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Optical patents



      
           
This page is updated frequently with new Optical-related patent applications. Subscribe to the Optical RSS feed to automatically get the update: related Optical RSS feeds. RSS updates for this page: Optical RSS RSS


Solid state variable direction of view endoscope

Karl Storz Imaging

Solid state variable direction of view endoscope

Optical-waveguide-element module

Sumitomo Osaka Cement

Optical-waveguide-element module

Optical-waveguide-element module

Newport

Continuous wave ultraviolet laser based on stimulated raman scattering

Date/App# patent app List of recent Optical-related patents
03/05/15
20150067929
 Illumination for optical scan and measurement patent thumbnailnew patent Illumination for optical scan and measurement
optical scanning with an optical probe composed of an elongated cylinder of transparent material mounted upon an optical scanner body; one or more sources of scan illumination mounted in the probe distally or proximally with respect to the scanner body and projecting scan illumination longitudinally through the probe; a radially-reflecting optical element mounted in the probe having a conical mirror on a surface of the radially-reflecting optical element, the mirror oriented so as to project scan illumination radially away from a longitudinal axis of the probe with at least some of the scan illumination projected onto a scanned object; a lens mounted in the probe between the radially-reflecting optical element and the scanner body and disposed so as to conduct to an optical sensor scan illumination reflected from the scanned object.. .
United Sciences, Llc
03/05/15
20150067628
 Layout content analysis for source mask optimization acceleration patent thumbnailnew patent Layout content analysis for source mask optimization acceleration
The invention provides for the acceleration of a source mask optimization process. In some implementations, a layout design is analyzed by a pattern matching process, wherein sections of the layout design having similar patterns are identified and consolidated into pattern groups.
Mentor Graphics Corporation
03/05/15
20150067620
 Method and system of generating layout patent thumbnailnew patent Method and system of generating layout
A method of generating a layout usable for fabricating an integrated circuit is disclosed. The method includes generating a block layout layer usable in conjunction with a first conductive layout layer.
Taiwan Semiconductor Manufacturing Company, Ltd.
03/05/15
20150067370
 Power saving method and control circuitry and power supply patent thumbnailnew patent Power saving method and control circuitry and power supply
The present disclosure provides a control circuitry used in a computing system, for enabling or disabling a standby module of a power supply. The control circuitry is electrically coupled to two nodes of the standby module, and comprises a determination circuit, a transistor, and an optical coupler.
Universal Global Scientific Industrial Co., Ltd.
03/05/15
20150066895
 System and  automatic fact extraction from images of domain-specific documents with further web verification patent thumbnailnew patent System and automatic fact extraction from images of domain-specific documents with further web verification
Provided are systems and methods for building a domain-specific facts network. A system includes an optical character recognition (ocr) system configured to perform ocr on an image of a domain-specific document.
Glenbrook Networks
03/05/15
20150066438
 Low-power data acquisition system and sensor interface patent thumbnailnew patent Low-power data acquisition system and sensor interface
A sensor interface includes on-chip relaxation oscillator circuit and a pll that operate cooperatively to generate a highly accurate clock signal on-chip using low-power components. A photodiode generates a current signal based on an optical signal that is representative of a sensor signal.
Broadcom Corporation
03/05/15
20150066436
 Kinetic deconvolution optical reconstruction method patent thumbnailnew patent Kinetic deconvolution optical reconstruction method
A method of determining dynamic parameters for a plurality of sub-regions within an interrogation region comprises processing optical image data and measurements of a concentration of contrast agent entering each of the sub-regions to determine a flow-scaled impulse residue function for each of the sub-regions, and calculating dynamic parameters for each sub-region from a respective flow-scaled impulse residue function.. .
London Health Sciences Centre Research Inc.
03/05/15
20150066415
 Apparatus and  measuring microelectronic electromagnetic emissions to detect characteristics patent thumbnailnew patent Apparatus and measuring microelectronic electromagnetic emissions to detect characteristics
A system and process can be adapted to determine if a device under test (dut) is within predetermined acceptability or unacceptability pattern parameters based on configuration data and detectable emission or detectable signal profile data associated with a known good device under test (kgdut). The system can include a sensor array which includes different electromagnetic or optical sensors that can include electrical and/or thermal sensors, a control section operable to position elements of the sensor array in proximity to different areas of interest of the kgdut and dut, a kgdut/dut control system operable to input a pattern of testing control signals adapted to generate the detectable emissions or detectable signal profile data from the kgdut/dut's areas of interest during kgdut/dut testing, an analysis system operable to compare the detectable emissions or detectable signal profile data from the kgdut/dut, and an input/output system operable to display results..
United States Of America As Represented By The Secretary Of The Navy
03/05/15
20150066411
 Identification of damaged tools patent thumbnailnew patent Identification of damaged tools
Identifying a damaged tool, including capturing, by an optical scanner, images of a manufactured part machined by the damaged tool; determining, from the captured images by a data processor operatively coupled to the scanner, measurements of the part; and determining, by the data processor based upon the measurements, that the tool is damaged.. .
United Sciences, Llc
03/05/15
20150066116
 Blanket patent thumbnailnew patent Blanket
A wellness and/or heat blanket has autonomous, optically conductive fibers which are present in a proportion of 40 g/m2 or less, preferably 37 g/m2 or less and in particular approximately 35 g/m2 and/or which constitute a weight proportion of less than 15%, preferably less than 10% and in particular 8% or less.. .
Ibena Textilwerke Gmbh
03/05/15
20150066028
new patent

Systems and methods for internal bone fixation


Internal bone fixation devices and methods for using the devices for repairing a weakened or fractured bone are disclosed herein. According to aspects illustrated herein, there is provided a device for repairing a fractured bone that includes a delivery catheter having an elongated shaft with a proximal end, a distal end, and a longitudinal axis therebetween, the delivery catheter having an inner void for passing at least one reinforcing material, and an inner lumen for accepting a light pipe, wherein a distal end of the inner lumen terminates in an optical lens; a conformable member releasably engaging the distal end of the delivery catheter, the conformable member moving from a deflated state to an inflated state when the at least one reinforcing material is delivered to the conformable member; and an adapter releasably engaging the proximal end of the delivery catheter for receiving the light pipe and the at least one reinforcing material..
Illuminoss Medical, Inc.
03/05/15
20150066004
new patent

Methods and apparatus related to a launch connector portion of a ureteroscope laser-energy-delivery device


In one embodiment, an apparatus includes an optical fiber made of a silica-based material. A proximal end portion of the optical fiber has an outer-layer portion.
Boston Scientific Scimed, Inc.
03/05/15
20150065890
new patent

