Patents Examined by Andrew Jordan
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Patent number: 11971588Abstract: A new fiber optic connector provides a smaller form factor by including two ferrule assemblies in a housing. The housing accepts a push-pull mechanism that allows for insertion and removal from a carrier as well as an adapter. The push-pull mechanism may also include a flexure member to return the push-pull mechanism. Polarity of the fiber optic connector may also be selected by use of the push-pull mechanism.Type: GrantFiled: May 19, 2023Date of Patent: April 30, 2024Assignee: US Conec Ltd.Inventors: Darrell R. Childers, Jillcha F. Wakjira, Jason Higley, Michael E. Hughes, Mitchell Cloud
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Patent number: 11971587Abstract: A fiber optic connector includes a housing and push-pull boot with a latch body disposed between a front extension of the push-pull boot and a top side of the housing. The latch body has an anti-buckle feature, which may be a projection. The anti-buckle feature movable between a relaxed position and a stressed position, wherein the anti-buckle feature is in contact with the housing in the stressed position to prevent the latch body from buckling.Type: GrantFiled: May 12, 2023Date of Patent: April 30, 2024Assignee: US Conec Ltd.Inventor: Jason Higley
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Patent number: 11960087Abstract: An optical device comprises a waveguide plate comprising an entrance pupil grating unit, a left pupil-expanding grating unit, and a right pupil-expanding grating unit. The left and right pupil-expanding grating units are bilaterally symmetric, and left and right exit pupil grating units are bilaterally symmetric. An input light is diffracted by the entrance pupil grating unit to form a first left guided light and a first right guided light, the first left guided light is diffracted by the left pupil-expanding grating unit to form a second left guided light, and the first right guided light is diffracted by the right pupil-expanding grating unit to form a second right guided light. The second left guided light is diffracted by the left pupil-expanding grating unit to form a left output light, and the second right guided light is diffracted by the right pupil-expanding grating unit to form a right output light.Type: GrantFiled: November 22, 2021Date of Patent: April 16, 2024Assignee: SHENZHEN OPTIARK SEMICONDUCTOR TECHNOLOGIES LIMITEDInventors: Houqiang Jiang, Yisheng Zhu
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Patent number: 11953729Abstract: Photonic devices are disclosed including a first cladding layer, a first electrical contact comprising a first lead coupled to a first dielectric portion, a second electrical contact comprising a second lead coupled to a second dielectric portion, a waveguide structure comprising a slab layer comprising a first material, and a second cladding layer. The slab layer may be coupled to the first dielectric portion of the first electrical contact and the second dielectric portion of the second electrical contact. The first dielectric portion and the second dielectric portion may have a dielectric constant greater than a dielectric constant of the first material.Type: GrantFiled: February 6, 2023Date of Patent: April 9, 2024Assignee: PSIQUANTUM, CORP.Inventor: Nikhil Kumar
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Patent number: 11947147Abstract: An optical device including: a substrate; an optical waveguide formed at the substrate; and a protective layer formed adjacent to the optical waveguide, wherein the optical waveguide includes multiple side surfaces that intersect the substrate, at least one side surface of the optical waveguide is provided with a rough surface. According to the optical device of the present invention, the light propagation loss can be reduced.Type: GrantFiled: March 29, 2022Date of Patent: April 2, 2024Assignee: TDK CORPORATIONInventors: Kenji Nagase, Hiroshi Take, Anthony Reymund Melad Binarao, Cheng Bu Heng
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Patent number: 11947160Abstract: An optical fiber having an axial direction and a cross section perpendicular to the axial direction, and a method and preform for producing such an optical fiber. The optical fiber is adapted to guide light at a wavelength ?, and includes a core region, an inner cladding region surrounding said core region, and at least one of a first type of feature including a void and a surrounding first silica material. The core, the inner cladding region and the first type of feature extends along said axial direction over at least a part of the length of the optical fiber. The first silica material has a first chlorine concentration of about 300 ppm or less.Type: GrantFiled: January 5, 2023Date of Patent: April 2, 2024Assignee: NKT PHOTONICS A/SInventors: Jens Kristian Lyngsø, Christian Jakobsen, Jesper Skov Gretlund, Harald R. Simonsen
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Patent number: 11927814Abstract: An optical signal to be detected enters single photon avalanche diode cells (SPAD) in a SPAD array and triggers photo event currents. Optical waveguides in the sensor carry an internal optical signal and a 1xN splitter divides the optical power into waveguide branches 206, 206?, . . . 206N-1. At the coupling structure, comprising 207, 207?, . . . 207N-1 positive-intrinsic-negative diode photodetector/waveguide structures, photo event currents from SPAD cells are converted to a change in the internal optical signal, by modifying internal optical signals 208, 208?, . . . 208N-1. A waveguide combiner further integrates the modified internal optical signals resulting from the photo event currents from all the cells in the sub-array. After all waveguide branches' signals are combined, a photodetector detects the internal optical signal and outputs an electrical signal.Type: GrantFiled: January 5, 2022Date of Patent: March 12, 2024Assignee: SCIDATEK INC.Inventors: Tomoyuki Izuhara, Junichiro Fujita, Louay Eldada
