Optical waveguides inventions 09/07

20070223855 - Efficient distributed sensor fiber: A method and apparatus for improving the sensing of a physical parameter using a distributed optical waveguide and scattering. The optical waveguides have improved scattering efficiency and/or improved light capturing capability provided by multi-cladding layers and a tightly confining core waveguide. The core can be highly doped with a material... Agent: Patterson & Sheridan, L.L.P.

20070223856 - Optical semiconductor device and optical semiconductor integrated circuit: An integrated optical waveguide has a first optical waveguide, a second optical waveguide, and a groove. The second optical waveguide is coupled to the first optical waveguide and has a refractive index that is different from the first optical waveguide. The groove is disposed so as to traverse an optical... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070223857 - Optical semiconductor device and optical semiconductor integrated circuit: An integrated optical waveguide has first, second, and third optical waveguiding regions. The second optical waveguiding region has a refractive index different from that of the first optical waveguiding region. The second optical waveguiding region has an interface surface with the first optical waveguiding region that is inclined with respect... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070223858 - Electromagnetically responsive element with self resonant bodies: An electromagnetically responsive element includes an arrangement 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

20070223859 - Resonators: Various embodiments and methods utilizing resonators are disclosed.... Agent: Hewlett Packard Company

20070223860 - Thin film interleaver: A thin film interleaver device is disclosed. The thin film interleaver includes thin film optics. The thin film(s) are formed such that they reflect one group of wavelengths while allowing a second group of wavelengths to pass through the thin film(s). The thin film(s) exhibit a flat top frequency response... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070223861 - Multiport switch for optical performance monitor: The present invention provides a switch assembly for use with a single-port OPM to realize a multi-port OPM having improved reliability. In one embodiment, an N×1 optical switch assembly, wherein N is an integer greater than one, is provided. The optical switch assembly includes N optical input ports, N micro-electro-mechanical... Agent: Patterson & Sheridan, LLP

20070223862 - Coupling device for a light guide: A coupling device includes a first coupling element having a first passage, and an end section connected to the free end of the light guide; as well as a second coupling element with a second passage for holding/fixing an intermediate section following the end section of the light guide. In... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070223863 - Optical fibre connector system: An optical fibre connector system, including an optical connector disposed therein, and a recess allowing a through connector to be connected to the optical connector. The optical fibre connector system includes an engagement mechanism that acts on the optical connector to prevent release of the through connector when connected to... Agent: Wells St. John P.s.

20070223864 - Packaging for a fiber-coupled optical device: A segment of optical fiber is engaged with a fiber groove on a device substrate, which positions the fiber segment for optical coupling with an optical component on the substrate. A fiber retainer maintains the fiber segment in engagement with the groove. The fiber retainer may be secured to the... Agent: Christie, Parker & Hale, LLP

20070223865 - Optical interconnect with passive optical alignment: A coupler is passively aligned over a substrate, wherein the coupler is laterally aligned to an optoelectronic (OE) device coupled to the substrate. The coupler is placed on the substrate, wherein the coupler is vertically aligned to the OE device. The coupler is fixed to the substrate.... Agent: Blakely Sokoloff Taylor & Zafman

20070223866 - Controllable electromagnetically responsive assembly of self resonant bodies: An electromagnetically responsive element includes an arrangement of controllable 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

20070223867 - Optical device for a display having tapered waveguide and process for making the same: Disclosed is an optical device for a display having a tapered waveguide and a method of fabricating such devices. In order to reduce light absorption inside the waveguide, a light-absorbing material is coated on the front surface only of the optical device Alternatively, a space adjacent to the waveguide is... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20070223868 - Photosensitive resin composition for optical waveguide formation and optical waveguide: (In the formula, R1 is a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, or an aralkyl group; and n is an integer from 0 to 10.) The composition is excellent in patterning properties and the like in curing process, and is also excellent in heat resistance,... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070223869 - Lighting device for medical instruments: A lighting device for medical instruments, particularly otoscopes, in which light is transmitted from a light source through a light conductor to a light exit, wherein the light conductor is of acrylic. The light conductor may be manufactured from PMMA granulate. The light conductor may be constructed as an injection... Agent: Friedrich Kueffner