Optical biometric using same


An optical biometric system (1) is characterized by being provided with: a first received light amount information acquisition unit (25) which acquires skin blood flow data relating to a skin blood flow in a wide range of the scalp of a subject by controlling the transmission/reception of light to/from a light transmission/reception unit (30) using a wide-range control table; and a selection control table creation unit (24) which causes a storage unit (23) to store a selection control table for acquiring x pieces of first received light amount information (Δa1) selected from among n pieces of first received light amount information (Δa1), and in that when acquiring multiple pieces of measurement data relating to the brain activity in a predetermined range of the brain of the subject by controlling the transmission/reception of light to/from the light transmission/reception unit (30) using a control table, a light transmission/reception control unit (21) acquires skin blood flow data relating to a skin blood flow in a predetermined position of the scalp of the subject by controlling the transmission/reception of light to/from the light transmission/reception unit (30) using the selection control table.. .
Shimadzu Corporation
03/05/15
20150065889
new patent

Bodily worn multiple optical sensors heart rate measuring device and method


A photoplethysmography-based sensor for measuring heart rate is provided herein. The sensor may include a first light source and a second light source configured to illuminate a body tissue by a first light and a second light respectively; and a first and a second light detectors, each configured to detect light comprising portions of said first light and of said second light, transferred through the body tissue; and a processor with an analog measurement part configured to: receive light intensity readings of at least a portion of light as sensed by each one of both sensors and coming from each one of both sources; and calculate a measure of tissue absorption based on ratios of light portions transmitted by each one of both sources and measured by each one of both detectors..
Life Beam Technologies Ltd.
03/05/15
20150065866
new patent

Method for repositioning a mobile imaging system, image capturing unit and optical marker


E) repositioning the mobile imaging system using a comparison of the reference variables from a) and b) with the respectively corresponding reference variables from d). An image capturing unit and an optical marker are also provided..
03/05/15
20150065858
new patent

Core-satellite nanocomposites for mri and photothermal therapy


The present invention provides methods, compositions, systems, and kits comprising core-satellite nanocomposites useful for photothermal and/or mri applications (e.g., tumor treatment and/or imaging). In certain embodiments, the core-satellite nanocomposites comprise: i) a core nanoparticle complex comprising a biocompatible coating surrounding a nanoparticle core, and ii) at least one satellite component attached to, or absorbed to, the biocompatible coating.
The Regents Of The University Of Michigan
03/05/15
20150065849
new patent

Automated pneumothorax detection


A method of determining the presence of a pneumothorax includes obtaining a series of frames of image data relating to a region of interest including a pleural interface of a lung. The image data includes at least a first frame and a second frame.
The Johns Hopkins University
03/05/15
20150065823
new patent

Noninvasive mid-infrared in vivo glucose sensor


A noninvasive mid-infrared in vivo glucose sensor for use in connection with the skin of a test subject is disclosed. The sensor includes a mid-infrared light source configured to deliver a light beam to the skin of the test subject, a collector element configured to collect backscattered light from the skin and direct it to the detector, and a detector element configured to measure the collected backscattered light from the skin.
The Trustees Of Princeton University
03/05/15
20150065800
new patent

Video endoscope


A video endoscope including: an elongated housing; an image sensor unit arranged in the elongated housing; an optical transmitting unit arranged in the elongated housing and connected to the image sensor unit; and a through contact device, wherein the optical transmitting unit is arranged at a proximal end of the elongated housing on the through-contact device, the through-contact device penetrates through a wall of the elongated housing and the through-contact device is arranged such that it is mounted in a hermetically sealed manner in the wall of the elongated housing.. .
Olympus Winter & Ibe Gmbh
03/05/15
20150065799
new patent

Solid state variable direction of view endoscope


An endoscope with a wide angle lens that comprises an optical axis that is angularly offset from a longitudinal axis of the endoscope such that the optical axis resides at an angle greater than zero degrees to the longitudinal axis. The wide angle lens system simultaneously gathers an endoscopic image field, the endoscopic image field at least spanning the longitudinal axis and an angle greater than ninety degrees to the longitudinal axis.
Karl Storz Imaging, Inc.
03/05/15
20150065798
new patent

Electronic endoscope device and imaging module therefor


Provided are an imaging module for an endoscope that favorably blocks incidence of flare light to an imaging element and an electronic endoscope device including the same. The imaging module for an endoscope includes an objective lens optical system; a transparent optical member 56; an imaging element 58 that is of a microlens non-mounting type; an adhesive layer; and a light shielding mask 121 for a measure against flare that is interposed between a light emission surface 56a and a light incidence surface, is formed with an opening 121a, which matches an image circle that passes through the objective lens optical system and the transparent optical member 56 and is formed on the light incidence surface of the imaging element 58 and has a smaller diameter than the image circle, and is provided immediately before the light incidence surface of the imaging element 58..
Fujifilm Corporation
03/05/15
20150065797
new patent

Electronic endoscope device, imaging module, and image pick-up lens molding method


The invention provides an electronic endoscope device, an imaging module, and an image pick-up lens molding method that can prevented dew formation of an objective lens optical system and facilitate manufacture. An objective lens optical system of an imaging module includes a tip lens 50a in which a tip surface and a back surface are formed in a plane, and a recess s is formed; a plane plate 50b that block the recess s; and a lens barrel 51a that integrally molds and forms the entire outer peripheral surfaces of the tip lens 50a and the plane plate 50b with resin, while a state is maintained where the plane plate 50b is pressed against the tip lens 50a, and the plane plate 50b and the back surface of the tip lens 50a are directly brought into close contact with each other at an entire joining surface therebetween..
Fujifilm Corporation
03/05/15
20150065796
new patent

Optical unit, endoscope apparatus, and manufacturing optical unit


An optical unit includes: a cylindrical member whose thickness varies in a circumferential direction; a transparent member disposed at one end, in an axial direction, of the cylindrical member; and a joining member which joins the transparent member to the cylindrical member and thereby seals the cylindrical member at the one end in the axial direction, and a portion, joining a side surface of the transparent member to an inner circumferential surface of the cylindrical member, of the joining member is thicker at a position where the cylindrical member is thick than at a position where the cylindrical member is thin.. .
Fujifilm Corporation
03/05/15
20150065795
new patent

Optical coupler for an endoscope


An optical coupler is disclosed for mounting at a distal end of an optical imaging device for visualizing a surface area covered with an opaque fluid and/or particulate matter. The coupler includes a visualization section at one end of the coupler and an attachment section connected to and extending away from the visualization section.
The General Hospital Corporation
03/05/15
20150065716
new patent

Compound, optical resolution method, and derivative of an optical isomer of an amino acid


