserted; an optical fiber connector disposed at an back end of the ferrule; and a cross-linkable refractive index matching member attached onto an end face on a back end side of the first optical fiber. The end... Agent: Foley And Lardner LLP Suite 500

20070196057 - Optical power monitor: An optical power monitor having a reduced number of component parts, easy to assemble, capable of facilitating positioning for achieving improved optical coupling, and having a reduced size and a reduced manufacturing cost. A pigtail fiber in which the center axis of an optical fiber is shifted from the center... Agent: Sughrue Mion, PLLC

20070196040 - Method and apparatus for providing back-lighting in an interferometric modulator display device: Methods and apparatus for providing light in an interferometric modulator device are provided. In one embodiment, a microelectromechanical system (MEMS) is provided that includes a transparent substrate and a plurality of interferometric modulators. The interferometric modulators include an optical stack coupled to the transparent substrate, a reflective layer over the... Agent: Knobbe, Martens, Olson & Bear, LLP

20070196041 - Cascaded modulator system and method for qkd: A cascaded modulator system (20) and method for a QKD system (10) is disclosed. The modulator system includes to modulators (M1 and M2) optically coupled in series. A parallel shift register (50) generates two-bit (i.e., binary) voltages (L1, L2). These voltage levels are adjusted by respective voltage adjusters (30-1 and... Agent: OpticusIPLaw, PLLC

20070196042 - Integrated optics polarization beam splitter using form birefringence: A method for separating the orthogonal polarization components of an incident optical signal into two spatially separated output ports is described. The method comprises a Mach-Zehnder interferometer where one of the two branches has a section of waveguide that exhibits form-birefringence. This integrated optic Polarization Beam Splitter (PBS) is broadband,... Agent: Dunlap, Codding & Rogers P.C.

20070196043 - Planar-resonator based optical chemo- and biosensor: A biological or chemical optical sensing device comprises at least one planar micro-resonator structure included in a light emitting waveguide, and at least one biological or chemical probe bound to at least a part of the micro-resonator structure, the probe operative to bind specifically and selectively to a respective target... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20070196044 - Optical device, optical connector, electronic device, and electronic equipment: A light-emitting element (2) and a light-receiving element (3) are mounted, spaced from each other, on a main body (1a) of a flexible board (1). These elements (2, 3) are encapsulated in a light-permeable light-emitting side molded resin section (6a, 6b) and a light-permeable light-receiving side molded resin section (6c,... Agent: Birch Stewart Kolasch & Birch

20070196045 - Method of coupling an electromagnetic signal between a signal source and a waveguide: In a method for coupling an electromagnetic signal between an electromagnetic signal source and an electromagnetic waveguide, wherein, in use, there is relative movement between the source and the waveguide, at each side where the source is launched into the waveguide, the properties of the waveguide are modified to permit... Agent: Schiff Hardin, LLP Patent Department

20070196046 - High-power fused collimator and associated methods: A method for making a high-power fused collimator, and a fused collimator made thereby, are provided. A fused collimator is provided that includes an end of a stripped end portion of an optical fiber fused to a proximal face of a silica lens. In an embodiment, a joint formed by... Agent: Jacqueline E. Hartt, Ph.d Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.

20070196047 - Method and apparatus for detecting multiple optical wave lengths: Optical gratings that perform a number of functions at various wavelengths are formed by various methods that preserve spectral information within a wavelength band, the functions including: coupling radiation from one waveguide to another, controllable gratings that operate on different wavelengths in response to external control signals.... Agent: Dorsey & Whitney LLP Intellectual Property Department

20070196048 - Optical waveform shaping: A fiber including a fiber grating and at least one refractive index modifier interfacing the fiber grating, the at least one refractive index modifier selectively introducing a refractive-index change on the fiber grating.... Agent: Rader, Fishman & Grauer PLLC

20070196049 - Tunable resonant cavity based on the field effect in semiconductors: The index of refraction of waveguide structures can be varied by altering carrier concentration. The waveguides preferably comprise semiconductors like silicon that are substantially optically transmissive at certain wavelengths. Variation of the carrier density in these semiconductors may be effectuated by inducing an electric field within the semiconductor for example... Agent: Knobbe Martens Olson & Bear LLP

20070196052 - Self-aligning optical connector and method for using the same: A self-aligning connector for connecting fiber-optic cables including a first component connected to a first cable of the cables during use of the connector and a second component connected to the first component and a second cable of the cables during use of the connector. The connector further includes an... Agent: Lee & Hayes, PLLC

20070196053 - Isolated fiber optic union adapters: Devices to enhance the reliability of optical networks and to reduce the cost of repair are disclosed in this invention. In particular, fiber optic union adapters with built-in protective isolation prevent a damaged, connectorized fiber optic cable from degrading other fiber optic terminations within the network should they be physically... Agent: Anthony Kewitsch

20070196054 - Field-installable fusion spliced fiber optic connector kits and methods therefor: A field-installable fusion spliced optical fiber connector including a ferrule, a fiber stub, a splice cover defining a longitudinal passage therethrough, a crimp body coupled to the splice cover, a biasing spring and a connector housing. A ferrule handling block is used for handling the ferrule during connector assembly and... Agent: Corning Cable Systems LLC

