Patents Examined by John M Bedtelyon
  • Patent number: 10018798
    Abstract: Drop cable assemblies that can be routed from an outdoor terminal directly to an indoor wall outlet without disruption, and adhered to the interior of a dwelling after removal of the drop cable jacket and utilization of a pre-applied adhesive layer are described. Additionally, telecommunications systems utilizing such assemblies, methods of routing such assemblies and methods of making such assemblies are described.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: July 10, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Donald K. Larson, Daniel J. Treadwell, Zachary M. Thompson, William J. Clatanoff, Joseph C. Carls, Victor J. Borer, Cary A. Kipke, Brian M. Cole
  • Patent number: 10018789
    Abstract: A method and an apparatus for coupling an optical waveguide to a single-mode fiber are disclosed. The apparatus includes a substrate, a first optical waveguide, a single-mode fiber and a second optical waveguide. The first optical waveguide, the single-mode fiber and the second optical waveguide dispose on the substrate. One end of the single-mode fiber has an optical fiber taper structure. One end of the second optical waveguide is optically coupled to the first optical waveguide. Another end of the second optical waveguide is optically coupled to the single-mode fiber using the optical fiber taper structure of the single-mode fiber.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: July 10, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Pan Wang, Can Zhang, Qinfen Hao
  • Patent number: 10007052
    Abstract: The waveguide structure can be manufactured on wafer-scale and comprises a holding structure and a first and a second waveguides each having a core and two end faces. The holding structure comprises a separation structure being arranged between the first and the second waveguide and provides an optical separation between the first and the second waveguide in a region between the end faces of the first and second waveguides. A method for manufacturing such a waveguide structure with at least one waveguide comprises shaping replication material by means of tool structures to obtain the end faces, hardening the replication material and removing the tool structures from a waveguide structures wafer comprising a plurality of so-obtained waveguides.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: June 26, 2018
    Assignee: Heptagon Micro Optics Pte. Ltd.
    Inventors: Simon Gubser, Frank Sobel, Alexander Bietsch, Jens Geiger
  • Patent number: 10007058
    Abstract: The wavelength response of an arrayed waveguide grating can be tuned, in accordance with various embodiments, using a beam sweeper including one or more heaters to shift a lateral position of light focused by the beam sweeper at an interface of the beam sweeper with an input free propagation region of the arrayed waveguide grating.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: June 26, 2018
    Assignee: Aurrion, Inc.
    Inventors: Jared Bauters, Brian R. Koch, Jonathan Edgar Roth, Gregory Alan Fish
  • Patent number: 9989705
    Abstract: A fiber optic distribution assembly includes a plurality of fiber optic connectors, each having a plurality of ports arranged in the same predetermined port configuration. The predetermined port configuration has a plurality of port positions. Each of a group of N first optical fibers is optically connected to a first (e.g., input) fiber optic connector at port positions 1 through N of the predetermined port configuration, to support a group of N drop connections. A plurality of M second optical fibers is connected between ports (N+1) through (M+N) of the first fiber optic connector and ports 1 through M of a second (e.g., lateral) fiber optic connector. A plurality of P third optical fibers is connected between ports (M+N+1) through (M+N+P) of the first fiber optic connector and ports 1 through P of a third (e.g., distribution) fiber optic connector.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: June 5, 2018
    Assignee: Corning Optical Communications LLC
    Inventor: Joseph Clinton Jensen
  • Patent number: 9989787
    Abstract: Disclosed herein are methods, structures, and devices for a silicon carrier-depletion based modulator with enhanced doping in at least part of slab regions between waveguide core and contact areas. Compared to prior designs, this modulator exhibits lower optical absorption loss and better modulation bandwidth without sacrificing the modulation efficiency when operating at comparable bandwidth settings.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: June 5, 2018
    Assignee: Acacia Communications, Inc.