Or chemical formula (2):. .
03/05/15
20150065663
new patent

Curable composition, cured product, and using curable composition


Wherein r1 is a hydrogen atom, etc., x0 is a halogen atom, etc., d is a single bond, etc., r2 is a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, etc., z is a hydroxyl group, etc., m and n are independently a positive integer, and o, p, q, and r are independently 0 or a positive integer, and the component (b) being a silane coupling agent that includes a nitrogen atom in its molecule. With the invention, it is possible to provide: a curable composition that produces a cured product that exhibits excellent heat resistance, excellent transparency, and high adhesion; a cured product obtained by curing the curable composition; and a method for using the curable composition as an optical device adhesive, etc..
03/05/15
20150065645
new patent

Huds colorants for paints, dyes, and inks


Hyperuniformly disordered structures (huds) as colorants for use in paints, dyes, and methods for manufacturing the same. Applications of huds made via the processes and methods described herein include almost any application involving light, from photovoltaics and light emitters to optical sensors, optical communications devices, optical filters, distance-measuring, tracking, and other applications.
03/05/15
20150065643
new patent

New organosilicon compound, thermosetting resin composition containing the organosilicon compound, hardening resin and encapsulation material for optical semiconductor


Wherein, x is each independently a group represented by formula (i), formula (ii) or formula (iii) as described below, and when the number of the group represented by formula (i) per one molecule of the liquid organosilicon compound represented by general formula (1) is defined as a, the number of the group represented by formula (ii) per one molecule thereof is defined as b, and the number of the group represented by formula (iii) per one molecule thereof is defined as c, 0≦a≦3.5, 0≦b≦3.5, and 0≦c≦1 are obtained, and also a+b+2c=4 is obtained:. .
03/05/15
20150065330
new patent

Optical glass, optical element, optical system, and optical device


An optical glass includes, in weight percent: 15% to 36% of sio2; 13% to 31% of b2o3; 4% to 27% of al2o3; 0% to 19% of ta2o5; 0% to 10% of zro2; and 0% to 10% of nb2o5; wherein ta2o5+nb2o5+zro2≧7.1%; and has optical constants including a refractive index nd between 1.54 and less than 1.61 and an abbe number vd in the range of 50 to 57; and wherein Δpgy that denotes the anomalous dispersion is −0.004 or less.. .
Nikon Corporation
03/05/15
20150064833
new patent

Connector of connecting light sensor and substrate and fabricating light sensor


A connector of connecting a light sensor and a substrate is utilized for rotating the light sensor so that the light-receiving direction of the light sensor is parallel with the substrate. When the connector is utilized in an optical touch system, the light sensor can be disposed on the substrate of the optical touch system by means of general manufacturing facilities of flat display panels.
Pixart Imaging Inc.
03/05/15
20150064824
new patent

Optical device and manufacturing method therefor


An optical device including a substrate formed of a light transmitting material and a light emitting layer formed on the front surface of the substrate. Both the front surface and the back surface of the substrate are parallel to each other and have substantially the same rectangular shape.
Disco Corporation
03/05/15
20150064822
new patent

Deep ultraviolet light emitting diode


A method of fabricating a light emitting diode, which includes an n-type contact layer and a light generating structure adjacent to the n-type contact layer, is provided. The light generating structure includes a set of quantum wells.
Sensor Electronic Technology, Inc.
03/05/15
20150064817
new patent

Electrically controlled optical fuse and fabrication


Embodiments of the present invention provide an electrically controlled optical fuse. The optical fuse is activated electronically instead of by the light source itself.
International Business Machines Corporation
03/05/15
20150064812
new patent

Method of forming a semiconductor device employing an optical planarization layer


A method for the manufacture of a semiconductor device is provided, including the steps of providing a semiconductor substrate including a first area separated from a second area by a first isolation region, wherein the second area includes an intermediate transistor comprising a gate electrode, forming an oxide layer over the first and second areas, forming an organic planarization layer (opl) over the oxide layer, forming a mask layer over the opl in the first area without covering the opl in the second area, and etching the opl with the mask layer being present to expose the oxide layer over the gate electrode of the transistor.. .
Globalfoundries Inc.
03/05/15
20150064778
new patent

Raman spectroscopic apparatus, raman spectroscopic method, and electronic apparatus


A raman spectroscopic apparatus analyzes a substance under analysis and includes a light source that emits light of a first wavelength, an optical device that adsorbs the substance under analysis and is irradiated with the light of the first wavelength, and an optical detector that receives light radiated from the optical device. The optical device includes a first structural member that generates charge transfer resonance in response to the light of the first wavelength and a second structural member that is less than or equal to 5 nm from the first structural member and generates surface plasmon resonance in response to the light of the first wavelength.
Seiko Epson Corporation
03/05/15
20150064773
new patent

Detergent composition and substitution of optical brighteners in detergent composition


The present invention relates to a method for reformulating a detergent composition wherein a first detergent formulation comprising an optical brightener is reformulated by reducing the amount of optical brightener by at least 20% and including a cellulase. The invention further relates to detergent compositions comprising an optical brightener and a cellulase wherein the optical brightener is comprised at a level of at most 0.75% by weight of the composition and the cellulase is present in an amount of atleast 0.5 ecu/g of the composition..
Novozymes A/s
03/05/15
20150064628
new patent

Methods for making micro- and nano-scale conductive grids for transparent electrodes and polarizers by roll to roll optical lithography


Methods of micro- and nano-patterning substrates to form transparent conductive electrode structures or polarizers by continuous near-field optical nanolithography methods using a roll-type photomask or phase-shift mask are provided. In such methods, a near-field optical nanolithography technique uses a phase-shift or photo-mask roller that comprises a rigid patterned externally exposed surface that transfers a pattern to an underlying substrate.
The Regents Of The University Of Michigan
03/05/15
20150064447
new patent

Adhesive with embedded waveguides for curing


An optical device includes a support structure configured to retain an optical element using a cured adhesive composition that is disposed between a surface of the support structure and a surface of the optical element, wherein a structured optical particulate material is dispersed throughout the cured adhesive. The structured optical particulate material redirects curing radiation via a scattering mechanism to facilitate curing of portions of the adhesive compositions that cannot be directly exposed to the radiation, thereby facilitating rapid and more thorough curing than could otherwise be achieved without the structured optical particulate material..
Corning Incorporated
03/05/15
20150064363
new patent

Localized atmospheric laser chemical vapor deposition


An atmospheric, laser-based chemical vapor deposition (lcvd) technique provides highly localized deposition of material to mitigate damage sites on an optical component. The same laser beam can be used to deposit material as well as for in-situ annealing of the deposited material.
Lawrence Livermore National Security, Llc
03/05/15
20150064348
new patent