20070196056 - Fiber-optic endface cleaning assembly and method: A cleaning apparatus (100) for cleaning an endface (202) of an optical fiber contained within an interface device (200) is provided. The cleaning apparatus includes a housing (110) having an interface portion (116) adapted to be received by the interface device. The cleaning apparatus also includes at least a first... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070196059 - Tape-shaped optical fiber cable: A tape-shaped optical fiber cable has: a tape member formed of a fiber material and a cured resin formed around the fiber material; and an optical fiber embedded in the tape member. The optical fiber is covered by a covering material, the fiber material comprises a bidirectional fiber material. The... Agent: Mcginn Intellectual Property Law Group, PLLC

20070196058 - Apparatus and method for identification of optical cable: In order to identify an optical cable for optical communication from a remote place, a Sagnac interferometer including two strands of an optical fiber is formed in the optical cable, and a worker in the remote place applies a disturbance of a popping sound to an optical cable to be... Agent: Knobbe Martens Olson & Bear LLP

20070196060 - Method to minimize excess cable length: The present invention relates to method and arrangement to minimize excess fiber cable in large-scale point-to-point fiber installations, between equipment ODF, AE located in different equipment cabinets 1, 2. Each cabinet comprises at least one casing 4, 5, which casings are arranged to connect fiber cables with equipment in the... Agent: Ericsson Inc.

20070196061 - Multiband optical fiber: An optical waveguide fiber having a core surrounded by a cladding. The core may have only a central segment, or a central segment and an annular segment surrounding the central segment. The central segment has a positive relative refractive index profile. The annular segment has a negative relative refractive index... Agent: Corning Incorporated

20070196062 - Optical fiber: An optical fiber includes a clad portion and a core portion surrounded by the clad portion. Here, the clad portion is formed by substantially pure quartz, and the core portion has a higher refractive index than the clad portion. The optical fiber is characterized in that a relative refractive index... Agent: Mcginn Intellectual Property Law Group, PLLC

20070196063 - Waveguide configuration: A waveguide configuration comprising a core, a first cladding, a second cladding, and a buffer. The core includes an index of refraction and an acoustic shear velocity. The first cladding extends about the core and has an acoustic shear velocity which is less than that of the core and an... Agent: The Watson Intellectual Property Group, PLC

20070196064 - Multistep index optical fiber: A multi step index optical fiber includes at least two concentrically arranged core portions, each having constant refractive index. The refractive indices of the core portions decrease toward the outer periphery of the optical fiber. The refractive indices of the core portions are set such that differences ΔN between refractive... Agent: Sughrue Mion, PLLC

20070196066 - Process for formation of three-dimensional photonic crystal: A process for forming a three-dimensional photonic crystal comprises the steps of providing a base material having a first face and a second face adjoining to each other at a first angle, forming a first mask on the first face, dry-etching the first face in a direction at a second... Agent: Fitzpatrick Cella Harper & Scinto

20070196065 - Optical waveguide for transmitting surface plasmon-polariton wave: An optical waveguide for transmitting a surface plasmon-polariton wave comprises a metallic thin film formed to have a triangle-shaped cross-section; and a pair of first and second dielectric layers coupled to each other such that the opposing surfaces thereof come in contact with each other, with the metallic thin film... Agent: Lowe Hauptman Berner, LLP

20070196067 - Optoelectric printed circuit board, method of manufacturing the same, and optoelectric transmission method using the optoelectric printed circuit board: Provided are an optoelectric printed circuit board (PCB) including an optoelectric transmission metal track and a dielectric layer, an optoelectric transmission method using the optoelectric PCB, and a method of manufacturing the optoelectric PCB. The optoelectric transmission method includes injecting light and electricity to the optoelectric PCB including at least... Agent: Ladas & Parry LLP

20070196068 - Fiber optic cable systems and kits and methods for terminating the same: A fiber optic cable system includes a fiber optic main cable having a strength member and a plurality of optical fibers extending therein within an outer cable sheath. A flexible longitudinally extending inner housing is positioned proximate the plurality of optical fibers on a section of the main cable having-the... Agent: Marguerite E. Gerstner Tyco Electronics Corporation

20070196069 - Optical connector cleaning method, cleaning fixture, cleaning fixture unit and optical connector: There is provided an optical connector cleaning method for cleaning a ferrule of an optical connector, having a spraying step of spraying cleaning solvent on the ferrule and a removing step of blowing away the solvent by blowing air before the solvent dries. The optical connector cleaning method may further... Agent: Jianq Chyun Intellectual Property Office

20070196071 - Patch panel: An angled patch panel having left and right end panel sections and left and right central panel sections, each section having at least one connector mounting aperture. The left central panel section and left end panel section being attached together at an angle other than 180 degrees, and the right... Agent: Davis Wright Tremaine, LLP

20070196070 - Post mount for a fiber distribution hub: A post mount includes an outer body, an inner body, and a base. The outer body defines at least one aperture through which at least one fiber optic cable can enter the outer body. The inner body is configured to fit inside the outer body in a telescoping arrangement. The... Agent: Merchant & Gould PC

20070196072 - Wireless communication system and receiving device: The present invention is to provide a wireless communication system and a receiving device each capable of restraining a circuit scale and obtaining an excellent error rate performance. In a wireless communication system in which a transmitting device and a receiving device communicate in an orthogonal frequency division multiplexing system,... Agent: Bingham Mccutchen LLP

