Grating Patents (Class 385/37)
  • Patent number: 10818499
    Abstract: An optical grating component may include a substrate, and an optical grating, the optical grating being disposed on the substrate. The optical grating may include a plurality of angled structures, disposed at a non-zero angle of inclination with respect to a perpendicular to a plane of the substrate, wherein the plurality of angled structures are arranged to define a variable depth along a first direction, the first direction being parallel to the plane of the substrate.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: October 27, 2020
    Assignee: Varian Semiconductor Equipment Associates, Inc.
    Inventors: John Hautala, Morgan Evans, Rutger Meyer Timmerman Thijssen, Joseph C. Olson
  • Patent number: 10795174
    Abstract: Narrow bandpass filters are useful in numerous practical applications including laser systems, imaging, telecommunications, and astronomy. Traditionally implemented with thin-film stacks, there exists alternate means incorporating photonic resonance effects. Accordingly, here we disclose a new approach to bandpass filters that engages the guided-mode resonance effect working in conjunction with a cavity-based Fabry-Pérot resonance to flatten and steepen the pass band. Both of these resonance mechanisms are native to simple resonant bandpass filters placed in a cascade. To support the disclosure, numerical examples provide quantitative spectral characteristics including pass-band shape and sideband levels. Thus, we compare the spectra of single-layer 1D- and 2D-patterned resonant gratings with a dual-grating cascade design incorporating mathematically identical gratings. Dual and triple cascade designs are measured against a classic multi-cavity thin-film filter with 151 layers.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: October 6, 2020
    Inventors: Robert Magnusson, Yeong Hwan Ko
  • Patent number: 10789329
    Abstract: Systems, devices, articles, methods, and techniques for advancing quantum computing by removing unwanted interactions in one or more quantum processor. One approach includes creating an updated plurality of programmable parameters based at least in part on a received value for the characteristic magnetic susceptibility of the qubit in the at least one quantum processor, and returning the updated plurality of programmable parameters. Examples programmable parameters include local biases, and coupling values characterizing the problem Hamilton.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: September 29, 2020
    Assignee: D-WAVE SYSTEMS INC.
    Inventor: Trevor Michael Lanting
  • Patent number: 10775303
    Abstract: A biological signal analyzing device configured to generate a first detection image or a second detection image is provided. The biological signal analyzing device includes a light-incident surface, a light-emitting surface and a plurality of optical-resonance structures. The sample is placed near the light incident surface, and receives a first light through the sample. The light resonance structures are configured to process the first light and generate a second and third light. The second light emits from the light emitting surface, and adapted to form the first detection image corresponding to the sample, and the third light emits from the light incident surface, and adapted to form the second detection image corresponding to the sample. The optical resonance structures vary their thickness along the first direction or vary the width along the second direction. A biological sensing apparatus, a sensing method and a fabrication method are also provided.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: September 15, 2020
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Cheng-Sheng Huang, Chan-Te Hsiung, Yen-Chieh Wang
  • Patent number: 10775237
    Abstract: Disclosed is a resonant wavelength measurement apparatus, including a light source and a measurement unit. The measurement unit has a guided-mode resonance filter and a photosensitive element. The guided-mode resonance filter has a plurality of resonant areas, and each resonant area has a different filtering characteristic, to receive first light in the light source transmitted by a sensor or receive second light in the light source reflected by the sensor. The first light has a first corresponding pixel on the photosensitive element, the second light has a second corresponding pixel on the photosensitive element, and the first corresponding pixel and the second corresponding pixel correspond to a same resonant wavelength.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: September 15, 2020
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Cheng-Sheng Huang, Chih-Wei Chang, Shi-Ting Chen
  • Patent number: 10768361
    Abstract: A monitoring system monitors changes in an index of refraction of the grating over a time interval that includes the period of time. The monitoring system includes a light source assembly, a probing assembly, a power meter (e.g., a diffraction and/or a transmittance power meter), and a controller. The light source assembly emits a probe beam. The scanning assembly scans the probe beam over an area of the grating. The power meter measures power of a portion of the probe beam that interacts (e.g., is transmitted by or diffracted from) with the area of the grating. The controller determines changes in grating parameters (may be as a function of time) for the grating being formed based in part on measured power readings over the time interval.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: September 8, 2020
    Assignee: Facebook Technologies, LLC
    Inventors: Matthieu Charles Raoul Leibovici, Kavous Jorabchi, Austin Lane
  • Patent number: 10761261
    Abstract: A clamping device (300) for a light guide (112) is provided. The clamping device (300) includes a carrier structure having a first securing element (301) for securing the light guide (112) in a first position (401), and a second securing element (302) at a distance from the first securing element (301) for securing the light guide (112) in a second position (402), wherein the first and second positions (401, 402) have a first distance (403) in a longitudinal extension of the light guide (112). Further, an intermediate carrier (500) having a first surface (503) on which the first and second securing elements (301, 302) are attached in respective securing positions (501, 502), and an opposing second surface (504), which can be applied to a measurement object, is provided. Hereby, a second distance (505) of the securing positions (501, 502) of the securing elements (301, 302) on the intermediate carrier (500) is greater than the first distance (403) in a longitudinal direction of the light guide (112).
