Patents Examined by Michelle R. Connelly
  • Patent number: 10310201
    Abstract: A system includes an optical fiber situated to propagate a laser beam received from a laser source to an output of the optical fiber, a first cladding light stripper optically coupled to the optical fiber and situated to extract at least a portion of forward-propagating cladding light in the optical fiber, and a second cladding light stripper optically coupled to the optical fiber between the first cladding light stripper and the optical fiber output and situated to extract at least a portion of backward-propagating cladding light in the optical fiber.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: June 4, 2019
    Assignee: nLIGHT, Inc.
    Inventor: Dahv A. V. Kliner
  • Patent number: 10312661
    Abstract: A composite semiconductor laser is made by securing a III-V wafer to a transfer wafer. A substrate of the III-V wafer is removed, and the III-V wafer is etched into a plurality of chips while the III-V wafer is secured to the transfer wafer. The transfer wafer is singulated. A portion of the transfer wafer is used as a handle for bonding the chip in a recess of a silicon device. The chip is used as a gain medium for the semiconductor laser.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: June 4, 2019
    Assignee: Skorpios Technologies, Inc.
    Inventor: Damien Lambert
  • Patent number: 10304589
    Abstract: A downhole cable that has a cable core with an inner jacket located about it. The inner jacket has a shell located thereabout, and a pair of strength member layers surrounds the inner shell. Interstitial spaces of the strength member layers are filled with bonding layers. One of the strength member layers is at a contra-helical lay angle to the other. An outer jacket is located about one of the strength member layers, and the outer jacket is bonded with the bonding layers.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: May 28, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Joseph Varkey, Sheng Chang, Burcu Unal Altintas, Willem Wijnberg, Qingdi Huang
  • Patent number: 10295283
    Abstract: Generally discussed herein are devices and methods for thermal management of a component. An apparatus can include a phase change material substantially at a phase transition temperature of the phase change material, a component near, on, or at least partially in the phase change material, and a heat removal device to transfer heat energy away from the phase change material and maintain the phase change material substantially at the phase transition temperature.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: May 21, 2019
    Assignee: Intel Corporation
    Inventors: Michael K. Patterson, Andrew C. Alduino
  • Patent number: 10295750
    Abstract: Techniques for forming a facet optical coupler that includes a waveguide formed over a trench of a silicon substrate are described. The trench is formed in a silicon substrate and then filled with a dielectric material. The waveguide is patterned on the dielectric material over the trench such that the waveguide is disposed a distance from the first surface. A first end of the waveguide has a first size and a second end of the waveguide distal the first end has a second size different than the first size. A material of the waveguide and the first size define a mode size of the waveguide.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: May 21, 2019
    Assignee: Acacia Communications, Inc.
    Inventor: Long Chen
  • Patent number: 10295736
    Abstract: A multicore fiber includes a plurality of cores including a first core and a cladding surrounding the plurality of cores. The first core includes: an inner core; and an outer core surrounding the inner core with no gap and having a refractive index higher than a refractive index of the inner core and a refractive index of the cladding. The core is not doped with any rare earth element. At least two LP mode light beams at a predetermined wavelength propagate through the first core at an attenuation of 0.3 dB/km or less.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: May 21, 2019
    Assignee: FUJIKURA LTD.
    Inventors: Yoshimichi Amma, Katsuhiro Takenaga, Shota Saito
  • Patent number: 10295845
    Abstract: Disclosed herein are methods, apparatus, and systems for providing an optical beam delivery system, comprising an optical fiber including a first length of fiber comprising a first RIP formed to enable, at least in part, modification of one or more beam characteristics of an optical beam by a perturbation assembly arranged to modify the one or more beam characteristics, the perturbation assembly coupled to the first length of fiber or integral with the first length of fiber, or a combination thereof and a second length of fiber coupled to the first length of fiber and having a second RIP formed to preserve at least a portion of the one or more beam characteristics of the optical beam modified by the perturbation assembly within one or more first confinement regions.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: May 21, 2019
    Assignee: nLIGHT, Inc.