20070217731 - Photonic crystal surface states: A photonic crystal may be configured to support a surface state for logic.... Agent: Searete LLC Clarence T. Tegreene

20070217733 - Mach-zehnder type semiconductor device and method of controlling the same: The Mach-Zehnder type semiconductor device can adjust a phase difference between first and second split lights transmitting through first and second branch waveguides, respectively, even if the lengths of the first and second branch waveguides are deviated from those designed values. The Mach-Zehnder type semiconductor device also can suppress optical... Agent: Volentine & Whitt PLLC

20070217743 - Photonic crystal surface states: A photonic crystal may be configured to support a surface state for logic.... Agent: Searete LLC Clarence T. Tegreene

20070217729 - Optical modulator: In an optical modulator according to the present invention, a Mach-Zehnder optical waveguide is formed on a substrate having an electro-optic effect, a signal electrode and an earth electrode are disposed along a pair of branching waveguides of the optical waveguide, and an electric signal is applied on the signal... Agent: Bingham Mccutchen LLP

20070217730 - Photonic crystal surface states: A photonic crystal may be configured to support a surface state for logic.... Agent: Searete LLC Clarence T. Tegreene

20070217732 - Plasma lamp and methods using a waveguide body and protruding bulb: A plasma lamp for an electrodeless plasma lamp having a dielectric waveguide body and a bulb positioned, at least in part, in the waveguide body and having at least one end protruding from the waveguide body. A probe is used to couple power into the waveguide body. The power resonates... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070217734 - Optocoupler for converting optical signals into electrical signals and vice versa: An optocoupler, for converting optical signals into electrical signals and vice versa, includes a package with a jack connector for receiving an optical waveguide. On a lower side of the package, surface-mountable outer contacts are arranged on an interconnection film. A mounting position for semiconductor chips, including one optical semiconductor... Agent: Edell, Shapiro & Finnan, LLC

20070217735 - Optical switch having angle tuning elements and multiple-fiber collimators: An optical switch with a compact form factor includes a multiple-fiber collimator and an angle tuning element for deflecting an optical beam from an input fiber into one of at least two output fibers. The angle tuning element may be provided between a pair of coaxially-aligned collimators, one of which... Agent: Patterson & Sheridan, LLP

20070217736 - Two-channel, dual-mode, fiber optic rotary joint: A two-channel fiber optical rotary joint has been invented in which optical signals can be transmitted simultaneously along two optical passes through a single mechanical rotational interface for both single mode fiber and multi mode fiber. The first channel of light path consists of a pair of micro-collimators, or a... Agent: Princetel, Inc

20070217737 - Method and apparatus for optically filtering a communication signal: There is provided a method and apparatus for optically filtering a communication signal. More specifically, in one embodiment, there is provided an apparatus comprising an optical filter having first and second input ports and first and second output ports, the optical filter being configured to transmit light in a target... Agent: Fletcher Yoder (lucent)

20070217738 - System and method to remove light from cladding: A system to remove cladding light from an optical fiber that includes a core and a cladding that surrounds the core. A volume of an index-matching material contacts an exterior surface of the cladding along a contact length of the optical fiber. The index-matching material has a refractive index that... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20070217739 - Broadband 2x2 optical splitter: An optical device containing a four-port optical mixer capable of distributing the optical power presented at either or both of two input ports to specified ratios in two output ports.... Agent: Amin, Turocy & Calvin, LLP

20070217740 - Method and apparatus for optimizing the target intensity distribution transmitted from a fiber coupled array: Encircled far field energy is substantially increased by modifying the near field energy distribution of radiation from each fiber in an emitting array. Each beamlet output from a fiber is modified to have a generally uniform cross-sectional energy distribution, using a pair of aspheric optical elements selected for that purpose.... Agent: Carmen B. Patti, Esq. Patti & Brill,