20070189663 - Optical crossconnect apparatus: In working path setting, a backup path is previously prepared assuming a link failure, and a demultiplexer of a bypass link is connected to a wavelength conversion repeater through an optical switch. Upon occurrence of a link failure, the wavelength conversion repeater is connected to a multiplexer of the bypass... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070189676 - Method for manufacturing optical module: A method for manufacturing an optical module equipped with an optical element includes the steps of: (a) preparing a support member for supporting an optical element; (b) providing a spacer on the supporting member; (c) pressing the spacer to cause a plastic deformation therein; (d) bonding the optical element and... Agent: Harness, Dickey & Pierce, P.L.C

20070189654 - Interconnect structure for mems device: An iterferometric modulator array is formed with connectors and/or an encapsulation layer with electrical connections. The encapsulation layer hermetically seals the array. Circuitry may also be formed over the array.... Agent: Knobbe Martens Olson & Bear LLP

20070189655 - Acousto-optic device and fabrication method of acousto-optic device: An acousto-optic device is disclosed which can achieve both of suppression of secular change and prevention of device damage and can maintain a stabilized wavelength selection filtering operation. The acousto-optic device includes a substrate on which a SAW guide for guiding a surface acoustic wave and an optical waveguide for... Agent: Staas & Halsey LLP

20070189656 - Method and apparatus for the evaluation of polarization mode dispersion in optical fibers: A method of evaluating the Polarization Mode Dispersion (PMD) of an optical fiber by arranging the optical fiber at substantially zero tension on a surface, propagating prescribed evaluation optical signals along the optical fiber, measuring fiber Differential Group Delay (DGD) values in response to the evaluation optical signals, repeating at... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070189657 - Polarization beam separator and combiner: The present invention relates to a device for use in a fiber optic system that may be a communication system, a sensing system or other system using guided-wave optical components. Reducing the number of lenses required to couple the waveguides and the free-space paths in the device offers the dual... Agent: Carlson, Caspers, Vandenburgh & Lindquist

20070189658 - Pressure compensated optical accelerometer, optical inclinometer and seismic sensor system: An optical accelerometer includes means for changing the length of at least one optical fiber in response to acceleration functionally coupled to the at least one optical fiber. The fiber and the means for changing length are enclosed in a pressure compensated housing. The housing is filled with a substantially... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.

20070189661 - Material for substrate mounting optical circuit-electrical circuit mixedly and substrate mounting optical circuit-electrical circuit mixedly: A material for an optical circuit-electrical circuit mixedly mounting substrate comprises a light permeable resin layer, and an optical circuit forming layer that is made of a light permeable resin of which refractive index increases (or decreases) when irradiated with an activating energy beam and is disposed adjacent to the... Agent: Greenblum & Bernstein, P.L.C

20070189660 - Optical module: An optical module outputting transmitted optical signals from a light-emitting element to an optical fiber and guiding received optical signals arriving from the same optical fiber to a light-receiving element prevents transmitted optical signals originating from the light-emitting element of a local station from coupling to the light-receiving element, devolving... Agent: Young & Thompson

20070189659 - Thin film optical patterning devices: The present invention provides structures and methods for manufacturing thin film optical devices that perform the functions of prior art focal lenses. Multiple light beams are guided to the same focal point through thin film optical fiber channels with IC grade precision. The optical fiber lens of the present invention... Agent: Jeng-jye Shau

20070189662 - All-optical switch: In a Mach-Zehnder optical circuit that has a 3 dB coupler 10 whereby an NRZ light signal 53 inputted to an input port 7 is distributed to both arms of the circuit, a 3 dB coupler 3 whereby CW light 52 inputted to an input port 8 is distributed to... Agent: Dickstein Shapiro LLP

20070189664 - Optical delivery systems and methods of providing adjustable beam diameter, spot size and/or spot shape: An optical device and method for varying an optical characteristic of an optical beam can include a plurality of optical fibers each having an input end, an output end, and a core, wherein each of the optical fibers has an effective area and a numerical aperture, and a beam deviating... Agent: Dla Piper Rudnick Gray Cary Us, LLP

20070189665 - All-optical logic gates using nonlinear elements - claim set v: An all-optical logic gates comprises a nonlinear element such as an optical resonator configured to receive optical input signals, at least one of which is amplitude-modulated to include data. The nonlinear element is configured in relation to the carrier frequency of the optical input signals to perform a logic operation... Agent: Alston & Bird LLP

20070189666 - Composite evanescent waveguides and associated methods: A composite evanescent waveguide can include a first structured dielectric layer and a second dielectric material oriented adjacent one another to form a wave propagation interface between the first structured dielectric layer and second dielectric material. Each of the first structured dielectric layer and second dielectric material are formed of... Agent: Hewlett Packard Company

20070189667 - Display element and display device using the same: A display element is provided with a light source and a waveguide that propagates a light emitted from the light source, wherein the light propagated in the waveguide is extracted to outside from a waveguide lateral face, and wherein the light is extracted out of the waveguide from the waveguide... Agent: Hamre, Schumann, Mueller & Larson P.C.