Method for manufacturing optical film


The invention relates to a method for manufacturing an optical film. The method includes an unwinding step, a cleaning step and an application step.
Nitto Denko Corporation
03/05/15
20150064342
new patent

Method and device for producing a structured varnish surface


The invention relates to a method for producing a structured, at least partly optically transparent varnish surface on a surface of a substrate board, preferably of a wood material board, having a decoration. The steps of the method include applying a transparent or at least partly transparent varnish to an applicator roll thereby producing a structured varnish surface and transferring the structured varnish surface to a substrate board having a decoration.
Fritz Egger Gmbh & Co. Og
03/05/15
20150064340
new patent

Fixed and portable coating apparatuses and methods


A system and method for depositing a coating may comprise a coating chemical reactor, surface activation component, and a deposition component. A target surface may be prepared for deposition with the surface activation component.
University Of Houston
03/05/15
20150064107
new patent

Imaging agent


The invention relates to imaging agents, and in particular to multi-modal nanoparticle (npia) imaging agents offering magnetic, radionuclide and fluorescent imaging capabilities to exploit the complementary advantages of magnetic resonance imaging (mri), positron emission tomography (pet), single-photon emission computed tomography (spect) and optical imaging (oi). The invention extends to these new types of agents per se, and to uses of such agents in various biomedical applications, such as in therapy and in diagnosis..
King's College London
03/05/15
20150064093
new patent

Mesoporous silica and organosilica materials and process for their preparation


In this invention, we disclose a method as well as silica and/or organosilica mesoporous materials obtained by templating using nanocrystalline cellulose and removal of the latter using acidic conditions. The resultant mesoporous silica materials are characterized by having high surface area with tunable iridescence resulting from the long-range chiral nematic organization.
Fpinnovations
03/05/15
20150064080
new patent

Saliva container with optical volume indicator


A device with a vessel for saliva that has one or more optical indicators to show the volume of saliva in the container. The optical indicators use the principle of total internal reflection together with the difference in refractive index between saliva and air.
Reflex Medical Corp.
03/05/15
20150064005
new patent

Wind turbine blade provided with optical wind velocity measurement system


A wind turbine includes a number of blades and an optical measurement system comprising a light source, such as a laser, an optical transmitter part, an optical receiver part, and a signal processor. The light source is optically coupled to the optical transmitter part, which includes an emission point for emitting light in a probing direction.
Lm Glasfiber A/s
03/05/15
20150063844
new patent

Image forming apparatus


An image forming apparatus includes a fixing member, at least one reflective optical sensor, a heat shielding member, and a processor. The fixing member fixes an image on a recording medium moving in a first axis direction.
03/05/15
20150063832
new patent

Multi-channel receiver optical sub assembly


Disclosed is a multi-channel receiver optical sub assembly. The a multi-channel receiver optical sub assembly includes: a multi-channel pd array, in which a plurality of photodiodes (pds) disposed on a first capacitor, and including receiving areas disposed at centers thereof and anode electrode pads arranged in an opposite direction at an angle of 180 degrees based on the receiving areas between the adjacent pds is monolithically integrated; a plurality of transimpedance amplifiers (tias) arranged on a plurality of second capacitors, respectively, and connected with the anode pads of the respective pds through wire bonding; a submount on which the first capacitor..
Electronics And Telecommunications Research Institute
03/05/15
20150063831
new patent

Burst mode optical receiver and memory system using the same


A burst mode optical receiver includes a pre-amplifier configured to convert an optical burst mode signal into a voltage signal, a reference controller configured to determine a reference voltage for the voltage signal in response to a mode signal from a host indicating an interval during which the voltage signal is dc balanced, and a main amplifier configured to restore the voltage signal to a data signal based on the reference voltage. Related methods of operation are also discussed..
Samsung Electronics Co., Ltd.
03/05/15
20150063830
new patent

Continuous wave ultraviolet laser based on stimulated raman scattering


The present application is directed to a laser system using stimulated raman scattering and harmonic conversion to produce a continuous wave ultraviolet wavelength output signal. More specifically, the laser system includes a pump source configured to generate at least one pump signal, a resonant cavity resonant at a stokes wavelength in optical communication with the pump source, a srs gain device positioned within the resonant cavity and configured to generate at least one srs output signal at a stokes wavelength when pumped with the pump signal, and a harmonic conversion device positioned within the resonant cavity and configured to produce a continuous wave second harmonic output signal of the srs output signal..
Newport Corporation
03/05/15
20150063828
new patent

Generalized transmit pre-coding for optical and backplane channels


Systems that allow for dfe functionality to be eliminated from the receiver side of a communication system and for a dfe-like functionality to be implemented instead at the transmitter side of the communication system are provided. By removing the dfe functionality from the receiver side, error propagation can be eliminated at the receiver and receiver complexity can be reduced drastically.
Broadcom Corporation
03/05/15
20150063826
new patent

Optical waveguide with cascaded modulator circuits


An optical waveguide for transmitting an optical signal input to the optical waveguide with a first frequency. The optical waveguide includes a plurality of modulator circuits configured along an optical transmission channel.
Micron Technology, Inc.
03/05/15
20150063825
new patent

Signal synchronization transmission system, synchronization drive system for optical modulator, signal synchronization transmission method, and non-transitory computer readable medium storing program thereof


The present invention includes optical phase modulation circuits (26a, 26b) as one and another transmission processing devices that transmit a plurality of pieces of data in a phase-synchronous manner, and one and another synchronization drive means (33a, 33b) for synchronously control transmission operations of the optical phase modulation circuits. The synchronization drive means (33a, 33b) respectively include phase interpolation circuits (42, 72) that externally receive reference clocks that set operation timings of the optical phase modulation circuits (26a, 26b) through predetermined paths set in advance, and perform phase interpolation processing on the reference clocks to generate synchronization setting clocks, and synchronization setting circuits (60, 76) that set the synchronization setting clocks that are generated as timing clocks, and based on the timing clocks, synchronously set timings of data transmission operations of the optical phase modulation circuits (26a, 26b) together with transmission data signals..
Nec Corporation
03/05/15
20150063824
new patent

Optical fiber transmission line


An optical fiber transmission line capable of minimizing the total splice loss per one span thereof. One span of an optical fiber transmission line provided between repeaters has two connection fibers and (n+1) number of optical transmission fibers.
Sumitomo Electric Industries, Ltd.
03/05/15
20150063823
new patent

Method, transmitter and receiver device for transmitting a binary digital transmit signal over an optical transmission link