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Patent number: 11921319Abstract: A transparent display includes a display including a transparent substrate and a patterned diamond layer formed on the transparent substrate to at least in part define a diamond waveguide. At least two electronic devices can be connected by the diamond waveguide, and can include a sensor, a transducer, or electronic circuitry, including communication, control, or data processing electronic circuitry.Type: GrantFiled: April 11, 2023Date of Patent: March 5, 2024Assignee: AKHAN SEMICONDUCTOR, INC.Inventors: Adam Khan, Kiran Kumar Kovi, Ernest Schirmann, William Alberth
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Patent number: 11906801Abstract: An optical receptacle connector includes a receptacle housing having housing walls defining a contact cavity and an optical cavity. The receptacle housing includes an upper wall and a lower wall at a front of the receptacle housing defining a card slot receiving a mating edge of an optical module circuit board of a pluggable optical generator module. The upper wall includes an upper wall opening above the card slot. A contact assembly having receptacle contacts is received in the contact cavity to supply power to the pluggable optical generator module to operate a light source of the pluggable optical generator module. A receive optical connector is coupled to the receptacle housing above the upper wall opening and mated with a supply optical connector of the pluggable optical generator module to receive optical signals from the supply optical connector.Type: GrantFiled: June 17, 2022Date of Patent: February 20, 2024Assignee: TE CONNECTIVITY SOLUTIONS GmbHInventor: Eric David Briant
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Patent number: 11906789Abstract: A coupling unit includes a light coupling element comprising an attachment area for receiving and permanently attaching to a plurality of optical waveguides. One or more grooves are provided at the attachment area. Each groove is configured to receive an optical waveguide and defined by a bottom surface, a first region, a second region, and an opening. The first region is defined between the bottom surface and the second region. The first region in cross section has substantially parallel sidewalls separated by a spacing. The second region is disposed between the first region and the opening. A width of the opening is greater than the spacing.Type: GrantFiled: January 5, 2023Date of Patent: February 20, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Michael A. Haase, Terry L. Smith
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Patent number: 11906873Abstract: Embodiments are disclosed for providing a serializer and/or a deserializer with redundancy using optical modulators. An example system includes an MZM structure that comprises a first waveguide interferometer arm structure and a second waveguide interferometer arm structure. The first waveguide interferometer arm structure comprises a first segmented electrode associated with at least a first electrode and a second electrode. The second waveguide interferometer arm structure comprises a second segmented electrode associated with at least a third electrode and a fourth electrode. The MZM structure is configured to convert an optical input signal into an optical output signal through application of a digital data signal to the first electrode and the third electrode, and application of a redundant digital data signal to the second electrode and the fourth electrode.Type: GrantFiled: March 14, 2022Date of Patent: February 20, 2024Assignee: MELLANOX TECHNOLOGIES, LTD.Inventors: Nikos Argyris, Paraskevas Bakopoulos, Dimitrios Kalavrouziotis, Elad Mentovich
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Patent number: 11906781Abstract: A method includes providing a photonic wafer that includes an electrical layer and a layer disposed on a substrate. The layer includes at least one optical waveguide that is disposed between the electrical layer and the substrate. The method also includes removing a portion of the substrate underneath the at least one optical waveguide and forming an end-face coupler. A portion of the end-face coupler is within the removed portion of the substrate. The end-face coupler transmits an optical signal to, or receives an optical signal from, an external optical device.Type: GrantFiled: December 12, 2022Date of Patent: February 20, 2024Assignee: Cisco Technology, Inc.Inventors: Roman Bruck, Gianlorenzo Masini
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Patent number: 11906783Abstract: An object of the present invention is to provide a core position recognition method, a connection method, and a connection apparatus that can simplify connection operations, and reduce rotational displacement and positional displacement. The connection apparatus according to the present invention includes a function capable of acquiring the rotation amount of an MCF during the bonding/fixing step. Specifically, the connection apparatus of the present invention uses an MCF with lines drawn on a side surface thereof, thereby recognizing the rotation amount of the MCF from the side surface, and calculating the absolute positions of the cores. The connection apparatus according to the present invention can recognize the absolute position s of the cores from a side image of an MCF in a state in which the MCF has been rotated.Type: GrantFiled: October 8, 2019Date of Patent: February 20, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yoko Yamashita, Masaki Wada, Takashi Matsui, Kazuhide Nakajima