20070189668 - Techniques for manufacturing a waveguide with a three dimensional lens: Optical transmission structures include a waveguide and an optical lens wherein the optical lens has a sufficiently large thickness to allow the formation of a curved front lens surface that collimates transmitted light rays so that they travel within a plane that is coplanar to a working surface. The present... Agent: Beyer Weaver LLP

20070189669 - Integrated wavelength selective grating-based filter: A wavelength selective grating-based filter includes a planar waveguide which includes a core surrounded by a cladding, the cladding including a lower cladding, the core being placed above the lower cladding, a lateral cladding adjacent to a first and a second opposite lateral sides of the core, and an upper... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070189670 - Optical tap module: In an optical tap module, a first lens, a focusing lens, and a photodiode are arranged such that a center axis of a cylindrical case housing the first lens, the focusing lens, and the photodiode is substantially located on the same line. When light propagates through a second optical fiber... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070189671 - Method for manufacturing optical waveguide chip: An optical waveguide chip having an optical waveguide which can keep good transmission characteristics stably over a long period of time without separations or cracks even in severe use conditions, and an optical fiber guide portion formed without cracks firmly with a shape and a size corresponding to those of... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070189672 - Method for preparing polymeric optical waveguide device: The present invention relates to a method for preparing an optical. waveguide device which comprises a step of forming a V-shaped groove on a substrate; a step of applying a filling polymer-containing coating solution having an NV value of not less than 35% onto the substrate, drying the applied coating... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070189673 - Optical transceiver with a pluggable function: The optical transceiver of the present invention is one type of the pluggable transceiver that is inserted into/extracted from the cage in the host system. The transceiver includes the OSA (Optical Sub-Assembly) unit, which shows the optical function, and the body unit installing the electronic circuit. The OSA unit includes... Agent: Smith, Gambrell & Russell

20070189674 - Ferrule for optical fiber connector: The present invention provides a ferrule comprising a housing for the stripped end of an optic fiber, and at least one notch and/or protrusion on the outer surface of the ferrule. The present invention further provides a support comprising at least one protrusion and/or groove mating with at least one... Agent: Casey Toohey Emcore Corporation

20070189675 - Power conversion apparatus: A power conversion apparatus is obtained which detects a mis-connection of optical fiber cables based on a difference in mode of feedback signals, and changes a phase sequence in an automatic manner only with the use of a logical composition of a microcomputer control section. A drive circuit 2 for... Agent: Buchanan, Ingersoll & Rooney PC

20070189677 - Modular laser package system: A modular laser package system may be used to mount one type of laser package, such as a coaxial or TO (transistor outline) can laser package, to a circuit board, such as a transmitter board or a motherboard, designed to receive another type of laser package housing, such as a... Agent: Applied Optoelectronics, Inc.

20070189678 - Electronic cable signature: Optical fiber cable from a Central Office (CO) to a Service Area Interface (SAI) Optical Line Terminal (OLT) box may have a plurality of optical fibers, each fiber having at least one conductive sheath to can propagate an identifying signal. Optical fibers that emit a signal with identifying information, or... Agent: Matthew E. Burr Lake Austin Marina

20070189679 - Powered fiber cable: An optical fiber for information transmission contains a glass tube core wrapped in a sheath of conductive material attachable to a power source such as a battery or generator to transmit power via the conductive sheath of the fiber. Methods to transmit power via an optical fiber, together with fiber... Agent: Matthew E. Burr Lake Austin Marina

20070189680 - All-optical logic gates using nonlinear elements-claim set iii: An all-optical logic gates comprises a nonlinear element such as an optical resonator configured to receive optical input signals, at least one of which is amplitude-modulated to include data. The nonlinear element is configured in relation to the carrier frequency of the optical input signals to perform a logic operation... Agent: Alston & Bird LLP

20070189681 - Nonlinear optical signal-treating apparatus: A nonlinear optical signal-treating apparatus can suppress the distortion of pulse light to be inputted into an optical fiber to an allowable level or less. The apparatus comprises a pulse light source for outputting first pulse light, a first optical fiber, a second optical fiber that is spliced with the... Agent: Mcdermott Will & Emery LLP

20070189685 - Optical fiber and method of forming electrodes of plasma display panel: An optical fiber can increase efficiency of a laser source and can uniformly distribute the intensity of laser beam when patterning electrodes using a laser. A plasma display panel uses the optical fiber. The shape of a cross-sectional shape of an inner side of the optical fiber is formed to... Agent: Stein, Mcewen & Bui, LLP

20070189682 - Optical components: An optical component as an embodiment of the present invention comprises an optical waveguide. This optical waveguide is a single optical waveguide having a first position and a second position along a longitudinal direction thereof. In this optical waveguide, cross-sectional refractive index profiles vary along the longitudinal direction between the... Agent: Mcdermott Will & Emery LLP

20070189686 - Photonic-bandgap fiber with a core ring: A photonic-bandgap fiber includes a photonic crystal lattice with a material having a first refractive index and a pattern of regions formed therein. Each of the regions has a second refractive index lower than the first refractive index. The photonic-bandgap fiber further includes a core and a core ring surrounding... Agent: Knobbe Martens Olson & Bear LLP