    Inventors: Long Chen, Christopher Doerr
  • Patent number: 9989784
    Abstract: An optical quantizer including: a first shaping unit which performs at least intensity modulation of the sampling optical pulses using an analog signal to generate first optical pulses having a spectrum in which intensity is flat in a spectrum axis direction; a second shaping unit which performs spectrum shaping of the sampling optical pulses to generate second optical pulses having a spectrum in which intensity increases or decreases monotonously in the spectrum axis direction; a phase shifter which shifts a phase of optical pulses input to one of the first shaping unit and the second shaping unit so that a phase difference between the first optical pulses and the second optical pulses becomes a predetermined phase difference; an interference device which causes interference between the first optical pulses and the second optical pulses; and a wavelength demultiplexer which demultiplexes optical pulses output from the interference device into light of wavebands.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: June 5, 2018
    Assignee: OSAKA UNIVERSITY
    Inventor: Tsuyoshi Konishi
  • Patent number: 9977206
    Abstract: A system and method for using the system includes a first and second waveguide and optical receiver elements coupled therebetween. The optical receiver elements include a microring configured to admit light from and transfer light to at least one of the first and second waveguides, a photodetector, coupled to the microring, configured to detect light admitted to the microring, and an enable circuit, coupled to the microring, configured to be switched between a light admitting state to enable light to be admitted to the microring and a light rejection state to prevent light from being admitted to the microring. Each optical receiver element has a relative priority and are configured to asynchronously arbitrate among themselves for a token to place one of the enable circuits in the light admitting state to enable one of the optical receiver elements to receive and transmit data.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: May 22, 2018
    Assignee: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
    Inventors: Ramachandran Vaidyanathan, Ahmed Bahaa Mansour
  • Patent number: 9977199
    Abstract: A multi-fiber, fiber optic connector is interchangeable between a male connector and a female connector by including a pin retainer having a releasable retention device configured to lock the pins in place within the retainer. The retention device may be opened, for example, with a release tool, to free the retention pins for removal of the pins. A method for switching a connector between a male connector configuration and a female connector configuration may be possible as a result of the releasable retention configuration.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: May 22, 2018
    Inventors: Jimmy Chang, Kazu Takano
  • Patent number: 9971225
    Abstract: A spot size converter includes: a first semiconductor waveguide structure having a first width enabling single mode propagation; a second semiconductor waveguide structure having a second width greater than the first width, a second semiconductor waveguide structure including an end face for optically coupling with an external waveguide; a third semiconductor waveguide structure having a third width greater than the first and second widths, the third semiconductor waveguide structure being optically coupled to the second semiconductor waveguide structure; and a single tapered waveguide having a first end portion connected to the third semiconductor waveguide structure, and a second end portion connected to the first semiconductor waveguide structure, the single tapered waveguide having a width gradually changing in a direction from the first end portion to the second end portion.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: May 15, 2018
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Naoya Kono
  • Patent number: 9972944
    Abstract: A pluggable module includes a pluggable body extending between a front end and a mating end receivable in a module cavity of a receptacle assembly to mate with a communication connector. The pluggable body has a top, a bottom, a first side wall and a second side wall between the top and the bottom and has an upper shell defining the top and a lower shell defining the bottom coupled together at a seam. A seam cover is coupled to the pluggable body at the first side wall covering the seam between the upper shell and the lower shell on the first side wall. The seam cover is conductive and provides EMI shielding at the seam for a communication circuit board held in the pluggable body.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: May 15, 2018
    Assignee: TE CONNECTIVITY CORPORATION
    Inventors: Richard James Long, Steven David Dunwoody
  • Patent number: 9971227
    Abstract: The present invention discloses a TMOS based on slab PhCs with a high DOP and a large EXR, which comprises an upper slab PhC and a lower slab PhC; the upper slab PhC is called as a first square-lattice slab PhC with a TE bandgap, the unit cell of the first square-lattice slab PhC includes a high-refractive-index rotating-square pillar, a single first flat dielectric pillar and a background dielectric, the first flat dielectric pillar includes a high-refractive-index dielectric pipe and a low-refractive-index dielectric, or a high-refractive-index flat film, or a low-refractive-index dielectric; the lower slab PhC is a second square-lattice slab PhC with a complete bandgap, wherein the unit cell of the second square-lattice slab PhC includes a high-refractive-index rotating-square pillar, a single second flat dielectric pillar and a background dielectric, and a normalized operating frequency of the TMOS with high DOP and large extinction ratio is 0.252 to 0.267.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: May 15, 2018
    Assignee: ZHENGBIAO OUYANG
    Inventor: Zhengbiao Ouyang
  • Patent number: 9964680
    Abstract: The present disclosure describes luminescent solar concentrators that include photoluminescent nanoparticles. The photoluminescent nanoparticles include a semiconductor nanocrystal that sensitizes the luminescence of a defect. The defect can include, for example, an atom, a cluster of atoms, or a lattice vacancy. The defect can be incorporated into the semiconductor nanocrystal, adsorbed onto, or otherwise associated with the surface of the semiconductor nanocrystal.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: May 8, 2018