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: September 1, 2020
    Assignee: fos4X GmbH
    Inventors: Mathias Müller, Fabian Zelenka
  • Patent number: 10753908
    Abstract: Provided herein is a resonator for force detection. The resonator comprises a stack of: a cavity containing a cavity medium having a first refractive index; a first diffraction grating having a grating period; and a first covering medium having a second refractive index. Once a resonating condition is satisfied, the cavity allows a plurality of propagating modes for the beam in the cavity and only one propagating mode for the beam outside the cavity. The plurality of propagating modes in the cavity resonates to generate different resonance peaks corresponding different sensitivity levels. By working in different regimes, the resonator is able to provide high sensitivity and large dynamic range for force detection.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: August 25, 2020
    Assignee: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventor: Michael Somekh
  • Patent number: 10738987
    Abstract: A light emitting device includes a semiconductor light emitting element to emit an excitation light, a wavelength converting member to emit fluorescent light upon being irradiated with the excitation light, a package supporting the semiconductor light emitting element and the wavelength converting member, and a first photodetector configured to detect the excitation light and a second photodetector to detect the fluorescent light, located in the package.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: August 11, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Wataru Kuribayashi, Takashi Miyoshi, Naoto Morizumi
  • Patent number: 10732483
    Abstract: A photonic radiator device forming a photonic phased array antenna includes a light waveguide including a waveguide clad and a waveguide core using a semiconductor material, and a grating periodically formed an upper or lower part of the light waveguide. The photonic radiator device receives an input light wave in a direction of the grating and the light waveguide and radiates an output light wave to a space by using scattering from the grating.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: August 4, 2020
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyo Hoon Park, Jong Hun Kim, Sun Kyu Han, Ji Hwan Park
  • Patent number: 10718906
    Abstract: Embodiments of the present disclosure are directed toward techniques and configurations for an optical device having a multiplexer and/or demultiplexer with an input and/or output optical waveguide including one or more waveguide segments tapered according to a non-linear function such as a curve. In embodiments, the one or more waveguide segments is tapered according to, e.g., a quadratic function, a parabolic function, or an exponential function. In accordance with some embodiments, the tapered segment assists in spatially dispersing the propagating light along a substantially uniform phase wavefront at a mirror that includes an echelle grating surface that is shaped to receive/reflect the light at the substantially uniform phase wavefront. In embodiments, the one or more waveguide segments is tapered according to a curve to receive a portion of light from the substantially uniform phase wavefront at the echelle grating surface. Additional embodiments may be described and claimed.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: July 21, 2020
    Assignee: Intel Corporation
    Inventor: Wenhua Lin
  • Patent number: 10719775
    Abstract: Described herein are structures and techniques for highly-connected qubit interaction using a “paramagnetic tree coupling” scheme. In one embodiment, a structure for providing highly-connected qubit interaction includes a plurality of qubits and, for each of the plurality of qubits, a paramagnetic medium connecting the qubit to each other one of the plurality of qubits, where the paramagnetic medium includes a series of inductive couplers.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: July 21, 2020
    Assignee: Massachusetts Institute of Technology
    Inventor: Andrew J. Kerman
  • Patent number: 10684145
    Abstract: A sensor patch (110) is provided that includes a light guide (112) having a sensor element (111). Further, the sensor patch (110) includes a carrier structure having a first fastening element (301) for fastening the light guide (112) at a first position (401), and a second fastening element (302) that is spaced apart from the first fastening element (302) for fastening the light guide at a second position (402), wherein the sensor element (111) is arranged between the first position (401) and the second position (402), an intermediate carrier (500) having a first surface (503), on which the first and second fastening elements (301, 302) are mounted at respective fastening positions (501 502), and an opposing second surface (504) that can be mounted on a measurement object, and a covering element (303) arranged on the intermediate carrier (500) and connected thereto.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: June 16, 2020
    Assignee: FOS4X GMBH
    Inventors: Mathias Müller, Fabian Zelenka
  • Patent number: 10663734
    Abstract: A wearable image display system includes a headpiece, a first and a second light engine, and a first and a second optical component. The first and second light engines generate a first and a second set of beams respectively, each beam substantially collimated so that the first and second set form a first and a second virtual image respectively. Each optical component is located to project an image onto a first and a second eye of a wearer respectively. The first and second sets of beams are directed to incoupling structures of the first and second optical components respectively. Exit structures of the first and second optical components guide the first and second sets of beams onto the first and second eyes respectively. The optical components are located between the light engines and the eyes. Both of the light engines are mounted to a central portion of the headpiece.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: May 26, 2020