20070189684 - Single-mode optical fiber: p

20070189683 - Sleeved optical fiber for reduced lateral loss and method for making the same: A fiber optic, and method for making the same, having glass cladding diameters, or overall glass diameters, or glass-clad sections upon polymer clad fiber, that are large than the bulk of the fiber.... Agent: The Halvorson Law Firm

20070189687 - Coated optical fiber and grating and processes for forming same: A curable coating composition that may be converted to a cured coating for an optical fiber during a continuous fiber coating process. The curable coating composition comprises an organohydrogenpolysiloxane, an alkenyl functional polysiloxane, and an ultraviolet radiation absorbing hydrosilation photocatalyst in an amount for crosslink formation between the organohydrogenpolysiloxane and... Agent: 3m Innovative Properties Company

20070189690 - Optical waveguide: Disclosed herein is an optical waveguide comprising a core layer to be an optical transmission region, an upper clad layer and a lower clad layer covering the core layer, in which the core layer, the upper clad layer and the lower clad layer are formed from resin materials, characterized in... Agent: Mcdermott Will & Emery LLP

20070189689 - Optical waveguide substrate and harmonics generating device: It is provided a structure capable of reducing the loss of incident light propagating in a three-dimensional optical waveguide in a optical waveguide substrate having a ridge type optical waveguide. An optical waveguide substrate has a ferroelectric layer 3 made of a ferroelectric material, a ridge portion formed on a... Agent: Burr & Brown

20070189688 - Waveguide photodetector: The present invention is a waveguide photodetector. In one embodiment, the waveguide photodetector includes a waveguide layer where light is guided or is confined and a detection layer formed on the waveguide layer where guided light is detected. Each of the waveguide layer and the detection layer allows for the... Agent: Patterson & Sheridan LLP IBM Corporation

20070189693 - Cable management device and method: A cable management device, and associated assembly including a panel. The device including a segmented cable-managing arrangement having a plurality of radius limiting surfaces vertically and forwardly offset from one another. The device provides a number of incremental slack cable storage lengths that accommodates storage of slack cable without the... Agent: Merchant & Gould PC

20070189691 - Fiber distribution hub with swing frame and modular termination panels: A fiber distribution system includes one or more fiber distribution hubs (FDHs) that provide an interface at a termination panel between incoming fibers routed from a central office and outgoing fibers routed to network subscribers. Termination modules can be incrementally added to the termination panel. The FDH can include one... Agent: Merchant & Gould PC

20070189692 - Fiber optic splitter module: A telecommunications assembly includes a chassis and a plurality of fiber optic splitter modules mounted within the chassis. Each splitter module includes at least one fiber optic connector. Within an interior of the chassis are positioned at least one fiber optic adapter. Inserting the splitter module through a front opening... Agent: Merchant & Gould PC

20070189694 - Optical fiber cable termination apparatus: An optical fiber cable termination apparatus for use with an optical fiber cable including a plurality of optical fibers includes at least one optical fiber enclosure assembly. Each optical fiber enclosure assembly includes a housing member and a cover member. The housing member defines an interior cavity and includes: a... Agent: Tyco Electronics Corporation Intellectual Property Law Department

20070189695 - Optical fiber loopback test system and method: A telecommunications enclosure includes a housing for retaining telecommunication lines therein, the housing including at least one of a splice closure and a terminal closure. At least one of the terminal closure and the splice closure includes a loopback testing station having at least one coupling mounted therein. The coupling... Agent: 3m Innovative Properties Company

20070189698 - Capillary tube for holding optical fiber and connecting structure for optical component: A glass capillary tube 1 is connected and fixed in a straight line to an optical component 5 having a substantially rectangular cross-section perpendicular to an optical axis 4a. Moreover, a top-surface side end portion 9 and a rear-surface side end portion 8 of an exterior surface 7 of the... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070189697 - Method and apparatus for adjusting loss caused by optical fiber curvature, and optical transmission system using the same: The present invention achieves highly reliable optical-fiber loss adjustment at low cost, with easy work. An optical fiber is inserted from an optical fiber insertion opening into a space between an internal wall and a plurality of optical-fiber support members and, due to its self-resilience, comes in contact with the... Agent: Ostrolenk Faber Gerb & Soffen

20070189696 - Optical board connector assembly: The invention relates to an optical board connector assembly for optically connecting an array of optical fibres to a circuit board embedded device including a connector housing including a support structure and at least one fibre fixation part. The fibre fixation part includes a ferrule part for containing said optical... Agent: Harrington & Smith, PC

20070189699 - Optical fiber and transmission system, and wavelength division multiplexing system: An optical fiber comprises a center core and a cladding located at an outer periphery of the core, wherein the core comprises at least one codoped layer made from silica glass doped with germanium and fluorine, and at least one lower-concentration codoped layer made from silica glass doped with germanium,... Agent: Sughrue Mion, PLLC

20070189700 - Optical position sensing component, optical position sensing device, and manufacturing method thereof: An optical position sensing component includes an input light guiding portion and a received light guiding portion. The input light guiding portion is constituted by a polymer waveguide and inputs a light emitted from a near-infrared light-emitting source and outputs the light to a lens for collimate through a plurality... Agent: Oliff & Berridge, PLC

20070189701 - Optical devices for guiding illumination: Optical devices for guiding illumination are provided each having a body of optical material with staircase or acutely angled ramp structures on its top surface for distributing light inputted from one end of the device from the front exit faces of such structures along certain angular orientations, while at least... Agent: Kenneth J. Lukacher South Winton Court

