Patents Examined by Chris Chu
  • Patent number: 10120153
    Abstract: Fiber optic equipment that supports independently translatable fiber optic modules and/or fiber optic equipment trays containing one or more fiber optic modules is disclosed. In some embodiments, one or more fiber optic modules are disposed in a plurality of independently translatable fiber optic equipment trays which are received in a tray guide system. In this manner, each fiber optic equipment tray is independently translatable within the guide system. One or more fiber optic modules may also be disposed in one or more module guides disposed in the fiber optic equipment trays to allow each fiber optic module to translate independently of other fiber optic modules in the same fiber optic equipment tray. In other embodiments, a plurality of fiber optic modules are disposed in a module guide system disposed in the fiber optic equipment that translate independently of other fiber optic modules disposed within the module guide system.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: November 6, 2018
    Assignee: Corning Optical Communications, LLC
    Inventors: Terry Lee Cooke, David Lee Dean, Jr., Tory Allen Klavuhn, Juan Garcia Martinez, Elmer Mariano Juarez, Manuel Alejandro Lopez Sanchez, Juan Miguel Gonzalez Covarrubias
  • Patent number: 10114174
    Abstract: Optical connectors, optical coupling systems, and methods of optical coupling are disclosed. In one embodiment, an optical connector includes a plug housing, at least one optical fiber, an internal coupling surface, and a translating element. The translating element has a first coupling surface, a second coupling surface, and at least one optical component within the translating element. The translating element is biased such that when the optical connector is in a disengaged state, the translating element is positioned toward an optical connector opening and the second coupling surface of the translating element is displaced from the internal coupling surface. When the optical connector is in an engaged state, the translating element is positioned such that the second coupling surface of the translating element is positioned at the internal coupling surface and the optical fiber is optically coupled to the optical component.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: October 30, 2018
    Assignee: Corning Optical Communications LLC
    Inventors: Micah Colen Isenhour, Dennis Michael Knecht, James Phillip Luther
  • Patent number: 10107960
    Abstract: A device that includes an optical coupler with a waveguide and waveguide index matched materials at an edge of a substrate, and a method of forming the device, is provided herein. The device comprises: a substrate having an edge, and an opening formed therein adjacent the edge; a layer of insulator on the substrate, which forms a bridge across the opening at the edge; a waveguide on the layer of insulator, the waveguide comprising a constant-width region and a tapered region terminating at the edge in a region of the opening; a first layer of optical epoxy in the opening, the optical epoxy indexed matched to the layer of insulator; and, a second layer of the optical epoxy on the tapered region, such that the optical epoxy optically contains an optical signal leaking from the waveguide in the tapered region.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: October 23, 2018
    Assignee: RANOVUS INC.
    Inventors: Ryan Murray Hickey, Christopher James Brooks, Dylan Logan, Andrew Peter Knights
  • Patent number: 10108146
    Abstract: An anisotropic spatial acousto-optic modulator for a holographic display system includes a substrate, an anisotropic waveguide that guides light into a single polarization, and a transducer that generates surface acoustic waves that propagate linearly with the guided, polarized light, converting at least some of the polarized light into a leaky mode of orthogonally polarized light. The acoustic waves may be encoded with holographic information. The modulator may include coupling devices for coupling light into the waveguide, which may have multiple channels. A holographic video display system includes at least one anisotropic spatial acousto-optic modulator. The pattern of the surface acoustic waves, encoded with holographic information, acts as a diffraction pattern that causes the modulator output to form a wavefront that becomes at least part of a holographic image. The system may have multiple channels in multiple waveguides, wherein each waveguide writes one or more lines of the holographic image.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: October 23, 2018
    Assignee: Massachusetts Institute of Technology
    Inventors: Daniel E. Smalley, V. Michael Bove, Jr., Quinn Y. J. Smithwick
  • Patent number: 10101541
    Abstract: An optical ferrule and an optical connector are provided, which make it possible to reduce the labor required for an adhesive wiping operation even when the optical ferrule is small-sized. A first adhesive filling recess 113 is equipped, which is formed at an outlet of an optical fiber hole 112 so that a forward end of a bare fiber 120, which is positioned by the optical fiber hole 112, is allowed to abut against an inner wall 113w opposed to the outlet, and the bare fiber 120 is adhered and fixed in a resultant state by means of an adhesive 131 with which the recess is filled, wherein the first adhesive filling recess 113 is provided with adhesive accommodating recesses 115, 117 which are shallower than the first adhesive filling recess 113 and are disposed continuously with the first adhesive filling recess 113.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: October 16, 2018
    Assignee: FUJIKURA LTD.