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Tapani Levola, Pasi Saarikko, Steven John Robbins, Yarn Chee Poon, Lena Adele Wolfe, Erica Lee Towle
  • Patent number: 10655947
    Abstract: The present disclosure provides a thickness measuring method and device. The thickness measuring method is used for measuring a thickness of a layer to be measured of a light-transmitting sample to be measured and comprising the steps of: placing the sample to be measured between an optical device and a metal layer, the optical device comprising a light incident surface and a light exit surface; adjusting incident light emitted to the light incident surface of the optical device so that an intensity of light exiting the light exit surface of the optical device is less than 10?12 W/m2, so as to obtain optical parameters of the incident light; and calculating a thickness of the layer to be measured according to the optical parameters of the incident light.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: May 19, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuefei Sun, Chienhung Liu, Zhengliang Li, Bin Zhang
  • Patent number: 10641966
    Abstract: A free space coupling system comprising a waveguide horizontally positioned on an integrated circuit, and a silicon housing coupled to the waveguide, wherein the silicon housing comprises a reflective surface, a first port, wherein the first port is configured to receive light from an optic source positioned substantially parallel to the waveguide at a coupling point, and a second port, wherein the second port is oriented at about ninety degrees with respect to the first port, and wherein the second port is aligned with a grating port on the waveguide.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: May 5, 2020
    Assignee: Futurewei Technologies, Inc.
    Inventors: Rongsheng Miao, Zongrong Liu, Qianfan Xu, Xiao Shen
  • Patent number: 10642125
    Abstract: Structures providing optical beam steering and methods of fabricating such structures. A first grating coupler has a first plurality of grating structures spaced with a first pitch along a first axis. A second grating coupler has a second plurality of grating structures spaced with a second pitch along a second axis. An optical switch is coupled to the first grating coupler and to the second grating coupler. The optical switch is configured to select between the first grating coupler and the second grating coupler for optical signal routing. The second axis of the second grating coupler is aligned nonparallel to the first axis of the first grating coupler.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: May 5, 2020
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: John J. Ellis-Monaghan, Steven M. Shank, Vibhor Jain, Anthony K. Stamper, John J. Pekarik
  • Patent number: 10620445
    Abstract: An optical wavelength dispersion device and manufacturing method therefor are disclosed, which the optical wavelength dispersion device includes a waveguide unit and a reflector, wherein the waveguide unit has a first substrate, an input unit, a grating and a second substrate. The input unit is formed on the first substrate and having a slit for receiving an optical signal, a grating is formed on the first substrate for producing an output beam once the optical signal is dispersed, the second substrate is located on the input unit and the grating, and forms a waveguide space with the first substrate, the reflector is located outside of the waveguide unit, and is used for change emitting angle of the output beam.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: April 14, 2020
    Inventor: Cheng-Hao Ko
  • Patent number: 10613259
    Abstract: An optical wavelength dispersion device is disclosed, which includes a waveguide unit and an adjustable reflecting unit, wherein the waveguide unit has a first substrate, an input unit, a grating, a reflector and a second substrate. The input unit is formed on the first substrate and having a slit for receiving an optical signal, a grating is formed on the first substrate for producing an output beam once the optical signal is dispersed, the reflector is formed on the first substrate for reflecting the output beam, the second substrate is located on the input unit, the grating and the reflector, and forms a waveguide space with the first substrate; the adjustable reflecting unit is located outside of the waveguide unit, and is used for changing emitting angle and adjusting focus of the output beam.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: April 7, 2020
    Inventor: Cheng-Hao Ko
  • Patent number: 10585219
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to grating couplers with multiple configurations and methods of manufacture. A grating coupler structure includes: a polysilicon material with a first grating coupling pattern; a SiN material with second grating coupling pattern; a dielectric material covering the polysilicon material and the SiN material; and a back end of line (BEOL) multilayer stack over the dielectric material.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: March 10, 2020
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Ajey Poovannummoottil Jacob, Yusheng Bian
  • Patent number: 10564412
    Abstract: A fluorescence measurement system comprising a broadband light source and acousto-optical tunable filter (AOTF) controlled by a control unit using an acoustic RF signal provided by a Voltage Controlled Oscillator (VCO).