20070217741 - Optical module: An optical module including first and second lens housings that individually receive first and second lenses; first and second optical fiber housings that individually receive end portions of optical fibers; first and second guide pins for positioning the first and second lens housings and the first and second optical fiber... Agent: Cohen, Pontani, Lieberman & Pavane

20070217742 - Apodised binary bragg grating: An apodised Bragg grating comprises a base grating section formed by a base order periodic pattern of marks and spaces. The Bragg grating further comprises one or more apodised grating sections that are formed by a periodic pattern of marks and spaces, each defined by the base order pattern from... Agent: Mark D. Saralino (general) Renner, Otto, Boisselle & Sklar, LLP

20070217744 - Low polarisation mode dispersion (pmd) optical fiber link, and method of making the same: An optical fiber link has a plurality of optical fiber spans joined one to the other, the plurality of optical fiber spans including at least one first unidirectionally-spun optical fiber span and at least one second unidirectionally-spun optical fiber span having mutually opposite spinning directions.... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070217745 - Mechanical splice connector with sequential splice and strain relief: A mechanical splice connector is shown and described for sequentially performing a splice actuation followed by a strain relief actuation by rotating a single, multiple-position cam member or multiple cam members from an unactuated position to a first actuated position and a second actuated position. The mechanical splice connector aligns... Agent: Corning Cable Systems LLC

20070217746 - Optical connector: The invention relates to a connector for establishing multi media connections in vehicles according to MOST®-standard. The objective is to provide an optical connector, which is simple, quick and inexpensive to manufacture, providing an optical connection with low damping, high precision and durability. The MOST-connector comprises at least one optical... Agent: Reising, Ethington, Barnes, Kisselle, P.C.

20070217747 - Optical plug-in connection: An optical plug-in connection for the connection of polarization-maintaining optical fibers includes a sleeve having a bore therein and a receptacle having a bore therein for supporting the sleeve with the bore of the sleeve aligned with the bore of the receptacle. First and second ferrules are provided having bores... Agent: The Webb Law Firm, P.C.

20070217748 - Fiber-optic cable connector: Exemplary embodiments include an improved connector for a fiber-optic cable including: a fiber-optic conductor disposed in a center portion of the fiber-optic connector; one or more flexible end portions disposed on an outer portion of the fiber-optic connector; a swab disposed on an inner surface of at least one flexible... Agent: Cantor Colburn LLP - IBM Rochester Division

20070217749 - Translucent dust cap for fiber optic adapter: A translucent dust cap for a fiber optic adapter allows the viewing of visible light emanating from a fiber optic connector coupled to the adapter, without removing the dust cap. A translucent dust cap for a fiber optic adapter that serves to diffuse a visible light source of sufficient power,... Agent: Corning Cable Systems LLC

20070217750 - Interconnecting (mapping) a two-dimensional optoelectronic (oe) device array to a one-dimensional waveguide array: For integrated circuits including circuit packaging and circuit communication technologies provision is made for a method of interconnecting or mapping a two-dimensional optoelectronic (OE) device array to a one-dimensional waveguide array. Also provided is an arrangement for the interconnecting or mapping of a two-dimensional optoelectronic (OE) device array to a... Agent: Scully Scott Murphy & Presser, PC

20070217751 - Dual function splice component for mechanical splice connector: A fiber optic mechanical splice connector including a single connector element operable for providing optical fiber alignment and strain relief includes opposed splice components that define first and second grooves for receiving the bare glass portions of mating optical fibers, as well as the coated or buffered portion of at... Agent: Corning Cable Systems LLC

20070217752 - Photonic crystal surface states: A photonic crystal may be configured to support a surface state for logic.... Agent: Searete LLC Clarence T. Tegreene