    Inventors: Dahv A. V. Kliner, Roger Farrow
  • Patent number: 10295744
    Abstract: A coherent optical mixer circuit is provided that can measure a phase error without requiring a step of cutting away a delay circuit. Odd-numbered or even-numbered two of four inputs of an 4-input-and-4-output multimode interference circuit are connected to an input mechanism. The four outputs of the multimode interference circuit are all connected to an output mechanism to the exterior. Other two inputs of the multimode interference circuit are connected to two monitor waveguides. One of the monitor waveguide is longer than the other to configure a light delay circuit. The monitor waveguides constituting the light delay circuit are connected to the respective outputs of a 2-branched light splitter. The 2-branched light splitter has an input connected to a monitor light input mechanism from the exterior via a monitor input waveguide.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: May 21, 2019
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Shin Kamei, Makoto Jizodo, Hiroshi Fukuda, Kiyofumi Kikuchi, Ken Tsuzuki
  • Patent number: 10288824
    Abstract: An optical transceiver, pluggable into a cage, includes a case, a fastening component, and a driving component. The case defines a supporting surface. The fastening component is movably disposed in the case to be at either a fastening position or a releasing position. The fastening component defines a pressed slope, and the pressed slope defines a first end and a second end connected to each other. A vertical distance between the first end and the supporting surface is different from a vertical distance between the second end and the supporting surface. The driving component is disposed in the case. The driving component is movable relative to the fastening component along a pressing direction to press the pressed slope. The fastening component is movable to the releasing position by interaction between the fastening component and the driving component.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: May 14, 2019
    Assignee: Prime World International Holdings Ltd.
    Inventor: Huan-Yu Lin
  • Patent number: 10288802
    Abstract: A heat-dissipation package for use with an optical fiber includes a base, a cover, and a hollow sleeve. The base includes an upper surface, a lower surface, and a groove embedded in the upper surface, the groove having a generally U-shaped cross-sectional shape. The cover is positioned on the upper surface of the base. The sleeve includes a cylindrical inner surface and an outer surface with a first portion which has a generally U-shaped cross section and a second portion which has a generally planar cross section such that edges of the planar cross section contact an open end of the U-shaped cross section. The first portion of the outer surface of the sleeve is positioned in the groove and the second portion of the outer surface of the sleeve is in contact with the cover. The sleeve is configured to encapsulate a heat-generating section of the optical fiber.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: May 14, 2019
    Assignee: Teraxion
    Inventors: Ghislain Bilodeau, Dominic Faucher, Mathieu Faucher, Francois Seguin
  • Patent number: 10277330
    Abstract: A fiber optic-based communications network includes: a power insertion device, connected to multiple fiber links from a data source, configured to provide power insertion to a hybrid fiber/power cable connected to at least one fiber link of the multiple fiber links; the hybrid fiber/power cable, connecting the power insertion device to a connection interface device, configured to transmit data and power from the power insertion device to the connection interface device; and the connection interface device, configured to provide an interface for connection to an end device via a power over Ethernet (PoE)-compatible connection and to provide optical to electrical media conversion for data transmitted from the power insertion device to an end device via the hybrid fiber/power cable and the PoE-compatible connection.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: April 30, 2019
    Assignee: Radius Universal LLC
    Inventor: Donald Lee Sipes, Jr.
  • Patent number: 10277329
    Abstract: A power insertion device includes: an input interface, configured for receiving a fiber connection from a fiber network; an output interface, comprising one or more hybrid cables for connection to one or more end devices, each of the hybrid cables including fiber for data communication and wire for power transmission; a mains power interface, configured to receive alternating current (AC) mains power; one or more power supplies, configured to convert the AC mains power to direct current (DC) power; and a power insertion board, configured to provide power insertion of the DC power out through the one or more hybrid cables.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: April 30, 2019
    Assignee: Radius Universal LLC
    Inventors: Donald Lee Sipes, Jr., John David Read
  • Patent number: 10274757
    Abstract: An electro-optic device includes a first semiconductor layer including the rib-type waveguide, which includes a rib part and a first slab part, which extends in a first direction from the rib part; a dielectric layer, which is formed on the rib part; a second semiconductor layer, which extends in a second direction, which is opposite to the first direction, from an upper surface of the dielectric layer; a first high-concentration impurity region, which is formed in the first semiconductor layer to be in contact with the first slab part on the first direction side; and a second high-concentration impurity region, which is formed in a region of the second semiconductor layer on the second direction side. The second high-concentration impurity region is formed in a region other than a region overlapping the first semiconductor layer in a lamination direction.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: April 30, 2019
    Assignees: NEC CORPORATION, PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
    Inventors: Junichi Fujikata, Shigeki Takahashi
  • Patent number: 10268001