    Assignees: Western Washington University, University of Washington through its Center for Commercialization
    Inventors: David Patrick, John Gilbertson, Stephen McDowall, Christian Erickson, Daniel R. Gamelin, Liam Bradshaw, Emily Jane McLaurin, Kathryn E. Knowles
  • Patent number: 9964702
    Abstract: The disclosed embodiments provide a system that implements an optical interface. The system includes a semiconductor chip with a silicon layer, which includes a silicon waveguide, and an interface layer (which can be comprised of SiON) disposed over the silicon layer, wherein the interface layer includes an interface waveguide. The system also includes an optical coupler that couples an optical signal from the silicon waveguide in the silicon layer to the interface waveguide in the interface layer, wherein the interface waveguide channels the optical signal in a direction parallel to a top surface of the semiconductor chip. The system additionally includes a mirror, which is oriented to reflect the optical signal from the interface waveguide in a surface-normal direction so that the optical signal exits the top surface of the semiconductor chip.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: May 8, 2018
    Assignee: Oracle International Corporation
    Inventors: Ying Luo, Xuezhe Zheng, Ashok V. Krishnamoorthy
  • Patent number: 9958626
    Abstract: Multi-core fibers are optical fibers each of which has a circular cross section. In each of the multi-core fibers, a plurality of cores are arranged at a prescribed interval, the peripheries thereof are covered by a cladding, and a resin coating is formed on the outer periphery of the cladding. In a cross section of this optical fiber ribbon, said cross section being orthogonal to the length direction, the multi-core fibers are arranged such that the cores of all of the multi-core fibers are all arranged in the same direction. The multi-core fibers are arranged such that central lines of the respective multi-core fibers, said central lines respectively linking three of the cores, all face the thickness direction of the optical fiber ribbon. Furthermore, in the optical fiber ribbon, the arrangement of the cores is substantially constant along the entire length of the optical fiber ribbon in the length direction.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: May 1, 2018
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventor: Kunio Kokura
  • Patent number: 9958621
    Abstract: Switchable housings and connector assemblies for connections to high density panels are disclosed, as well as components thereof. A connector assembly may include cable assembly connectors configured to engage with a mating connector in a first direction. A latching portion may be configured to engage and selectively disengage the cable assembly connector with the mating connector. A switchable housing may contain release members configured to contact the latching portion and provide a compressing force sufficient to selectively disengage the cable assembly connector from the mating connector and a pull tab assembly in contact with the release members. Movement of the pull tab assembly in a second direction may cause the pull tab assembly to compress the one or more release members, thereby causing the one or more release members to provide the compressing force to disengage the cable assembly connector from the mating connector.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: May 1, 2018
    Assignee: Senko Advanced Components, Inc
    Inventors: Yim Wong, Cary E. Ruffner
  • Patent number: 9952393
    Abstract: A light guiding structure is provided. The structure includes an anodized aluminum oxide (AAO) layer and a fluoropolymer layer located immediately adjacent to a surface of the AAO layer. Light propagates through the AAO layer in a direction substantially parallel to the fluoropolymer layer. An optoelectronic device can be coupled to a surface of the AAO layer, and emit/sense light propagating through the AAO layer. Solutions for fabricating the light guiding structure are also described.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: April 24, 2018
    Assignee: Sensor Electronic Technology, Inc.
    Inventors: Alexander Dobrinsky, Michael Shur, Remigijus Gaska
  • Patent number: 9952382
    Abstract: The present embodiment relates to an MCF in which the strength of mode coupling or power coupling between adjacent cores included in one coupled-core group is set to an appropriate level to reduce a DGD. The MCF includes at least one coupled-core group. A core interval ? between adjacent cores included in the coupled-core group is set such that a mode coupling coefficient between the adjacent cores at a wavelength of 1550 nm satisfies 2.6×100 [m?1] to 1.6×102 [m?1] or a power coupling coefficient between the adjacent cores at the wavelength of 1550 nm satisfies 1.3×10?3 [m?1] to 8.1×100 [m?1].
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: April 24, 2018
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Tetsuya Hayashi
  • Patent number: 9945985
    Abstract: There is provided a method for making an optical element having a textured surface. The method comprises the steps of: a) providing a plurality of primary optical fiber segments, each primary fiber segment comprising one or more cores; b) bundling the primary fiber segments into an assembly with the cores of said primary fiber segments extending parallely; c) transforming the assembly into a secondary structure comprising the parallely extending cores; and d) etching a surface of the secondary structure according to an etch profile of said secondary structure, the etch profile being defined by the parallely extending cores, thereby forming the textured surface of the optical element. An optical element having a textured surface is also provided.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: April 17, 2018
    Assignee: CORACTIVE HIGH-TECH, INC.
    Inventor: Bertrand Morasse
  • Patent number: 9946045
    Abstract: A module includes a plurality of splitters, a plurality of inputs, and a plurality of outputs wherein the outputs are connected to multi-fiber connectors and wherein outputs from a plurality of splitters are connected to one of the multi-fiber connectors. The splitters have outputs in multiples of eight, such as a 1×32 splitter. The multi-fiber connectors include twelve fiber cables.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: April 17, 2018
    Assignees: CommScope Technologies LLC, CommScope Connectivity Belgium BVBA
    Inventors: Craig Bryan Kegerise, Sean Patrick Kelly, Didier Pierre W. Claeys