The invention relates to a method for transmitting a binary digital transmit signal over an optical transmission link. The method includes the steps of creating a differential optical duobinary signal (sdodb(t)), supplying the differential optical duobinary signal sdodb(t)) to a first end of the optical transmission link, transmitting the differential optical duobinary signal sdodb(t)) to a second end of the optical transmission link, and receiving the differential optical duobinary signal sdodb(t)) as receive signal (srx(t)) at the second end of the optical transmission link by detecting the optical power of the differential optical duobinary signal sdodb(t)) and creating a binary digital receive signal (sbrx(t)) corresponding to the binary digital transmit signal (sbtx(t)) by decoding the receive signal (srx(t)).
Adva Optical Networking Se
03/05/15
20150063822
new patent

Optical transmitter, optical transmission/reception system, and drive circuit


An optical modulator includes optical waveguides on which phase modulation regions are formed. A drive circuit includes a lower-bit drive unit, an upper-bit drive unit, and a bit splitting unit.
Nec Corporation
03/05/15
20150063821
new patent

Apparatus and efficient two-way optical communication where transmitter may interfere with receiver


An two-way optical communication apparatus, including a transmit element, a receive element, and a transceive processor. The transmit element is coupled to a light pipe, and transmits a first signal.
Revolv Inc.
03/05/15
20150063820
new patent

Cross-talk reduction in a bidirectional optoelectronic device


A bidirectional optoelectronic device comprises a photodetector, a light source, and a drive circuit for the light source. The light source has first and second electrical leads for receiving an input electrical signal, and the drive circuit can be arranged to apply first and second portions of the input electrical signal to the first and second electrical leads, respectively, wherein the second portion of the input electrical signal is a scaled, inverted substantial replica of the first portion of the input electrical signal.
Hoya Corporation Usa
03/05/15
20150063819
new patent

Optical transmitter, optical transmission/reception system, and drive circuit


The present invention provides an optical transmitter, an optical transmission/reception system, and a drive circuit, which are capable of adjusting linearity of signal intensity of output light. The optical transmitter includes an optical transmission lines through which an optical signal propagates, phase modulation regions being formed on the optical transmission line.
Nec Corporation
03/05/15
20150063818
new patent

Method and system for optical impairments mitigation for high-speed optical communication systems


A method and system for simultaneous mitigation of optical impairment from both equalizer-phase noise interaction (epni) and fiber nonlinear effects (fne) is disclosed. In one embodiment, the method is directed to simultaneous mitigation of optical impairment from both equalizer-phase noise interaction (epni) and fiber nonlinear effects (fne) using a fast-adaptive multi-tap digital filter..
At&t Intellectual Property I, L.p.
03/05/15
20150063816
new patent

Method and visually indicating connections between mult-wavelength interfaces and uni-wavelength interfaces


A method and apparatus for visually indicating the connections between optical interfaces is provided. The optical interfaces may include multi-wavelength optical interfaces and uni-wavelength optical interfaces.
03/05/15
20150063815
new patent

Fiber-to-the-antenna systems and fiber optic demarcation units


A fiber-to-the-antenna (ftta) system includes a multi-fiber cable configured to be operatively coupled to fiber optic equipment on the ground, and a fiber optic demarcation unit comprising an adapter optically coupled to the multi-fiber cable. The ftta system also includes a multi-fiber jumper cable comprising a push-pull connector at one end configured to optically couple to a respective adapter of the fiber optic demarcation unit.
Opterna Technology Limited
03/05/15
20150063813
new patent

Clock recovery ultra dense wdm systems


An exemplary method and apparatus are provided for high efficiency wavelength division multiplexing (wdm) optical communication systems. An optical transmitter adapted to transmit an optical signal on an optical wdm transmission channel to a corresponding optical receiver is described.
Alcatel Lucent
03/05/15
20150063812
new patent

Compensator for wavelength drift due to variable laser injection current and temperature in a directly modulated burst mode laser


An optical node comprises a tunable optical transceiver having a laser and a temperature element. The optical node also comprises a wavelength shift stabilization circuit configured to adjust current provided to the temperature element such that wavelength shifts, due to changes in a drive current applied to the tunable optical transceiver, are reduced..
Calix, Inc.
03/05/15
20150063810
new patent

Optical 90-degree hybrid circuit and optical receiver using same


An object of the present invention is to provide an optical 90-degree hybrid circuit which is capable of easily adjusting the optical power ratio between signal and local oscillator and suppresses an optical system of an optical receiver becoming complex and optical receivers using the same. The optical 90-degree hybrid circuit for demodulating multilevel phase-modulated signals corresponding to individual polarized waves by multiplexing an optical wave having a predetermined plane of polarization contained in signal and local oscillator that has the same wavelength as the signal and has been adjusted to circularly-polarized signal, and polarization-splitting the multiplexed signal includes polarization splitting means (polarization splitting) for extracting an optical wave having a predetermined plane of polarization from the signal, a polarization conversion element for rotating a plane of polarization of the optical wave extracted from the polarization splitting means, and a polarizer that determines a plane of polarization of the signal before multiplexing the signal with the local oscillator, and the polarization splitting means, the polarization conversion element, and the polarizer adjust intensity of the optical signal (voa function) in cooperation with each other..
Sumitomo Osaka Cement Co., Ltd.
03/05/15
20150063809
new patent

Optical module and optical transmitter


An optical module includes a waveguide substrate having an optical waveguide and electrodes that apply electronic signals to the optical waveguide; a relay substrate disposed adjacently to the waveguide substrate; and a termination substrate disposed sandwiching the waveguide substrate with the relay substrate. The electrodes respectively have a first wiring portion connected from the relay substrate through the waveguide substrate to the termination substrate and a second wiring portion extending from the first wiring portion and branching on the termination substrate.
Fujitsu Optical Components Limited
03/05/15
20150063808
new patent

Identifying data streams in polarization multiplexed transmission


A polarization multiplexed receiver includes a polarization separator and optical mixing, detecting and analog-to-digital components. The polarization separator receives polarization multiplexed optical signals containing a first data stream and a second data stream, and operate upon the polarization multiplexed optical signals to separate, in an optical domain, the first data stream and the second data stream to generate a first optical output having the first data stream and a second optical output having the second data stream.
Verizon Patent And Licensing Inc.
03/05/15
20150063807
new patent

Optical data transmission system


A data transmission system (200) comprises: a main optical packet ring (201) comprising a plurality of separate packet transmission channels; and a plurality of secondary optical packet rings (202) interconnected through the main optical packet ring. Each of the secondary optical packet rings (202) comprises a plurality of nodes (400).
Alcatel Lucent
03/05/15
20150063806
new patent