    Abstract: An optical communication module contains: a lens element, a fixer, and at least one optical fiber. The lens element includes a groove, a body, a top face, a light input face, at least one collimator lens, and a reflective bevel face. The at least one collimator lens is located within an orthographic projection range of a vertical viewing angle of the reflective bevel face, and the body has a light output face. The fixer is mounted beside the body and includes an accommodation recess and at least one focus face, wherein the at least one focus face corresponds to an orthographic projection range of a horizontal viewing angle of the light output face. The at least one optical fiber is inserted into the accommodation recess, and a glue is filled into the accommodation recess so that the at least one optical fiber is adhered in the lens element.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: April 23, 2019
    Assignee: Orangetek Corporation
    Inventors: Chun-Chieh Chen, Chao-Hui Kuo, Chun-Yi Yeh, Guan-Fu Lu
  • Patent number: 10267988
    Abstract: A method includes bonding an electronic die to a photonic die. The photonic die includes an opening. The method further includes attaching an adapter onto the photonic die, with a portion of the adapter being at a same level as a portion of the electronic die, forming a through-hole penetrating through the adapter, with the through-hole being aligned to the opening, and attaching an optical device to the adapter. The optical device is configured to emit a light into the photonic die or receive a light from the photonic die.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: April 23, 2019
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Sung-Hui Huang, Jui Hsieh Lai, Tien-Yu Huang, Wen-Cheng Chen, Yushun Lin
  • Patent number: 10270532
    Abstract: An optical transmission module includes: a main substrate having a front surface and a back surface; an optical connector having a connector substrate; a first transparent substrate disposed between the connector substrate and the main substrate; a heat source element disposed between the connector substrate and the back surface of the main substrate, and electrically connected to the main substrate; one or a plurality of wirings electrically connecting the heat source element to the main substrate, and each configured to transfer heat generated from the heat source element and the first transparent substrate, to the main substrate; a first special region preventing the heat generated from the heat source element and the first transparent substrate, from being transferred to the connector substrate; and a second special region providing a function of transferring the heat generated from the heat source element and the first transparent substrate.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: April 23, 2019
    Assignee: Sony Corporation
    Inventor: Hiizu Ootorii
  • Patent number: 10261280
    Abstract: An optical fiber distribution box includes a base, a seat, an input tube and output tubes. The seat includes a standing wall, two protruding ribs and two holes. The standing wall is disposed behind and connected to the base and has a positioning hole formed therethrough along a front-to-rear direction. The protruding ribs rearwardly extend from the standing wall, are opposite along a left-to-right direction, and respectively formed with two through holes for extension of a binding belt. The holes extend through the standing wall and respectively through the protruding ribs and flank the positioning hole.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: April 16, 2019
    Assignee: AMPHENOL FIBER OPTIC TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Jun-Lin Zhong, David Frey, Linghua Zhu, Xing-Fu Mo
  • Patent number: 10256593
    Abstract: Aspects of an optical communications network are described that include two or more optical fibers arranged to allow communication in the same or in opposite directions. The optical network includes a first optical amplifier coupled to the first optical fiber, a second optical amplifier coupled to the second optical fiber, and an optical coupler that allows excess optical power from the first optical fiber to be provided for amplification of signals traversing the second optical fiber. The disclosed systems and devices thus enable excess power from one channel to be utilized to enable amplification of signals traveling on a different channel.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: April 9, 2019
    Assignee: Facebook, Inc.
    Inventors: Nitin Kumar Goel, Satyajeet Singh Ahuja
  • Patent number: 10254486
    Abstract: An optical receptacle, includes a fiber stub having an optical fiber with a core and cladding, a ferrule with a through-hole fixing the optical fiber, a bonding agent fixing the optical fiber in the through hole and a holder holding the fiber stub. The optical fiber is disposed inside the through-hole over an entire region of the optical fiber, and includes a portion in which a core diameter and a fiber outer diameter decrease gradually toward an end surface of the ferrule on a side opposite to a side to be optically connected to a plug ferrule. The bonding agent is filled into a space between the optical fiber and an inner wall of the through-hole.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: April 9, 2019
    Assignee: Toto Ltd.
    Inventors: Sho Kondo, Satoshi Hakozaki, Hirotsugu Agatsuma
  • Patent number: 10247891
    Abstract: An optical communication mount configured for surface mounting of optical transmitters, receivers or transceivers. The mount includes a housing having holes extending from the back side to the front side of the housing. The mount includes a first set of electrically-conductive traces disposed on a bottom side of the housing for surface mounting the mount on a printed circuit board (PCB), and a second set of electrically-conductive traces disposed on the front side of the housing. The mount also includes optical fibers extending into the thru-holes from the back side of the housing. The mount includes photo devices substantially registered with the thru-holes at the front side of the housing in a manner to receive and/or transmit more optical signals by way of the optical fibers, wherein the photo devices are configured to receive bias voltages from the PCB by way of the first and second sets of electrically-conductive traces.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: April 2, 2019
    Assignee: Cosemi Technologies, Inc.
    Inventors: Wenbin Jiang, Chien-Yu Kuo, Nguyen X. Nguyen