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: February 18, 2020
    Assignee: NKT PHOTONICS A/S
    Inventors: Frederik D. Nielsen, Carsten L. Thomsen, Weidong Sheng, Erik B. Thomsen
  • Patent number: 10564362
    Abstract: Embodiments described herein relate to a light coupler, a photonic integrated circuit, and a method for manufacturing a light coupler. The light coupler is for optically coupling to an integrated waveguide and for out-coupling a light signal propagating in the integrated waveguide into free space. The light coupler includes a plurality of microstructures. The plurality of microstructures is adapted in shape and position to compensate decay of the light signal when propagating in the light coupler. The plurality of microstructures is also adapted in shape and position to provide a power distribution of the light signal when coupled into free space such that the power distribution corresponds to a predetermined target power distribution. Each of the microstructures forms an optical scattering center. The microstructures are positioned on the light coupler in accordance with a non-uniform number density distribution.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: February 18, 2020
    Assignee: IMEC VZW
    Inventors: Xavier Rottenberg, Tom Claes, Dries Vercruysse
  • Patent number: 10551318
    Abstract: A scanning sensor system, methods of use and kits for detecting a biologically active analyte are provided. The scanning senor system includes a light source, a detector, a substrate comprising a plurality of waveguides and a plurality of optical sensing sites in optical communication with one or more waveguide of the substrate, and at least one adapter configured to couple with the substrate and provide optical communication between the light source, the waveguides of the substrate, and the detector.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: February 4, 2020
    Assignee: LDIP, LLC
    Inventor: Reuven Duer
  • Patent number: 10554013
    Abstract: A semiconductor laser apparatus includes a semiconductor optical integrated device including a semiconductor laser array including a plurality of semiconductor laser elements, a semiconductor arrayed waveguide grating, made of a semiconductor, including an inputting slab waveguide connected to the plurality of the semiconductor laser elements, an array waveguide connected to the inputting slab waveguide and including a plurality of waveguides having different lengths from each other and arranged in a parallel manner, and an outputting slab waveguide connected to the array waveguide; a substrate on which the semiconductor laser array and the semiconductor arrayed waveguide grating are monolithically integrated; and an output facet outputting a laser light emitted from the semiconductor laser elements and including an output end of the outputting slab waveguide.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: February 4, 2020
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Tatsuro Kurobe, Toshihito Suzuki, Kazuaki Kiyota
  • Patent number: 10528887
    Abstract: A device includes: a first qubit including a first co-planar waveguide; a second qubit including a second co-planar waveguide, in which the second co-planar waveguide crosses the first co-planar waveguide; and a qubit coupler including a loop having a first lobe and a second lobe, in which a first portion of the first lobe extends parallel to the first co-planar waveguide, a second portion of the first lobe extends parallel to the second co-planar waveguide, a first portion of the second lobe extends parallel to the first co-planar waveguide, and a second portion of the second lobe extends parallel to the second co-planar waveguide.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: January 7, 2020
    Assignee: Google LLC
    Inventors: Yu Chen, Dvir Kafri
  • Patent number: 10509170
    Abstract: Methods and systems for grating couplers incorporating perturbed waveguides are disclosed and may include in a semiconductor photonics die, communicating optical signals into and/or out of the die utilizing a grating coupler on the die, where the grating coupler comprises perturbed waveguides. The perturbed waveguides may include rows of continuous waveguides with scatterers extending throughout a length of the perturbed waveguides a variable width along their length. The grating coupler may comprise a single polarization grating coupler comprising perturbed waveguides and a non-perturbed grating. The grating coupler may comprise a polarization splitting grating coupler (PSGC) that includes two sets of perturbed waveguides at a non-zero angle, or a plurality of non-linear rows of discrete shapes. The PSGC may comprise discrete scatterers at an intersection of the sets of perturbed waveguides. The grating coupler may comprise individual scatterers between the perturbed waveguides.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: December 17, 2019
    Assignee: Luxtera, Inc.