Dynamic hitless resizing in optical transport networks


The invention relates to techniques for controlling a dynamic hitless resizing in data transport networks. According to a method aspect of the invention, a network connection comprises m tributary slots defined in a payload area of a higher order transport scheme of the data transport network and the method comprises the steps of receiving a connection resize control signal at each of the nodes along the path of the network connection; adding at each node along the path in response to the connection resize control signal a second set of n tributary slots to the first set of the m tributary slots, such that the network connection comprises m+n tributary slots; and increasing, after m+n tributary slots are available for the network connection at each node along the path, a transport data rate of the network connection..
Huawei Technologies Co., Ltd.
03/05/15
20150063805
new patent

Pre-emption in passive optical networks


A device for pre-emption in passive optical networks may include a first media access control (mac) module configured to receive a first type of data traffic and transmit the first type of data traffic to a mac merge module. The device may further include a second media access control (mac) module configured to receive a second type of data traffic and transmit the second type of data traffic to the mac merge module.
Broadcom Corporation
03/05/15
20150063804
new patent

Path computation element protocol (pcep) operations to support wavelength switched optical network routing, wavelength assignment, and impairment validation


An apparatus comprising a path computation element (pce) configured for at least partial impairment aware routing and wavelength assignment (rwa) and to communicate with a path computation client (pcc) based on a pce protocol (pcep) that supports path routing, wavelength assignment (wa), and impairment validation (iv). The pcep comprises at least one operation selected from the group consisting of a new rwa path request operation and a path re-optimization request operation.
Futurewei Technologies, Inc.
03/05/15
20150063803
new patent

Optical access network


An optical access network comprises an optical network unit having a first port for connecting to a first optical link, a second port for connecting to a second optical link and an optical source. The optical source is arranged to generate a first optical signal, to transmit the first optical signal via the first port, to receive an optical seed signal via the first port and to amplify the optical seed signal.
Telefonaktiebolaget L M Ericsson (publ)
03/05/15
20150063802
new patent

Dynamic end-to-end network path setup across multiple network layers


A centralized controller provides dynamic end-to-end network path setup across multiple network layers. In particular, the centralized controller manages end-to-end network path setup that provisions a path at both the transport network layer (e.g., optical) and the service network layer (e.g., ip/mpls).
Juniper Networks, Inc.
03/05/15
20150063801
new patent

Optically functional device, and manufacturing method thereof


An optical functional device equivalent to a 2×2 mach-zehnder optical switch is produced by forming two 3 db couplers and input/output waveguides on a substrate. Two optical phase modulation paths are formed on corresponding waveguides between 3 db couplers.
Nec Corporation
03/05/15
20150063799
new patent

New communications system architecture and design


A network device includes a plurality of optical input/output (i/o) units to exchange one or more optical signals with the optical network. The network device further includes a switch fabric to process one or more optical signals exchanged with an optical network.
Verizon Patent And Licensing Inc.
03/05/15
20150063798
new patent

Optical transmission device and monitoring optical signal


An optical transmission device includes: a reception unit configured to receive a plurality of light beams and wavelength allocation information of optical signals included in each of the light beams; a demultiplexing unit configured to demultiplex the plurality of light beams received; a plurality of switches configured to switch between transmitting or blocking with respect to the demultiplexed plurality of light beams; a multiplexing unit configured to multiplex light beams transmitted from the plurality of switches; a monitoring unit configured to monitor an intensity of the multiplexed light beams; and a controller configured to, based on the wavelength allocation information, obtain a combination of the light beams not including the optical signals having overlapping wavelengths, and control the plurality of switches in accordance with the combination.. .
Fujitsu Limited
03/05/15
20150063797
new patent

Method and system for fault recovery in an optical network


A system for fault recovery in an optical network may include an initial loading equipment (ile) apparatus configured to supply power to a set of channels over a first communications link of the optical network, the set of channels including data channels and spare channels, and a control system configured to detect an optical power level over the data channels of the first communications link and determine whether a q-factor corresponding to the data channels of the first communications link is below an error correction threshold, the control system configured to alert the ile apparatus to adjust its optical power output over the spare channels upwardly based on the determination that the q-factor is below the error correction threshold to increase the q-factor.. .
Tyco Electronics Subsea Communications Llc
03/05/15
20150063773
new patent

Optical fiber cable management apparatuses with storage hub components


A storage hub component for hanging optical fiber cable that includes a mounting base configured to be mounted within a cable storage housing. A hanging projection extends outwardly from the mounting base.
Corning Optical Communications Llc
03/05/15
20150063772
new patent

Cassette and drop handle with flexible radius controller


Cassettes for optical cables with a plurality of adapters for connecting external devices to the cassette. The cassettes may be hingedly connected to a drop handle that is configured to inhibit access to the plurality of adapters when in a stored position, and allows access when in an open position.
Corning Optical Communications Llc
03/05/15
20150063771
new patent

Replaceable modular optical connection assembly


Connectors of a first removable modular optical connection assembly, having a first predefined arrangement of optical signal conduits, are connected to respective connectors on a support structure that are optically connected to corresponding devices. The first modular optical connection assembly is replaceable with a second modular optical connection assembly having a second, different predefined arrangement of optical signal conduits, to change a topology of a network..
03/05/15
20150063770
new patent

Fiber optic cable packaging management


A fiber optic enclosure assembly for enclosing optical fiber connections is disclosed herein. The fiber optic enclosure assembly includes a housing having an interior region, a housing port extending through the housing, a cover surrounding the housing, a cable management recess in the cover, a cover port disposed through a section of the cover, a cable distribution system in the interior region of the housing, and a fiber optic cable.
Adc Telecommunications, Inc.
03/05/15
20150063768
new patent

Optical waveguide structure with waveguide coupler to facilitate off-chip coupling


Aspects of the invention are directed to a method for forming an optical waveguide structure. Initially, a base film stack is received with an optical waveguide feature covered by a lower dielectric layer.
International Business Machines Corporation
03/05/15
20150063767
new patent

Method and device for reducing mode instability in an optical waveguide


The invention relates to a method and corresponding devices for reducing mode instability in an optical waveguide (1), a light signal becoming unstable in the optical waveguide (1) beyond an output power threshold and energy being transformed from a basic mode into higher order modes. The invention proposes a reduction in temperature variation (2) along the optical waveguide (1) and/or a reduction in changes in the optical waveguide (1) that are caused by spatial temperature variation as a result of mode interference..
Friedrich-schiller-universitÄt Jena
03/05/15
20150063766
new patent

Cable splicing fixture


An alignment fixture is configured to receive a group of optical fibers with each of the optical fibers having a coating and a bare fiber end. The fixture includes a first end configured to permit insertion of the optical fibers into a body of the fixture and a second end configured to align the bare fiber ends of the optical fibers in a particular arrangement.
Verizon Patent And Licensing Inc.
03/05/15
20150063765
new patent