20070217753 - Plastic optical fiber and production method thereof: A cylindrical outer clad section is formed by melt-extrusion molding of polyvinylidene fluoride (PVDF) having a molecular structure in which the number of defect bonds of successive CF2 units and successive CH2 units constitutes not less than 4% with respect to a total number of bonds of CF2 units and... Agent: Sughrue Mion, PLLC

20070217754 - Optical fiber, optical transmission line, optical module and optical transmission system: The present invention relates to an optical fiber which has a structure for further increasing an FOM (=|dispersion|/loss) and which can be applied to a dispersion compensation module. The optical fiber is mainly composed of silica glass and has a core region including a center of an optical axis, a... Agent: Mcdermott Will & Emery LLP

20070217755 - Polymeric compositions comprising quantum dots,optical devices comprising these compositions and methods for preparing same: The present invention relates to a polymeric composition of matter. The composition includes at least one polymer matrix and plurality of quantum dots distributed therein. The polymer may be a perfluorocyclobutane polymer having high optical transmission at telecommunications wavelengths. The quantum dots may include cap compounds to increase the solubility... Agent: The Eclipse Group

20070211985 - Optical scanning system: A scanning sensor system 100, methods and kits for use thereof including a switchable light source 102, a detector 106, a substrate 104 and a plurality of optical sensing sites 112 are provided. Substrate 104 is coupled to and in optical communication with switchable light source 102 and detector 106.... Agent: Wilson Sonsini Goodrich & Rosati

20070211987 - Optical switch and optical add/drop multiplexer: To provide with a wavelength-selection optical switch able to select a light with a certain wavelength and an optical add/drop multiplexer using the same. An optical switch comprising: a silicon substrate; a glass substrate arranged to face a surface of the silicon substrate and having a transparent electrode layer in... Agent: Hall, Vande Sande & Pequignot, LLP

20070211999 - Optical connector: The optical fiber connector of the present invention includes a housing having a ferrule receiving passageway and a lens receiving portion which is disposed on the front end portion of this ferrule receiving passageway. A central axis is coaxial with the central axis of the ferrule receiving passageway. A spherical... Agent: Barley Snyder, LLC

20070211982 - Optical functional waveguide optical modulator arrayed waveguide grating and dispersion compensation circuit: An optical functional waveguide having a small size, used with saved energy, controlling the phase of light at high speed, and adjusting the optical path length. The optical functional waveguide comprises a substrate (11), a quartz waveguide clad (12), a quartz waveguide core (13), groove structures (14), a filling material... Agent: Kratz, Quintos & Hanson, LLP

20070211983 - Method and apparatus for transforming optical wave modes: The present invention provides a method and apparatus for transforming optical wave modes. The apparatus includes a substrate and a first layer of waveguiding material above the substrate, the first layer having a first index of refraction, a first horizontal dimension, and a first vertical dimension. The apparatus also includes... Agent: Williams, Morgan & Amerson

20070211984 - Optical coupler: A optical coupler is formed on a substrate and includes a first and elongate optical waveguides. Variable coupling is provided between the first and second elongate optical waveguides. In an optical modulator, a plurality of phase shifts are provided along the waveguides to increase linearity of a response of the... Agent: Westman Champlin & Kelly, P.A.

20070211986 - Optical microcantilever, manufacturing method thereof, and optical microcantilever holder: An optical microcantilever capable of reducing loss when propagating light. An optical microcantilever 10 comprises a support 1, an optical waveguide 2, a light-blocking film 3, a reflecting film 4, a pointed tip 5, a microscopic aperture 6 formed at the end of the tip 5, and a mirror 7... Agent: Bruce L. Adams, Esq.