    Inventors: Akihiro Nakama, Tatsuya Ohta, Kunihiko Fujiwara, Takanobu Mikami
  • Patent number: 10094996
    Abstract: Fiber optic equipment that supports independently translatable fiber optic modules and/or fiber optic equipment trays containing one or more fiber optic modules is disclosed. In some embodiments, one or more fiber optic modules are disposed in a plurality of independently translatable fiber optic equipment trays which are received in a tray guide system. In this manner, each fiber optic equipment tray is independently translatable within the guide system. One or more fiber optic modules may also be disposed in one or more module guides disposed in the fiber optic equipment trays to allow each fiber optic module to translate independently of other fiber optic modules in the same fiber optic equipment tray. In other embodiments, a plurality of fiber optic modules are disposed in a module guide system disposed in the fiber optic equipment that translate independently of other fiber optic modules disposed within the module guide system.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: October 9, 2018
    Assignee: Corning Optical Communications, LLC
    Inventors: Terry Lee Cooke, David Lee Dean, Jr., Tory Allen Klavuhn, Juan Garcia Martinez, Elmer Mariano Juarez, Manuel Alejandro Lopez Sanchez, Juan Miguel Gonzalez Covarrubias
  • Patent number: 10090930
    Abstract: An apparatus having first and second transceiver cells formed in a single integrated circuit. In one example embodiment, an apparatus includes a first transceiver cell including a first set of components configured to enable communication on a first communication link in a network and a second transceiver cell formed underneath the first transceiver cell in a single integrated circuit (IC). The second transceiver cell is optically isolated from the first transceiver cell. The second transceiver cell includes a second set of components configured to enable communication on a second communication link in the network.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: October 2, 2018
    Assignee: Finisar Corporation
    Inventor: David Allouche
  • Patent number: 10048647
    Abstract: An optical waveguide includes a waveguide body and a spatially-varying volume hologram. The volume hologram increases, in a coordinate direction along the volume hologram, an angle of incidence by which light propagating in the waveguide body via total internal reflection is released from the waveguide body. The optical waveguide may form part of an optical system that includes one or more light sources and/or optical sensors.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: August 14, 2018
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Timothy Andrew Large, John Lutian
  • Patent number: 10036904
    Abstract: An integrated differential Electro-Absorption Modulator (EAM) device. The device includes a substrate, an electrical driver, and two EAM modules. The electrical driver circuit is configured overlying the substrate member and has one output electrically coupled to the first EAM module and the other output electrically coupled to the second EAM module. The first and second EAM modules have a first and a second output, respectively. A beam splitter can be configured to split an optical input into two optical outputs, each of which can be optically coupled to the optical inputs of the first and second EAM modules.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: July 31, 2018
    Assignee: INPHI CORPORATION
    Inventor: Radhakrishnan L. Nagarajan
  • Patent number: 10007079
    Abstract: An optical fiber unit includes: an optical fiber bundle formed by bundling a plurality of optical fibers; and a plurality of bundling members. Each of the bundling members is wound on an outer circumference of the optical fiber bundle along a length direction of the optical fiber bundle while a winding direction of the bundling member is reversed alternately, and joined with another bundling member at reverse sections where the winding direction of the bundling member is reversed. A region surrounded by a pair of the bundling members to be joined at the reverse sections includes a joining point at one of the reverse sections of another pair of the bundling members.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: June 26, 2018
    Assignee: FUJIKURA LTD.
    Inventors: Daiki Takeda, Naoki Okada, Masayoshi Yamanaka, Ken Osato, Tomoaki Kaji
  • Patent number: 10007048
    Abstract: The present invention relates to light guide bodies having improved luminous intensity and transparency, to a method for their production and to their use.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: June 26, 2018
    Assignee: EVONIK ROEHM GmbH
    Inventors: Jann Schmidt, Wojciech Pisula, Peter Stein, Christian Roth, Sabine Schwarz-Barac, Heiko Rochholz, Alexander Baum
  • Patent number: 10001694
    Abstract: An optical modulator that is adapted to modulate a light signal at very high RF frequencies and provide the modulating RF signal to equipment separate from the modulator is disclosed. The modulator includes a Mach-Zehnder Modulator in which light loses due to the crossing of the RF waveguide conductors and the optical waveguides are reduced. In addition, problems arising from asynchrony between the RF signals and the optical signals are reduced. The modulator also reduces signal losses due to resonances in the modulator. The modulator can be configured to be used in test probes that require a compact configuration that is adapted to designs having multiple test probes that are proximate to each other.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: June 19, 2018
    Assignee: Keysight Technologies, Inc.
    Inventors: Gregory S. Lee, Christopher Coleman, Dietrich W. Vook, Thomas S. Low
  • Patent number: 9983354
    Abstract: Methods and devices for a plasmonic circuit are described. A planar plasmonic device is configured with a controlling gate structure and when coupled to a complementary plasmonic device, a switching circuit can be realized. Also, by varying the properties of the complementary plasmonic device, the circuit can also operate as an amplifier. By use of combinations of this plasmonic circuit element, more advanced circuits and logic functions can be arrived at.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: May 29, 2018
    Assignee: The United States of America, as Represented by the Secretary of the Navy
    Inventors: Joanna Ptasinski, Stephen Russell
  • Patent number: 9983358
    Abstract: An optical signal routing device may include a first lens, second lens and a wavelength division multiplexer (“WDM”) filter positioned between the first and second lenses. The WDM filter may reflect a signal of a first wavelength with a first attenuation and pass the first wavelength signal attenuated by at most a second attenuation to the second lens, the first attenuation exceeding the second attenuation by a first predetermined amount. The WDM filter may reflect a signal of a second wavelength different than the first wavelength with at most a third attenuation, the first attenuation exceeding the third attenuation by at least a second predetermined amount. The device may further include a reflector positioned to reflect the first wavelength signal reflected by the WDM filter toward the WDM filter with at least a fourth attenuation, the fourth attenuation exceeding the second attenuation by at least a third predetermined amount.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: May 29, 2018
    Assignee: Go!Foton Holdings, Inc.