    Inventors: Lieven Verslegers, Attila Mekis
  • Patent number: 10488918
    Abstract: The disclosure describes systems and methods of analyzing interactions with a user interface for an application, where the user interface is implemented at least partly within a virtual reality environment. Certain embodiments provide for receiving interactions that include gestures, spatial contexts, and applications contexts, and receiving results from the application, such as application behavior or error conditions. The user interface interactions and the application results are analyzed. Events, metrics, and relationships are determined based on the analysis. In some cases, additional data (such as historical interactions and results, system environment data, or system configuration data) are received and analyzed, and the determined relationships are further based on the additional data.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: November 26, 2019
    Assignee: Adobe Inc.
    Inventors: Kevin Smith, William Brandon George
  • Patent number: 10481317
    Abstract: A method of manufacturing a waveguide having a combination of a binary grating structure and a blazed grating structure includes cutting a substrate off-axis, depositing a first layer on the substrate, and depositing a resist layer on the first layer. The resist layer includes a pattern. The method also includes etching the first layer in the pattern using the resist layer as a mask. The pattern includes a first region and a second region. The method further includes creating the binary grating structure in the substrate in the second region and creating the blazed grating structure in the substrate in the first region.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: November 19, 2019
    Assignee: Magic Leap, Inc.
    Inventors: Christophe Peroz, Mauro Melli, Vikramjit Singh, David Jurbergs, Jeffrey Dean Schmulen, Zongxing Wang, Shuqiang Yang, Frank Y. Xu, Kang Luo, Marlon Edward Menezes, Michael Nevin Miller
  • Patent number: 10473861
    Abstract: A structure for coupling an optical signal between an integrated circuit photonic structure and an external optical fiber is disclosed as in a method of formation. The coupling structure is sloped relative to a horizontal surface of the photonic structure such that light entering or leaving the photonic structure is substantially normal to its upper surface.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: November 12, 2019
    Assignee: Micron Technology, Inc.
    Inventor: Harel Frish
  • Patent number: 10462437
    Abstract: Projection displays include a highlight projector and a main projector. Highlights projected by the highlight projector boost luminance in highlight areas of a base image projected by the main projector. Various highlight projectors including steerable beams, holographic projectors and spatial light modulators are described.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: October 29, 2019
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Gerwin Damberg, Martin J. Richards, Craig Todd
  • Patent number: 10444159
    Abstract: A according to one embodiment, an optical measurement system has an optical waveguide sensor chip mounted thereon, the optical waveguide sensor chip has a space defined by a plurality of surfaces including a first surface along which an optical waveguide part is provided. The optical measurement system includes a holding surface, a light transceiver, and a contact sensor. The holding surface holds the bottom surface of the optical waveguide sensor chip. The light transceiver lets light be incident on the optical waveguide sensor chip through a first window in the holding surface, and receives light that has passed through the first surface via the optical waveguide part from a second window in the holding surface. The contact sensor detects contact state in two or more detection positions located along an array direction of the first window and the second window.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: October 15, 2019
    Assignee: Canon Medical Systems Corporation
    Inventors: Tomohiro Takase, Isao Nawata, Motoji Haragashira, Shoichi Kanayama
  • Patent number: 10439721
    Abstract: An optical interconnect system has a transmitter and a receiver connected by a single mode fiber. An array of DML lasers in the transmitter emits multiple wavelengths which are multiplexed to the single mode fiber with an array waveguide grating (AWG) device. The receiver demultiplexes the different wavelengths by an AWG polymer waveguide fabricated in a trench on the silicon surface. The AWG demultiplexer includes a high-NA polymer waveguide which has an end reflector approximately formed at 45 degrees for reflecting light from AWG into multiple photodetectors assembled outside the trench. Optionally, a number of through-silicon-vias (TSVs) allow electrical connection access to the lasers and the driver circuit from the backside of the silicon substrate by external power sources.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: October 8, 2019
    Assignee: ADOLITE INC.