20070211988 - Optical switch: There is provided an optical switch for reducing an apparatus size without making a structure for switching an output path complicated, wherein the first reflecting member and the micromirror array, which are optically coupled with the diffraction grating via the second reflecting member, are arranged at the same side relative... Agent: Staas & Halsey LLP

20070211989 - Optical junction apparatus and methods employing optical power transverse-transfer: Discrete first and second optical transmission subunits are formed each having a corresponding transmission optical waveguide with a corresponding optical junction region. The first transmission optical waveguide is a planar optical waveguide formed on a substrate. The first transmission optical waveguide or the second transmission optical waveguide is adapted for... Agent: Christie, Parker & Hale, LLP

20070211992 - Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape: An integrated optical device is disclosed comprising a substrate, optical waveguide, and compound optical resonator having a temperature sensor, at least two coupled optical resonators, and a heater localized to each optical resonator. An optical input signal is coupled to one of the resonators making up the compound resonator to... Agent: Dunlap, Codding & Rogers P.C.

20070211990 - Plasma lamp with phase control: A plasma lamp for an electrodeless plasma lamp having a waveguide body with an effective dielectric constant of at least 2. A drive probe is coupled to the waveguide body to provide the primary power for ignition and steady state operation of the lamp. A phase shifter is used to... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070211991 - Plasma lamp with small power coupling surface: In an example embodiment, an electrodeless plasma lamp is provided which comprises a dielectric body having an effective dielectric constant greater than two. The dielectric body may have a surface with a first region coated with an electrically conductive material and a second region that is not coated with the... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070211993 - Wavelength selective optical device and method of tuning wavelength characteristics: In a wavelength selective optical device, a lens for transmitting multiplexed optical signals having a plurality of wavelengths is provided to face an end of a first optical fiber such that light output from the end of the first optical fiber is converted into parallel light, and an optical filter... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070211994 - Optical panel system including stackable waveguides: An optical panel system including stackable waveguides is provided. The optical panel system displays a projected light image and comprises a plurality of planar optical waveguides in a stacked state. The optical panel system further comprises a support system that aligns and supports the waveguides in the stacked state. In... Agent: Matthew J. Esserman

20070211996 - Laser bar coupler with improved brightness: A Laser Bar Coupler With Improved Brightness of the present invention includes a laser diode array having a number of spaced-apart laser elements, or diodes, each emitting laser radiation. The typical laser diode array laser elements are rectangular in shape, and linearly spaced apart along an axis with the long... Agent: Cooley Godward Kronish LLP Attn: Patent Group

20070211995 - Laser beam transformation and combination using tapered waveguides: A system for transmitting the spatial profile of laser beams with particular applicability to coherently combine laser beams into one beam. The system includes a tapered waveguide with an inlet and outlet at ends of two waveguide elements each having a reflective surface facing into the waveguide. The reflective surfaces... Agent: Mcdermott Will & Emery LLP

20070211997 - Optical connector: An optical connector includes a connector body that has a first optical fiber housed in advance in a ferrule so as to project from a back end of the ferrule opposite to the connecting end surface and an anchoring fixture that anchors a second optical fiber that is to be... Agent: Sughrue Mion, PLLC

20070211998 - Inner housing for a fibre-optic plug connector: An interior housing (1) for a connector for the insertion of a ferrule (6) of a optical fibre cable (5) exhibits at least one lateral slot (4), as well as a notch-shaped recess (8) in the rear wall (7) of this interior housing (1). The slot (4) and recess (8)... Agent: Sturm & Fix LLP

20070212001 - Lead frame, optical coupling part using lead frame, and manufacturing method of optical coupling part: When a resin 59 to form a molded body 20 is poured and a lead frame 30 is attached to a front end face 21 of the molded body 20 by insert molding, protective leads 32 provided on both outsides of a lead pattern 31 of the lead frame 30... Agent: Mcdermott Will & Emery LLP

20070212000 - Releasing mechanism of pluggable transceiver from cage: The optical transceiver configured with a pluggable function according to the present invention provides new releasing mechanism of the transceiver from the cage. The transceiver comprises an optical receptacle, an actuator with a latching projection, a bail assembled with the receptacle such that, by rotating the bail as sandwiching the... Agent: Smith, Gambrell & Russell