20070189704 - All-optical logic gates using nonlinear elements - claim set iv: An all-optical logic gates comprises a nonlinear element such as an optical resonator configured to receive optical input signals, at least one of which is amplitude-modulated to include data. The nonlinear element is configured in relation to the carrier frequency of the optical input signals to perform a logic operation... Agent: Alston & Bird LLP

20070189703 - All-optical logic gates using nonlinear elements-claim set i: An all-optical logic gates comprises a nonlinear element such as an optical resonator configured to receive optical input signals, at least one of which is amplitude-modulated to include data. The nonlinear element is configured in relation to the carrier frequency of the optical input signals to perform a logic operation... Agent: Alston & Bird LLP

20070189705 - All-optical logic gates using nonlinear elements-claim set ii: An all-optical logic gates comprises a nonlinear element such as an optical resonator configured to receive optical input signals, at least one of which is amplitude-modulated to include data. The nonlinear element is configured in relation to the carrier frequency of the optical input signals to perform a logic operation... Agent: Alston & Bird LLP

20070189706 - All-optical logic gates using nonlinear elements-claim set vi: An all-optical logic gates comprises a nonlinear element such as an optical resonator configured to receive optical input signals, at least one of which is amplitude-modulated to include data. The nonlinear element is configured in relation to the carrier frequency of the optical input signals to perform a logic operation... Agent: Alston & Bird LLP

20070189702 - Cladding comprising an integrated polymer actuator for the deformation of said cladding: A cladding (22) for a wall (12) includes a barrier layer (24) that can be deformed by the action of a polymer actuator (14). According to the invention, a contact surface (A) of the cladding lies completely against the wall, at least in the non-deformed state, stabilising the intrinsically elastic... Agent: Young & Thompson

20070189707 - Formwork system for slip form casting: A formwork system for use in slip form casting central cores of high rise buildings provides a rebate form for a rebate at the level of each floor slab which is subsequently to be cast. The rebate form is designed to carry ferrules to be cast into the core at... Agent: Lowe, Hauptman, Gilman & Berner, LLP (itw)

20070183708 - Optical device: An optical device has an optical fiber, an optical demultiplexer having an optical demultiplexing member for demultiplexing a portion of an optical signal beam transmitted through the optical fiber, as a demultiplexed optical signal beam, and guiding the demultiplexed optical signal beam out of the optical fiber, an optical path... Agent: Burr & Brown

20070183709 - Optical waveguide member, optical waveguide assembly, and optical module: An optical waveguide member including a first cladding section, a second cladding section joined to the first cladding section, and core sections formed between the first and second cladding sections. The first cladding section includes a major portion including a first surface and an opposite second surface, and an auxiliary... Agent: Staas & Halsey LLP

20070183720 - Optical device: A first optical device has an optical fiber mount with an optical fiber disposed thereon, and an optical demultiplexer for demultiplexing a portion of an optical signal beam transmitted through the optical fiber, as a demultiplexed optical signal beam, and guiding the demultiplexed optical signal beam out of the optical... Agent: Burr & Brown

20070183718 - Optical module: Provided is an optical module including a light source for generating an optical signal, a waveguide for waveguiding the optical signal, a photodetector for detecting the optical signal, a first reflecting mirror on the light source for reflecting the optical signal generated by the light source to a side of... Agent: Cha & Reiter, LLC

20070183719 - Optical module: An optical module comprises a waveguide, at least one optical transducer positioned on the waveguide for transducing an optical signal into an electric signal or an electric signal into an optical signal and a connection socket seated on the waveguide, the optical transducer being mounted in the connection socket.... Agent: Cha & Reiter, LLC

20070183722 - Optical connector: An optical connectorcomprises an optical cable; and a ferrule that is attached to an end of the optical cable and performs optical connection; a cover that defines a through hole that the optical cable passes through, the cover covering the ferrule without contacting the ferrule; and a removal-preventing section that... Agent: Morgan Lewis & Bockius LLP

20070183724 - Optical connector, multi-chip module and manufacturing method of optical connector: An optical connector includes an optical fiber and a connector. The latter includes: (i) an optical fiber insertion hole that an end portion of the optical fiber is inserted into; (ii) a front face that an end surface of the optical fiber inserted into the optical fiber insertion hole appears;... Agent: Morgan Lewis & Bockius LLP

20070183725 - Optical module: An optical module: an optical plug that supports one end of an optical fiber and has a first surface that is generally in parallel with an extension direction of the optical fiber at one end side thereof and two second surfaces traversing the first surface; an optical element container that... Agent: Harness, Dickey & Pierce, P.L.C

20070183706 - Broad-band fiber-optic wave plates: A section of birefringent optical fiber spun at a slowly varying spin-rate from zero to a high value, or vice versa, behaves as a fiber-optic quarter wave plate in polarization transforms. Despite this similarity in SOP transforms with its bulk-optic counterpart which is narrow-band, this invention works on an entirely... Agent: Dorsey & Whitney LLP Intellectual Property Department