    Inventors: Abraham Jou, Paul Mao-Jen Wu
  • Patent number: 10429291
    Abstract: Disclosed is a system and method for characterizing optical filters in a flow cytometer and optionally checking the operation of detectors in the flow cytometer. In some embodiments, the system may utilize an LED board having an opening through which the fluorescence and side scatter beams, rays, or images pass and light emitting diodes around the opening that emit light having different spectral profiles. The different spectral profiles allow the system to identify the optical filters that are placed in the flow cytometer, to verify detector operation, to assist in instrumentation troubleshooting, and to provide a quantitative reference for detector comparison.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: October 1, 2019
    Assignee: Bio-Rad Laboratories, Inc.
    Inventors: Daniel Nelson Fox, Susan Hunter
  • Patent number: 10429597
    Abstract: Interposer assemblies and arrangements for coupling at least one optical fiber to at least one optoelectronic device are disclosed. Interposer assemblies comprise an interposer including at least one optical waveguide comprising a first end and a second end, and a substrate comprising the at least one optoelectronic device, at least one optical receiving/emitting element and at least one optical channel. The interposer and the substrate are in optical communication so that light coupled out of the at least one optical waveguide is coupled in the at least one optical receiving/emitting element and/or light coupled out of the at least one optical receiving/emitting element is coupled in the at least one optical waveguide of the interposer.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: October 1, 2019
    Assignee: Corning Optical Communications LLC
    Inventors: Eric Stephan ten Have, Andrey Kobyakov
  • Patent number: 10429557
    Abstract: A multi-band pass filter may include a filter layer including a plurality of different epsilon-near-zero (ENZ) material layers that are sequentially arranged; and an aperture-defining layer that is disposed on the filter layer and comprises at least one aperture. The filter layer may be exposed to incident light through the at least one aperture, and may be configured to pass a plurality of wavelength regions of the incident light.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: October 1, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jisoo Kyoung
  • Patent number: 10408644
    Abstract: An optical fiber temperature sensor includes: a substrate having a first substrate main body, and a second substrate main body, which has a coefficient of thermal expansion larger than that of the first substrate main body, and is bonded to the first substrate main body; and an optical fiber having a FBG sensor portion for measuring a temperature from a relationship between a Bragg wavelength and the temperature, and the optical fiber is configured to be embedded in the second substrate main body so that the FBG sensor portion is positioned in the second substrate main body.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: September 10, 2019
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Masahiro Miyashita, Kazushi Sekine
  • Patent number: 10412378
    Abstract: A resonating optical waveguide that increases image intensity and uniformity is provided. The waveguide includes a first diffractive optical element that allows light from an exit pupil of a projector to enter the waveguide and travel in a first direction, and a second diffractive optical element that directs some of the entered light to exit the waveguide to form an expanded pupil. Rather than allow the remaining, non-directed, light to exit at an edge of the waveguide, the optical waveguide further includes a third diffractive optical element that redirects some the remaining light back through the second diffractive optical element in a second direction where it may exit the waveguide as part of the expanded pupil. An additional fourth diffractive optical element may be included to further redirect the light through the second diffractive optical element again.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: September 10, 2019
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Joseph Daniel Lowney, Richard Andrew Wall
  • Patent number: 10404031
    Abstract: An optical fiber combiner comprising a coupling device having an input surface area, and you Ain, and an output surface area, Aout, wherein the input surface area Ain is greater than the output surface area Aout, and a plurality of optical fibers each having an input surface and an output surface, wherein the output surfaces of the plurality of optical fibers are coupled to the coupling device, wherein the coupling device combines optical power emitted by the plurality of optical fibers.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: September 3, 2019
    Assignee: nLIGHT, Inc.