20070212002 - Optical module: There is provided an optical module in which a process to form an optical coupling portion therein and to attach this portion to the end surface of a ferrule in an optical connector can be easily performed. Moreover, an area of the coupling portion coming in contact with the ferrule... Agent: Smith, Gambrell & Russell

20070212004 - Fiber optic cable breakout configuration with excess fiber length: The present disclosure relates to a telecommunications cable including a distribution cable and a tether that braches from the distribution cable at a mid-span breakout location. A flexible closure covers the mid-span breakout location. Within the closure, fibers are broken out from the distribution cable and spliced to fibers of... Agent: Merchant & Gould PC

20070212005 - Mid-span breakout with helical fiber routing: A mid-span breakout arrangement includes a distribution cable and a tether cable. The distribution cable has a breakout access location. The tether cable is secured to the distribution cable adjacent the breakout access location. The breakout further includes at least one length of optical fiber helically wrapped around the distribution... Agent: Merchant & Gould PC

20070212003 - Mid-span breakout with potted closure: A breakout assembly includes a distribution cable, a tether cable, and at least one optical fiber. The distribution cable includes a breakout location having a length. The tether cable is secured to the distribution cable. The optical fiber extends along the length of the breakout location from the distribution cable... Agent: Merchant & Gould PC

20070212006 - Tapered fiber bundle apparatus with monitoring capability: Systems and methods for monitoring signals in an optical fiber amplifier system are provided. The optical amplifier system includes a tapered fiber bundle which couples optical energy into the cladding of an optical amplifier. A signal passing through the optical amplifier is amplified. To monitor the amplified signal, a single... Agent: Fletcher Yoder (lucent)

20070212007 - Back light unit mold frame construction: A mold frame contains a lamp shade and a light source, a light guide being erected at the open end and secured in place on one side of the lamp shade; streams of light from the light source entering into from one side of the light guide plate to project... Agent: Troxell Law Office PLLC

20070212008 - Waveguide structure: A planar waveguide structure for creating a phase gradient between the input signals of a system of antenna elements requires relatively little space and also ensures relatively low-loss beam deflection. The waveguide structure is provided on a dielectric microwave substrate, which has at least one conductive layer on both sides.... Agent: Kenyon & Kenyon LLP

20070212010 - Cable slack manager: A cable slack manager for managing cable slack comprises two or more spaced apart cable management members rotatable between a first stored position and a second deployed position. At least one arm releasably securable to a cable management assembly (e.g., a rack or data cabinet) may carry the two or... Agent: Panduit Corp.

20070212009 - Fiber optic cable breakout configuration with retention block: The present disclosure relates to a telecommunications cable including a distribution cable and a tether that braches from the distribution cable at a mid-span breakout location. A flexible closure covers the mid-span breakout location. Within the closure, fibers are broken out from the distribution cable and spliced to fibers of... Agent: Merchant & Gould PC

20070212011 - Wall mount chassis: A wall mount chassis includes circuitry for telecommunications signals. The chassis includes a rear wall mountable to a vertical wall, and first and second sides. Each side includes a hinged cover. Each cover includes an access window for viewing an opposite side of the cover. On one side of the... Agent: Merchant & Gould PC

20070212012 - Planar lightwave circuit type variable optical attenuator: A planar lightwave circuit type variable optical attenuator with a small polarization dependent loss is provided. By setting the waveguide birefringence (absolute value) in first and second optical coupler sections equal to or greater than 3.5×10−4, the polarization mode coupling is made equal to or less than −25 dB, and... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070212013 - Photocurable resin composition for forming optical waveguide, photocurable dry film for forming optical waveguide, and optical waveguide: Disclosed is a photocurable resin composition and photocurable dry film that are very useful for forming optical waveguides. The present invention provides a photocurable resin composition for forming an optical waveguide, comprising a carboxy-containing unsaturated resin (A) obtained by reacting a carboxy-containing resin (a) with an epoxy-containing unsaturated compound (b);... Agent: Kratz, Quintos & Hanson, LLP