20070183707 - Optical connector: An optical connector includes: a board having a first signal-light propagation medium with a first optical signal end; and a chassis disposed on the board. The chassis includes: an insertion-and-removal section having an insertion-hole forming wall that defines an insertion hole, into which a second optical signal end of a... Agent: Morgan Lewis & Bockius LLP

20070183710 - Device for temporal subsampling of an otdm optical signal, otdm-wdm converter comprising same and otdm-wdm converter: The invention concerns a device for temporal subsampling of an OTDM optical signal at a predetermined subsampling frequency, comprising a generator (10) for generating clock pulses transmitted at the predetermined subsampling frequency and at a conversion wavelength λH and a wavelength converter device (16) adapted to receive at its input... Agent: Oliff & Berridge, PLC

20070183711 - Dispersion management in branched optical networks: Dispersion may be managed in a branched optical network by using transmission segments having a single period segment dispersion map. One or more of such segments may be coupled to network nodes such as terminals or branching units such that dispersion may be managed even when the network is reconfigured.... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20070183712 - Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same: When in an optical signal amplifying triode 10, light of a second wavelength λ2, selected from among light from a first optical amplifier 26, into which a first input light L1 of a first wavelength λ1 and a second input light L2 of second wavelength λ2 have been input, and... Agent: Oliff & Berridge, PLC

20070183713 - Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same: When in an optical signal amplifying triode 10, light of a second wavelength λ2, selected from among light from a first optical amplifier 26, into which a first input light L1 of a first wavelength λ1 and a second input light L2 of second wavelength λ2 have been input, and... Agent: Oliff & Berridge, PLC

20070183714 - Light-guiding device and a method of guiding light: A light-guiding device having a coupling-in surface (46) for coupling-in light radiation substantially in a first main direction (41) perpendicular to said coupling-in surface (26;46), and having a coupling-out surface (47,48,49) for coupling-out light radiation substantially in a second main direction (42) perpendicular to said coupling-out surface. The coupling-out surface... Agent: Philips Intellectual Property & Standards

20070183715 - Method and apparatus for spatial domain multiplexing in optical fiber communications: The subject invention pertains to a method and apparatus for multiplexing in optical fiber communications. The subject invention relates to a method and apparatus for spatial domain modulation in optical wavelengths. In a specific embodiment, the subject invention relates to a spatial domain multiplexer (SDM) for use with an optical... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20070183716 - Unidirectional optical power monitor: A small high-performance unidirectional optical power monitor having a directional characteristic of 30 dB or higher is provided. A sleeve in which the center axes of round holes in which a GRIN lens and a photo-diode are inserted and fitted are eccentric from each other is used. The entire sleeve... Agent: Sughrue Mion, PLLC

20070183717 - Method and structure for coupling two microcircuits: A system in a package (SIP) or multi-chip module (200, 300, 400) (MCM) uses an electron beam (235, 335, 435) for electrically coupling between microcircuits (230, 330, 430) and (232, 332, 432). In one embodiment, the micro-circuits (230, 430) and (232, 432) can be configured in a side-by-side configuration. In... Agent: Davidson Berquist Jackson & Gowdey LLP

20070183721 - Fiber optic connector and method: A fiber optic connector including a ferrule surrounding an optical fiber and a hub engaging the ferrule. The hub includes a front portion having first and second surfaces and first and second tapered contact regions extending from the first and second surfaces to a front face. A housing includes an... Agent: Merchant & Gould PC

20070183723 - Fiber optic receptacle and optical module: A fiber optic receptacle which can be assembled with high precision and has high reliability and is low-prided is provided. The fiber optic receptacle to be connected to an optical fiber held by a ferrule, which comprises: a tubular shaped sleeve to be inserted with the ferrule; a stopper member... Agent: Hogan & Hartson L.L.P.

20070183726 - Optical fiber cable suited for blown installation or pushing installation in microducts of small diameter: The invention relates to optical fiber cables and, more specifically, to an optical fiber cable especially suited for blown installation or pushing installation in microducts of small diameter. An exemplary microcable for installation in small microducts has an outer sheath as buffer tube that holds a plurality of optical fibers... Agent: Summa, Allan & Additon, P.A.

20070183727 - Conduit bundles including first-type and second-type conduits with disparate properties: A conduit bundle includes an inner bundle of first-type conduits extending between inner-bundle first and second ends. The first-type conduits are mutually and adjacently bonded along coinciding portions of their lengths in order to define an inner-bundle rigid region that, as view into a plane orthogonal to the longitudinal axis... Agent: Louis J Franco Law Office Of Louis J Franco

20070183728 - Method of manufacturing an optical fibre having variations in the refractive index: An optical fibre for propagating a signal in different modes, including a longitudinal length “a” of a change in the tension buildup in the optical fibre and a longitudinal distance “L” between two such changes are in accordance with the equation, a<=0.5 L, for at least part of the optical... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070183729 - Flame retardant uv cured buffered optical fibers and buffer composition: An optical fiber comprising a flame retardant UV light-curable tight-buffer coating coated onto the fiber, wherein said tight-buffer coating is substantially halogen-free, and has a limiting oxygen index of at least about 22%, and wherein said tight-buffer coating is removable from said fiber with a strip-force of less than about... Agent: Leydig Voit & Mayer, Ltd