    Inventor: Manoj Kanskar
  • Patent number: 10371910
    Abstract: An optical core made from at least on topological insulator microfiber. A cryogenic cooling layer surrounds the optical core. An insulative layer surrounds the cryogenic cooling layer. In one embodiment, the insulative layer comprises a layer of photonic crystal material.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: August 6, 2019
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Timothy Innes, David Spivey, Jr., Kevin Igoe
  • Patent number: 10359650
    Abstract: A method is provided. The method comprises: injecting an optical carrier signal into an unbent optical waveguide between two reflectors, where the distance between two reflectors in the center of the two reflectors is substantially zero and the two reflectors undergo substantially a ? phase shift where the two reflectors are adjacent; creating standing waves between the two reflectors in the center, and a single resonance due to constructive interference; applying a varying electric field across the unbent optical waveguide centered between two reflectors and extending a length less than or equal to a combined length of the two reflectors; and generating a modulated carrier signal at at least one of an input and an output of the unbent optical waveguide between the two reflectors.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: July 23, 2019
    Assignee: Honeywell International Inc.
    Inventors: Matthew Wade Puckett, Neil Krueger
  • Patent number: 10330863
    Abstract: Planar waveguide junctions are described with a waggled transition section connecting input waveguide sections with output waveguides sections, in which the waggled transitions have alternating segments matching the input waveguide and output waveguides to efficiently transition the optical signal. The planar waveguide junctions can be used to form efficient optical splitters, mixers, or taps.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: June 25, 2019
    Assignee: NeoPhotonics Corporation
    Inventors: Anthony J. Ticknor, Brian R. West
  • Patent number: 10317584
    Abstract: A grating coupler and a preparation method thereof are provided. The grating coupler includes a substrate layer, a lower confining layer, a waveguide core layer, and an upper confining layer that are sequentially arranged. The waveguide core layer includes a submicron waveguide, a first tapered waveguide, and a waveguide array. The waveguide array includes at least two waveguide groups, the waveguide group includes at least one waveguide chain, the waveguide chain includes at least two waveguides that have different widths, and the waveguides in the waveguide chain are connected to each other. An end of the waveguide chain in the waveguide array is connected to a wide end of the first tapered waveguide, and a narrow end of the first tapered waveguide is connected to the submicron waveguide.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: June 11, 2019
    Assignee: HUAWEI TECHNOLOGIES, CO., LTD.
    Inventors: Ming Li, Xin Tu, Hongyan Fu
  • Patent number: 10320150
    Abstract: An optical semiconductor apparatus includes: semiconductor laser devices having different emission wavelengths and grouped into at least a first group and a second group; and an arrayed waveguide grating connected to the semiconductor laser devices of the first and second groups and configured to combine laser light beams radiating from the semiconductor laser devices into a same point. The arrayed waveguide grating is configured to combine laser light beams from the semiconductor laser devices belonging to the first group into the same point by diffraction in a first diffraction order in the arrayed waveguide grating, and combine laser light beams from the semiconductor laser devices belonging to the second group into the same point by diffraction in a second diffraction order different from the first diffraction order, in the arrayed waveguide grating.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: June 11, 2019
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Toshihito Suzuki, Kazuaki Kiyota, Tatsuro Kurobe
  • Patent number: 10302585
    Abstract: An optical module includes first and second transparent substrates and a spacer between the first and second transparent substrates, holding the first transparent substrate in proximity to the second transparent substrate, with first and second diffractive optical elements (DOEs) on respective faces of the first and second transparent substrates. At least first and second capacitance electrodes are disposed respectively on the first and second transparent substrates in proximity to the first and second DOEs. Circuitry is coupled to measure changes in a capacitance between at least the first and second capacitance electrodes.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: May 28, 2019
    Assignee: APPLE INC.