20070206902 - Fiber-coupled optical device mounted on a circuit board: An optical apparatus comprises: an optical fiber, an optical device on a substrate, a circuit board, and an electrical connection therebetween. The substrate has a groove for positioning the fiber for optical coupling with the optical device. A proximal segment of the fiber is secured to the substrate in the... Agent: Christie, Parker & Hale, LLP

20070206903 - Sbs reduction in optical media: A method and arrangement for stimulated Brillouin scattering (SBS) reduction in optical media that generate SBS are provided. SBS is reduced by providing a plurality of segments of optical medium and providing an optical isolator between adjacent pairs of segments so as to reduce the SBS and thereby improve power... Agent: Smart & Biggar P.o. Box 2999, Station D

20070206907 - Portable telephone and electronic equipment: The portable telephone has an optical signal transmission section 100 for performing signal transmission between a first casing 101 and a second casing 102 by optical signals. A need for any complex electromagnetic shield structure can be eliminated. There is no occurrence of electromagnetic-wave noise from an optical signal transmission... Agent: Birch Stewart Kolasch & Birch

20070206895 - Super-resolution optical components and left-handed materials thereof: Super-resolution optical components and left-handed materials thereof are provided. A left-handed material includes a substrate, a plurality of deformed split ring resonators (DSRR), and a plurality of metallic bars, wherein the DSRR and the metallic bars are disposed on the substrate with each DSRR and metal bar alternately arranged.... Agent: Birch Stewart Kolasch & Birch

20070206897 - N-nary optical semiconductor transistor and an optical and gate: An N-nary photonic transistor (PT) based on a heterojunction optical semiconductor microstructure is presented. The PT has one control signal input, one data signal input, and one output. The lights for each input can be one of the wavelengths within the N number (N-nary) of predetermined lightwaves. The output light... Agent: Shaowen Song Department Of Physics And Computer Science

20070206896 - Tunable dispersion compensation apparatus: A colorless tunable optical dispersion compensator (TODC) comprising a silica arrayed-waveguide grating (AWG) directly coupled to a polymer thermo-optic lens. As a result of its inventive construction, the device exhibits low loss, large tuning range, low electrical consumption and is readily manufactured using standard processes. Additionally, the TODC is fully... Agent: Brosemer, Kolefas & Associates, LLC - (lucent)

20070206898 - Optical equalization filtering of dwdm channels: An optical equalization filter and method for simultaneously suppressing inter-symbol interference within a number of dense wavelength division multiplexed channels contained within a DWDM signal wherein the filter may be positioned in any of a number of locations within a DWDM system such that an entire channel therein exhibits a... Agent: Brosemer, Kolefas & Associates, LLC (necl)

20070206899 - Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape: An integrated optical device is disclosed comprising a substrate, optical waveguide, and compound optical resonator having a temperature sensor, at least two coupled optical resonators, and a heater localized to each optical resonator. An optical input signal is coupled to one of the resonators making up the compound resonator to... Agent: Dunlap, Codding & Rogers P.C.

20070206900 - Ring core fiber: An optical waveguide can include a first region (12), a core (14) and a cladding (16). The core (14) surrounds the first region (12), and the cladding (16) surrounds the core (14). Typically, the core (14) includes an active material. In a further aspect, the invention features a system that... Agent: Nufern Peter J. Rainville

20070206901 - Sunlight simulator apparatus: Sunlight simulators that have optical homogenizer units that provide adjustably positionable beams of radiation, each within a selected portion of the spectrum of wave lengths of radiation emitted from a light source, that have uniform output intensity profiles measured across the ends of the optical homogenizer units. These sunlight simulators... Agent: Andrew L. Ney

20070206904 - Adjustable focus connector with spring action: An adjustable focus connector with spring action is especially adapted for use with common FC or SMA fiber optic receptacles. The connector includes a ferrule holder which mounts a fiber-carrying ferrule at a distal end thereof. At its proximal end the ferrule holder is threadedly connected to a lead screw... Agent: Jones, Tullar & Cooper, P.C.