20070183731 - Optical waveguide device and fabricating method thereof: Optical waveguide device has waveguide strip-shaped in the depth direction of the drawing and protruding from peripheral portion. A core (not illustrated) is disposed inside waveguide. Wall to be cut is integrated with waveguide to form one core layer. No unevenness occurs in a cutting line of wall indicated with... Agent: Foley And Lardner LLP Suite 500

20070183730 - Optical waveguide, optical waveguide module and method for forming optical waveguide: An optical waveguide comprising a core and a clad characterized in that a desired part is heated and transited to machining strain release state, the part transited to the machining strain release state is curved with a specified bending radius and transited to machining strain state. That part of the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070183732 - Fiber optic splice enclosure: A fiber optic splice enclosure for housing an interconnection contained in a splice tray between at least one optical fiber of a feeder cable and at least one optical fiber of a drop cable is provided. The optical fiber of the feeder cable is at least partially contained in a... Agent: Leydig Voit & Mayer, Ltd

20070183733 - Precision optical fiber clamp: A fiber clamp (220) for clamping an optical fiber (16) includes a first clamp section (228) and a second clamp section (230) that flexibly urges the optical fiber (16) against the first clamp section (228). The second clamp section (230) can include a retainer housing (244) and a pair of... Agent: The Law Office Of Steven G Roeder

20070183735 - Capillary tube for holding optical fiber: Means for solving the problems include forming one or a plurality of flat portions 8, 9, and one or a plurality of partial cylindrical portions 10, 11 connected to such flat portions 8, 9 on exterior surface 7 of glass capillary tube 1 for holding optical fiber, all partial cylindrical... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070183734 - Optical fiber impulse sensor fabricating method: A method for fabricating an optical fiber impulse sensor having an optical fiber and a molded portion molded around the perimeter of the optical fiber. The method forms, in the molded portion, an optical fiber insertion hole and an optical fiber insertion slit for inserting the optical fiber into the... Agent: Mcginn Intellectual Property Law Group, PLLC

20070183736 - Lens for reforming light-emitting diode radiation: A lens for reforming radiation from a light-emitting diode having a first convex surface for admitting radiation path from the light-emitting diode that is close to the axis of the diode and a cylindrical surface for admitting radiation that makes a wider angle with the axis of the diode, a... Agent: Macpherson Kwok Chen & Heid LLP

20070183738 - Monolithic photonic integrated circuit (pic) with forward error correction (fec): Monolithic photonic integrated circuits (PICs) utilize forward error correction (FEC) joint encoder or plural encoders or a joint decoder or plural decoders.... Agent: North Weber & Baugh LLP Carothers, W. Douglas

20070183737 - Receiver photonic integrated circuit (rxpic) chip utilizing compact wavelength selective decombiners: A monolithic receiver photonic integrated circuit (RxPIC) chip includes a plurality of optical signal channels together with other active elements integrated on a semiconductor chip, which chips further include a wavelength selective decombiner comprising a supergrating or an Echelle grating which provides for a more compact chip compared to an... Agent: North Weber & Baugh LLP Carothers, W. Douglas

20070177841 - Time-space multiplexed ladar: A LADAR system includes a detector optical arrangement defining a current optical field of view. An illumination subsystem without moving parts transmits pulsed illumination at different times to each of a number of illumination sub-regions of the current optical field of view, and a detection subsystem, including one or more... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20070177844 - Optical module: An optical module includes: an optical plug that supports one end of an optical fiber; a receptacle unit having an optical element and a mounting surface to be abutted against the optical plug for optically coupling the optical plug and the optical element; and a holder having a leaf spring... Agent: Harness, Dickey & Pierce, P.L.C

20070177840 - Chromatic dispersion compensation using wavelength tunable transmitter: A method and system for high bit rate fiber-optic communications utilize a wavelength tunable transmitter controlled by a feedback signal from an error analyzer associated with a received optical data stream without utilizing a dispersion compensation module in the transmitter and/or receiver portion.... Agent: Patterson & Sheridan, LLP/ Lucent Technologies, Inc

20070177842 - Method and apparatus for aligning optical components: Methods and apparatuses are provided for aligning two optical components. Two optical components are aligned by stacking a first, a second, and a third transparent optical element between two optical components. The optical components are adjusted in the x, y, and z-axes, and rotations about the x, y, and z-axes.... Agent: Hewlett Packard Company

20070177843 - 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 PC

20070177845 - Directional light beam generators: Directional light beam generators are implemented in waveguides with tilted core structures. The waveguides have cores, cladding and jacket layers. A directional light beam with small divergent beam angle is generated after propagating through the waveguides. Divergent light beams with large beam sizes can be converted into beams with small... Agent: Qxwave, Inc.

20070177846 - Rare earth doped double clad optical fiber with plurality of air holes and stress rods: An optical fiber including: (i) a silica based, rare earth doped core having a first index of refraction n1; and (ii) at least one silica based cladding surrounding the core and having a second index of refraction n2, such that n1>n2, said cladding having a plurality of stress rods and... Agent: Corning Incorporated

20070177847 - Cable clip: A cable clip includes a housing defining an open space and outer grooves about the housing for mounting the cable clip into a mounting opening, the inner edge of the housing including trumpet flares around the edges of the ends and side to provide bend radius protection for cables passing... Agent: Attention: Steven C. Bruess Merchant & Gould P.C.