Device-to-device optical connectors


A device-to-device optical connector assembly is configured to provide an optical signal as an expanded beam to an expanded beam plug cable. The connector assembly includes an active receptacle having a lead-in portion that receives a light beam from an opto-electronic device, a lead-out portion and a turn portion that turns the light beam and delivers a collimated light beam to the lead-out portion.
Corning Optical Communications Llc
03/05/15
20150063764
new patent

Lens assemblies and optical connectors incorporating the same


Lens assemblies including a substrate and a plurality of mechanically isolated lenses coupled to the substrate are disclosed. The substrate may have a low coefficient of thermal expansion.
Corning Cable Systems Llc
03/05/15
20150063763
new patent

Optical-electrical composite connector


An optical-electrical composite connector includes a housing that can accommodate an extra portion of an optical fiber. The optical-electrical composite connector further includes a contact portion for electrically contacting with a mating connector, and a dividing member for dividing the housing into a first space and a second space.
Hirose Electric Co., Ltd.
03/05/15
20150063762
new patent

Optical module having latching mechanism of cover with bush


An optical module with an improved coupling portion to couple an optical device with an external fiber is disclosed. The coupling portion includes a stub to secure a coupling fiber in a center thereof, a bush to support the stub, a sleeve to receive the stub in a portion thereof and an external ferrule in another portion, and a sleeve cover to cover the sleeve.
Sumitomo Electric Device Innovations, Inc.
03/05/15
20150063761
new patent

Test system for checking a splice connection between a fiber optic connector and one or more optical fibers


A test system for checking a splice connection between a fiber optic connector and one or more optical fibers includes a body, an adapter movable relative to the body between a first position and second position, and an optical power delivery system. The adapter has a first connector receiving area configured to interface with a first type of fiber optic connector and a second connector receiving area configured to interface with a second type of fiber optic connector.
Corning Cable Systems Llc
03/05/15
20150063759
new patent

Fiber optic connector cover and fiber optic assembly including same


A fiber optic assembly includes a connector and a cover received over an end face of the connector. The connector includes a ferrule through which an optical fiber extends to the end face of the connector.
Corning Optical Communications Llc
03/05/15
20150063757
new patent

Fiber optic connector installation tool


An installation tool for terminating one or more field optical fibers with a fiber optic connector includes a guide member and camming member. The guide member has a slot extending in an axial direction and is configured to receive a portion of the fiber optic connector.
Corning Optical Communications Llc
03/05/15
20150063756
new patent

System for terminating one or more optical fibers and fiber optic connector holder used in same


A system for terminating one or more optical fibers comprises a fiber optic connector, a connector holder, and an installation tool. The fiber optic connector has a ferrule and a connector housing in which the ferrule is at least partially positioned.
Coring Cable Systems Llc
03/05/15
20150063755
new patent

Multicore fiber waveguide coupler


An optical connector includes a fiber element incorporating one or more optical fibers, the optical fiber including a plurality of cores, and an optical element including an array of optical waveguides arranged in one or more layers so as to match the geometry of the plurality of cores of the optical fiber.. .
International Business Machines Corporation
03/05/15
20150063754
new patent

Universal optical fibers for optical fiber connectors


An optical fiber for use as a stub fiber in an optical fiber connector is disclosed. The optical fiber is configured with a segmented core that includes a single-mode segment with a step-index profile and at least one multimode segment having at least one alpha profile.
Corning Cable Systems Llc
03/05/15
20150063753
new patent

Enhanced coupling strength gratings


The present invention includes an optical waveguide with a grating and a method of making the same for increasing the effectiveness of the grating. In one example, the grating is at least partially covered by a liner layer disposed on at least a portion of a grating; and a cover layer disposed on the liner layer, wherein a first material selected for the core and ridges and a second material selected for the liner layer are selected to provide a difference in the index of refraction between the first and second material that is sufficient to provide a contrast therebetween..
Oracle International Corporation
03/05/15
20150063752
new patent

Constraining ball lens in an optical subassembly


In one embodiment, an optical subassembly includes a housing, a ball lens, a constraining insert, and a ball lens constraint. The housing includes a fiber receptacle formed in a first end of the housing and a second receptacle formed in a second end of the housing opposite the first end.
Finisar Corporation
03/05/15
20150063750
new patent

Optical connectors


An optical connector includes a first optical fiber and a second optical fiber. A first planar lens is positioned to operate on light exiting the first optical fiber to create a predetermined change in a wave front of the light.
03/05/15
20150063749
new patent

Lens unit and optical communication device


A lens unit includes first and second portions. The first and second portions share a common bottom surface and a common first side surface perpendicular to the bottom surface.
Hon Hai Precision Industry Co., Ltd.
03/05/15
20150063747
new patent

Fiber assembly for facet optical coupling


Disclosed are structures and methods for facet optical coupling of optical fibers to photonic integrated circuits.. .
Acacia Communications Inc.
03/05/15
20150063746
new patent

Optical waveguide substrate and information processing device


An optical waveguide substrate includes: a substrate body in which an optical waveguide is formed; a cable holding part configured to have a cable holding hole into which a signal cable is inserted, the signal cable having one of an incidence part and an emission part that is arranged so as to face the optical waveguide and having a first magnetic part; and a second magnetic part configured to generate a repulsive force in the cable holding hole in association with the first magnetic part.. .
Fujitsu Limited
03/05/15
20150063745
new patent

Optical coupling module


An optical coupling module includes a silicon photonic substrate, and an optical waveguide module. The silicon photonic substrate has a first surface and a first grating on the first surface for diffracting the light which passes through the grating.
Industrial Technology Research Institute
03/05/15
20150063744
new patent

Planar polarization rotator


An optical polarization rotator includes first and second optical waveguide ribs located along a planar surface of a substrate. The second optical waveguide rib is located farther from the surface than the first optical waveguide rib.
Alcatel Lucent
03/05/15
20150063743
new patent

Optical-waveguide-element module


An object of the present invention is to provide an optical waveguide element module where the bonding wires can be prevented from disengaging or disconnecting so as to provide high reliability. Another object is to provide an optical waveguide element module that can be made compact and where an increase in the manufacturing cost can be minimized.
Sumitomo Osaka Cement Co., Ltd.
03/05/15
20150063741
new patent

Device for generating a modulation of an optical signal


The invention relates to a device generating a modulation of an optical signal characterised in that the device comprises a first ring resonator modulator including a first waveguide, a first ring waveguide being optically coupled to the first waveguide, and a first control device, and a second ring resonator modulator including a second waveguide, a second ring waveguide being optically coupled to the second waveguide and being independent of the first ring, and a second control device, the device having at least one characteristic that influences the chirp introduced by the device, the characteristics of the device being selected in a manner so as to minimise the absolute value of the chirp introduced by the device.. .
Commissariat A L'energie Atomique Et Aux Energies Alternatives
03/05/15
20150063739
new patent