20070206905 - Fiber optics module mounted to the faceplate of a plug-in card: Disclosed is a fiber optics module for mounting to the faceplate of a plug-in card. The plug-in card for permitting optical communication with an electronic device comprises a rigid printed circuit board with an edge connector for making electrical connection with said electronic device; a faceplate attached to said printed... Agent: Laubscher & Laubscher, P.C.

20070206906 - Optical harness assembly and method: An optical harness assembly and method are provided. The optical harness assembly includes at least one optical harness cable having a termination end; at least one electrical connector having connector pins; and at least one active connector conversion unit coupled between the termination end of the optical harness cable and... Agent: Raymond R. Moser Jr., Esq. MoserIPLaw Group

20070206908 - Apparatus and methods for integrally packaging optoelectronic devices, ic chips and optical transmission lines: Apparatus and methods for packaging optical communication devices include optical bench structures, such as silicon-optical benches (SiOB). An optical communications apparatus includes an optical bench comprising a substrate having an electrical turning via formed therein. An optoelectronic (OE) chip and integrated circuit (IC) chip are mounted on the optical bench... Agent: F. Chau & Associates, LLC

20070206909 - Optical fiber component package for high power dissipation: A package for an optical fiber device is disclosed. It has a high thermal conductivity packaging substrate surrounding the optical fiber device and has adhesive bonds at each end anchoring the optical fiber device to the substrate. The adhesive bonds are made of a material that has high transparency in... Agent: Brouillette & Partners

20070206911 - Gold metal cylinder fiber: An optical fiber having a thin layer of gold positioned between the core and cladding. The gold layer is vacuum deposited on a rotating clean glass rod which will become the fiber core. The rod is inserted into a tube that will form the cladding of the fiber. The tube... Agent: Bond, Schoeneck & King, PLLC

20070206910 - Optical fibers and optical fiber devices with total dispersion greater than material dispersion: Disclosed are optical fiber devices incorporating optical fibers with total dispersion greater than material dispersion, and with preferred dispersion values less than +50 ps/nm-km. The desired dispersion values are obtained when light resides substantially in a single higher order mode (HOM) of the fiber, typically the LP02 mode. The optical... Agent: Law Firm Of Peter V.d. Wilde

20070206912 - Apparatus and method for a waveguide with an index profile manifesting a central dip for better energy extraction: A method and apparatus is described that use an index-of-refraction profile having a significant central dip in refractive index (or another tailored index profile) within the core of a gain fiber or a gain waveguide on a substrate. The benefits of this central dip (more power with a given mode... Agent: Lemaire Patent Law Firm, P.l.l.c.

20070206913 - Optical film having multi-story prisms and manufacturing process thereof: An optical film includes a supporting layer and a structured-surface layer having a plurality of prims juxtapositionally formed on the supporting layer, each prim including a lower prism element bonded with the supporting layer and at least one upper prism element integrally superimposed on the lower prism element to increase... Agent: Ching-bin Lin

20070206914 - Core for a cable entry device: A core (110, 150) for supporting a covering (200, 510, 620) of a cable entry device (100, 500, 600). The core comprises at least one intermediate portion (111, 151a, 151b) connected to locking means (112, 113a, 113b, 152, 153a, 153b). The locking means are connected to the intermediate portion for... Agent: Potomac Patent Group, PLLC

20070206915 - Super-resolution optical components and left-handed materials thereof: Super-resolution optical components and left-handed materials thereof are provided. A left-handed material includes a substrate, a plurality of deformed split ring resonators (DSRR), and a plurality of metallic bars, wherein the DSRR and the metallic bars are disposed on the substrate with each DSRR and metal bar alternately arranged.... Agent: Birch Stewart Kolasch & Birch