    Inventors: Haiguang Lu, Kenichiro Takeuchi, Rhaniel Peralta, Glenn Lachica, Marlene Gizelle M. Balinos, Anita L. Lumantes, Erika Mae A. Entico
  • Patent number: 9979489
    Abstract: An optical modulation apparatus includes an optical modulation unit that includes a plurality of ring optical modulators which are coupled in cascade to each other and the ring optical waveguides of which have round-trip lengths different from each other, and a controller that performs, for at least one of the ring optical modulators, first resonance wavelength adjustment control to adjust the resonance wavelength of the ring optical modulator to one input light wavelength, performs second resonance wavelength adjustment control to specify the ring optical modulator that exhibits a minimum current amount required for the adjustment of the resonance wavelength of the ring optical waveguide to the one input light wavelength from among the ring optical modulators and adjust the resonance wavelength of the specified ring optical modulator to the one input light wavelength, and performs modulation driving control for the specified ring optical modulator.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: May 22, 2018
    Assignee: FUJITSU LIMITED
    Inventor: Akinori Hayakawa
  • Patent number: 9964784
    Abstract: A modulator may include a substrate. The modulator may include one or more waveguides formed upon or formed in the substrate. A signal electrode may be provided adjacent to at least one of the one or more waveguides and may include a curved outer surface. The modulator may include one or more ground electrodes provided adjacent to the signal electrode. Each ground electrode, of the one or more ground electrodes, may include a respective curved inner surface that is radially spaced from the curved outer surface of the signal electrode. The one or more ground electrodes and the substrate may at least substantially enclose the curved outer surface of the signal electrode.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: May 8, 2018
    Assignee: Lumentum Operations LLC
    Inventors: Gregory J. McBrien, Karl Kissa
  • Patent number: 9964718
    Abstract: An optical module includes optical transmission member, optical element, substrate, electrode pad between the optical element and external circuit, and optical block including optical transmission member mounting portion. The optical transmission member mounting portion is formed on the optical block in optical axis direction such that optical transmission efficiency is the maximum. A manufacturing method of the optical module includes mounting and electrically connecting the optical element on one face of the substrate, calculating a position on a 2-dimensional plane of optical input/output point of the optical element, forming base material of the optical block to impregnate the optical element onto the substrate, forming the optical transmission member mounting portion at the position on the 3-dimensional plane of the optical input/output point calculated in the former step on the base material, and mounting the optical transmission member on the optical transmission member mounting portion.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: May 8, 2018
    Assignee: LS MTRON LTD.
    Inventors: Seung Hun Lee, Young Ho Kim, Kyung Nyung Woo, Ick Kyun Lee, Keon Cheol Park
  • Patent number: 9933569
    Abstract: An evanescent light generation element for oscillating evanescent light from an optical waveguide to a clad layer, including a 0.1 ?m-10 ?m thin layer composed of a ferroelectric single crystal or oriented crystal having first and second principal surfaces, and incident side end and exit side end surfaces. A ridge optical waveguide is formed in the thin layer and extends between the incident and exit side end surfaces of the thin layer. At least a pair of grooves is formed on both sides of the ridge optical waveguide in the thin layer and opened at the first principal surface of the thin layer. A clad layer is provided on the first principal surface or the second principal surface. A width of the ridge optical waveguide at the exit side end surface is less than a width of the ridge optical waveguide at the incident side end surface.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: April 3, 2018
    Assignee: NGK Insulators, Ltd.
    Inventors: Jungo Kondo, Shoichiro Yamaguchi, Takashi Yoshino, Yukihisa Takeuchi
  • Patent number: 9921374
    Abstract: An optical connector may include a vibrational element and a pair of traces to power the element. A corresponding connector receptacle includes a pair of pins to provide power to the vibrational element via the traces.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: March 20, 2018
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: John Norton, Brandy Dauenhauer Sausse
  • Patent number: 9921370
    Abstract: A waveguide for the extraction of light at low levels of reflection arranged to guide light from an electro-optical component on a chip to a facet on the chip for extraction includes a first part and a second part. The first part (4) is extended, the second part (5) includes a surface (JK) through which the light exits from the waveguide (1). A non-adiabatic longitudinal section (GHLM) is located after the first part (4) but before the surface (JK) in the direction of propagation of the light, and the surface (JK) forms in the plane of the chip a first angle (V1) with the optical axis (A) of the first part (4) that lies between 5 and 80 degrees.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: March 20, 2018
    Assignee: SYNTUNE AB
    Inventors: Jan-Olof Wesstrom, Per Granestrand, Stefan Hammerfeldt