    Inventors: Hannah D. Noble, Kevin A. Sawyer, Martin B. Adamcyk, Yazan Z. Alnahhas, Yu Qiao Qu, Moshe Kriman, Adar Magen
  • Patent number: 10274682
    Abstract: A system for providing optical connections that may include an optical grating structure and an optical waveguide coupled to the optical grating structure. The optical grating structure may be configured to receive an optical wave, through an interposer, from an optical source. The optical grating structure may be configured to transform the optical wave into a predetermined electromagnetic propagation mode.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: April 30, 2019
    Assignee: Ciena Corporation
    Inventors: Michael Y. Frankel, John P. Mateosky, Vladimir Pelekhaty
  • Patent number: 10261245
    Abstract: A microstructured optical fiber comprises a doped core region embedded in a cladding layer, and a plurality of longitudinal tubes, wherein a radial cross-section of the optical fiber comprises a central hexagonal portion comprising a plurality of holes arranged according to a hexagonal grid surrounding a core section. Each hole corresponds to a respective tube, within a hexagonal boundary of the grid, and the plurality of holes comprises holes of first and second types arranged in a biaxial mirror-symmetric configuration. The holes of the first type are arranged in two side holey structures comprising distinct sub-grids of the hexagonal grid, defined by respective outer boundaries corresponding to portions of the hexagonal boundary of the grid and respective inner boundaries. Outer tangential lines to the respective inner boundaries cross each other at the opposed side of the core with respect to the side of the respective side holey structure.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: April 16, 2019
    Assignee: VRIJE UNIVERSITEIT BRUSSEL
    Inventors: Sanne Sulejmani, Thomas Geernaert, Francis Berghmans, Hugo Thienpont
  • Patent number: 10261223
    Abstract: Exemplary method and system for providing a diffractive configuration in an optical arrangement are provided. For example, a material can be provided with at least one patterned surface having a very high aspect ratio. The material can be connected with at least one portion of a waveguide arrangement using a pre-polymer adhesive composition. Further, the pre-polymer adhesive composition can be caused to polymerize so as to form the diffractive configuration which at least approximately replicates a structure or at least one feature of the patterned surface.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: April 16, 2019
    Assignees: Canon USA, Inc., The General Hospital Corporation
    Inventors: Guillermo J Tearney, Dongkyun Kang, Mitsuhiro Ikuta, George M. Whitesides, Ramses V. Martinez
  • Patent number: 10254536
    Abstract: A display subsystem for a virtual image generation system. The display subsystem comprises a planar waveguide apparatus, and an optical fiber having a distal tip affixed relative to the planar waveguide apparatus, and an aperture proximal to the distal tip. The display subsystem further comprises at least one light source coupled the optical fiber and configured for emitting light from the aperture of the optical fiber, and a mechanical drive assembly to which the optical fiber is mounted to the drive assembly. The mechanical drive assembly is configured for displacing the aperture of the optical fiber in accordance with a scan pattern. The display subsystem further comprises an optical waveguide input apparatus configured for directing the light from the aperture of the optical fiber down the planar waveguide apparatus, such that the planar waveguide apparatus displays one or more image frames to the end user.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: April 9, 2019
    Assignee: MAGIC LEAP, INC.
    Inventors: Ivan L. Yeoh, Lionel Ernest Edwin, Aaron Mark Schuelke
  • Patent number: 10255557
    Abstract: Systems and methods are provided for coupling two flux qubits. A quantum circuit assembly includes a first flux qubit, having at least two potential energy minima, and a second flux qubit, having at least two potential energy minima. A system formed by the first and second qubits has at least four potential energy minima prior to coupling, each of the four potential energy minima containing at least one eigenstate of a system comprising the first flux qubit and the second flux qubit. A coupler creates a first tunneling path between a first potential energy minimum of the system and a second potential energy minimum of the system, and a second tunneling path between a third potential energy minimum of the system and a fourth potential energy minimum of the system. The coupler creates the first and second tunneling paths between potential energy minima representing states of equal bit parity.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: April 9, 2019
    Assignee: NORTHROP GRUMMAN SYSTEMS CORPORATION
    Inventors: Ryan J. Epstein, David George Ferguson
  • Patent number: 10228565
    Abstract: A waveguide display presents media to users. The waveguide assembly includes a light source, a source waveguide, an output waveguide, an actuator assembly, and a controller. The light source emits image light based on scanning instructions from the controller. The source waveguide receives the emitted image light, expands the image light in at least one dimension, and outputs an expanded image light to the output waveguide at an input area. The output waveguide outputs the expanded image light from a portion of an output area. The actuator assembly adjusts a first curvature of the source waveguide with a first set of actuators and adjusts a second curvature of the output waveguide with a second set of actuators, where the first curvature is orthogonal to the first curvature.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: March 12, 2019
    Assignee: Facebook Technologies, LLC
    Inventor: Pasi Saarikko