Actively tunable polar-dielectric optical devices


optical devices that include one or more structures fabricated from polar-dielectric materials that exhibit surface phonon polaritons (sphps), where the sphps alter the optical properties of the structure. The optical properties lent to these structures by the sphps are altered by introducing charge carriers directly into the structures.
Naval Research Laboratory
03/05/15
20150063700
new patent

Multiple hypothesis testing for word detection


Embodiments disclosed pertain to optical character recognition using multiple hypothesis testing based techniques on images occurring in a variety of settings, including images captured by mobile stations. In some embodiments, a set of bifurcation points for a character cluster in an image may be determined.
Qualcomm Incorporated
03/05/15
20150063692
new patent

Image capture device with contemporaneous reference image capture mechanism


A hand-held or otherwise portable or spatial or temporal performance-based image capture device includes one or more lenses, an aperture and a main sensor for capturing an original main image. A secondary sensor and optical system are for capturing a reference image that has temporal and spatial overlap with the original image.
Fotonation Limited
03/05/15
20150063674
new patent

Profiling a manufactured part during its service life


Profiling a manufactured part during its service life, including capturing by an optical scanner images of the part, the part characterized by an expected service life and by attributes with specifications of design values, including capturing the images at more than one time during an actual service life of the part; measuring by a data processor operatively coupled to the scanner, based upon the captured images, actual values of one or more of the attributes when the images are captured; storing, in a database by the data processor operatively coupled to the scanner, the measurements of the actual values of the attributes; and making a determination, from the stored actual values by a data processor operatively coupled to the database, whether the part continues to comply with its specification during the actual service life of the part.. .
United Sciences, Llc
03/05/15
20150063653
new patent

Method and system for providing efficient feedback regarding captured optical image quality


An optical image of a source document is captured. Two or more source document image test regions are then defined/determined.
Intuit Inc.
03/05/15
20150063605
new patent

Ophthalmic lens with micro-acoustic elements


The present invention discloses an ophthalmic device with micro-acoustic electromechanical elements and associated methods. In some embodiments, the micro-acoustic electromechanical elements may be useful for the purpose of providing audible warnings and/or messages to a user.
Johnson & Johnson Vision Care, Inc.
03/05/15
20150063418
new patent

Loss compensation for distributed sensing in downhole environments


An apparatus for estimating a parameter includes: an optical fiber sensor including at least one optical fiber configured to be disposed in a downhole location and including at least one sensing location configured to generate measurement signals; at least one light source configured to transmit a measurement signal having a wavelength to interrogate a sensing location and cause the sensing location to return a reflected measurement signal indicative of a measured parameter, and configured to transmit a reference signal and cause a reflected reference signal to be returned from a location associated with the sensing location, the reflected reference signal having a known relationship to hydrogen concentration; and a processor configured to receive the reflected measurement signal and the reflected reference signal, estimate the hydrogen concentration based on the reflected reference signal, and calibrate the first reflected signal based on the estimated hydrogen concentration.. .
Baker Hughes Incorporated
03/05/15
20150063406
new patent

Optical coherence tomography (oct) freeze drying microscopy


A product critical temperature during freeze drying is determined. The product is imaged using optical coherence tomography (“oct”).
Physical Sciences, Inc.
03/05/15
20150063398
new patent

Laser light source


A laser light source includes an optical resonator and a first optical filter. The first optical filter is provided outside the optical resonator, and does not constitute an optical resonator structure.
Nec Corporation
03/05/15
20150063396
new patent


A disclosed vertical cavity surface emitting laser device emits light orthogonally in relation to a substrate and includes a resonator structure including an active layer; and semiconductor multilayer reflectors disposed in such a manner as to sandwich the resonator structure between them and including a confinement structure which confines an injected current and transverse modes of oscillation light at the same time. The confinement structure has an oxidized region which surrounds a current passage region.
Ricoh Company, Ltd.
03/05/15
20150063391
new patent

Optical semiconductor device and manufacturing the same


An optical semiconductor device has: a semiconductor structure; a mesa structure including the semiconductor structure, a p-type semiconductor layer formed on a plane portion, a first side face and a second side face of the mesa structure, and a high-resistance semiconductor layer burying the mesa structure and the p-type semiconductor layer. The first side face is inclined toward a principal surface of the substrate more than the second side face.
Sumitomo Electric Device Innovations, Inc.
03/05/15
20150063390
new patent

Self mode-locking semiconductor disk laser


The present invention describes a self mode locking laser and a method for self mode locking a laser. The laser (1) comprises a resonator terminated by first (3) and second (4) mirrors and folded by a third mirror (5).
Solus Technologies Limited
03/05/15
20150063389
new patent

Self mode-locking semiconductor disk laser


The present invention describes a self mode locking laser and a method for self mode locking a laser. The laser (1) comprises a resonator terminated by first (3) and second (4) mirrors and folded by a third mirror (5).
Solus Technologies Limited
03/05/15
20150063379
new patent

Graphene illuminator, and heat dissipating apparatus and optical transmission network node using the graphene illuminator


A graphene illuminator includes two electrodes, an accelerating electric field power supply, and several magnet sets, and further includes a graphene material used for providing free-electrons. The two electrodes are respectively disposed on both sides or at both ends of the graphene material, and meanwhile are both disposed on a plane where the graphene material is disposed; a positive electrode and a negative electrode of the accelerating electric field power supply are respectively connected to the two electrodes, to apply, in a first direction, an accelerating electric field to the graphene material; and the magnet sets are disposed on upper and lower sides of the plane where the graphene material is disposed, to generate a magnetic field perpendicular to the plane where the graphene material is disposed, and south poles and north poles of the magnet sets are arranged alternately to generate an alternating magnetic field in a second direction..
Huawei Technologies Co., Ltd.
03/05/15
20150063378
new patent

Optical bandwidth interleaving


A method of processing an optical input signal comprises transmitting the optical input signal through first and second signal paths, mixing the optical input signal with first and second local oscillator (lo) signals in the respective first and second signal paths to produce first and second electrical signals corresponding to different portions of a frequency spectrum of the optical input signal, and combining the first and second electrical signals to produce a coherent time-domain output signal.. .
Keysight Technologies, Inc.
03/05/15
20150063089
new patent

Six-dimensional optical multilayer storage using two-photon absorption writing, erasing and optical coherence tomography reading


This invention relates a method of six-dimensional optical multilayer storage using two-photon absorption writing, erasing and optical coherence tomography reading and the apparatus designed based on this method. The invented system stores data in three spatial dimensions plus three physical dimensions of wavelength, intensity and polarization.


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