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Patent number: 11898899Abstract: There is provided a MOMS sensor comprising a fiber interface comprising a fiber passthrough for one or more optical fibers, a cavity comprising an element hermetically encapsulated within the cavity, wherein the element is movably anchored by SiN arms, which are movable with respect to walls of the cavity, wherein the SiN arms comprise anchor portions at first ends of the SiN arms, which are connected to the element, and at second ends of the SiN arms, which are connected to the walls of the cavity, and the fiber interface is configured to receive the fibers through the fiber passthrough into positions for communications of light between the element and the fibers. In this way a robust structure that supports sensitivity of the sensor is provided.Type: GrantFiled: February 12, 2021Date of Patent: February 13, 2024Assignee: MIRAEX SAInventors: Mitchell Anderson, Clément Javerzac-Galy, Olexiy Feofanov, Nicolas Abelé
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Patent number: 11899245Abstract: An optical receptacle connector includes a receptacle housing defining a contact cavity, an optical cavity, and a card slot at a front of the receptacle housing configured to receive an edge of an optical module circuit board. A contact assembly having receptacle contacts is received in the contact cavity and extend into the card slot to supply power to the pluggable optical generator module to operate a light source. The optical receptacle connector includes a receive optical connector coupled to the receptacle housing having a ferrule holding at least one optical fiber configured to be mated with a supply optical connector of the pluggable optical generator module to receive optical signals from the supply optical connector.Type: GrantFiled: April 1, 2022Date of Patent: February 13, 2024Assignee: TE CONNECTIVITY SOLUTIONS GmbHInventor: Eric David Briant
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Patent number: 11892693Abstract: A device includes a die stack including a first die including a quantum circuit and a second die including an electronic circuit. The second die and the first die face each other. The device also includes a first interconnect between the quantum circuit and the electronic circuit and a second interconnect between the quantum circuit and the electronic circuit.Type: GrantFiled: September 23, 2022Date of Patent: February 6, 2024Assignee: Psiquantum, Corp.Inventors: Gabriel J. Mendoza, Matteo Staffaroni, Albert Wang, John Eugene Berg, Ramakanth Alapati
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Patent number: 11885967Abstract: A waveguide display includes a substrate transparent to visible light, a first grating on the substrate and configured to couple display light into or out of the substrate, and a phase structure on the substrate and configured to change a polarization state of the display light after or before the display light reaches the first grating. The first grating is characterized by a polarization-dependent diffraction efficiency. The first grating includes, for example, a surface-relief grating or a volume Bragg grating.Type: GrantFiled: September 17, 2021Date of Patent: January 30, 2024Assignee: META PLATFORMS TECHNOLOGIES, LLCInventors: Wai Sze Tiffany Lam, Yang Yang, Wanli Chi, Dominic Meiser
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Patent number: 11886007Abstract: A waveguide structure and a method for splitting light is described. The method may include optically coupling a first waveguide and a second waveguide, where the optical coupling may be wavelength insensitive. The widths of the first and second waveguides may be non-adiabatically varying and the optical coupling may be asymmetric between the first and second waveguides. A gap between the first and second waveguides may also be varied non-adiabatically and the gap may depend on the widths of the first and second waveguides. The optical coupling between the first and second waveguides may also occur in the approximate wavelength range of 800 nanometers to 1700 nanometers.Type: GrantFiled: November 11, 2022Date of Patent: January 30, 2024Assignee: Apple Inc.Inventors: Yi-Kuei Wu, Yongming Tu, Alfredo Bismuto, Andrea Trita, Yangyang Liu
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Patent number: 11886001Abstract: Methods of fabricating a waveguide module are presented that include the steps of providing a glass substrate having first and second substantially planar parallel surfaces and comprising one or more cells in a first arrangement and singulating the glass substrate to produce one or more singulated cells. Singulated cells are treated with a chemical agent, laminated to a carrier substrate, processed, and delaminated from the carrier wafer and optionally subjected to further processing.Type: GrantFiled: December 20, 2019Date of Patent: January 30, 2024Assignee: Snap Inc.Inventors: Amit Singh, David G. Fliszar
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Patent number: 11874540Abstract: A resonator modulator for modulating light in a photonic circuit, the modulator comprising: a capacitor formed of a ring-shaped insulating region sandwiched between an outer conductive region and an inner conductive region, wherein at least one of the outer conductive regions or the inner conductive regions is a polycrystalline semiconductor material.Type: GrantFiled: January 28, 2022Date of Patent: January 16, 2024Assignee: University of SouthamptonInventors: Weiwei Zhang, Graham Reed, David Thomson, Martin Ebert, Shinichi Saito