Patents Examined by Michael Stahl
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Patent number: 11624884Abstract: Certain types of fiber termination enclosures include an enclosure and at least one of a plurality of plate module mounting assemblies. Example plate module mounting assemblies include a termination panel plate assembly; a splice tray plate assembly; a cable spool plate assembly; and a drop-in plate assembly. Example cable spool plate assemblies include a cable spool arrangement rotationally coupled to a mounting plate, which fixedly mounts within the enclosure housing. A stand-off mount element may be disposed on the front of the cable spool arrangement to rotate in unison with the cable spool arrangement. The stand-off mount element may include one or more termination adapters.Type: GrantFiled: May 9, 2022Date of Patent: April 11, 2023Assignee: CommScope Technologies LLCInventors: Jonathan Walter Coan, Dennis Krampotich, Jonathan R. Kaml
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Patent number: 11614586Abstract: Optical fiber mass splice methods and assemblies are provided. A method may include securing a fiber clamp to a fiber setting fixture, the fiber setting fixture including a fiber alignment block and a backstop. A plurality of fiber grooves may be defined in the fiber alignment block. The method may further include inserting a plurality of optical fibers into the fiber setting fixture such that each of the plurality of optical fibers is disposed in one of the plurality of fiber grooves and contacts the backstop. The method may further include loading, after the inserting step, each of the plurality of optical fibers into the fiber clamp. The method may further include clamping the plurality of optical fibers in the fiber clamp.Type: GrantFiled: August 16, 2019Date of Patent: March 28, 2023Assignee: AFL TELECOMMUNICATIONS LLCInventors: Ted Lichoulas, Chris Donaldson, Bobby Branks
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Patent number: 11609478Abstract: Example implementations described herein are directed to an interface configured to redirect light between a connector connected to a printed optical board (POB) via an optical waveguide, and a photonic integrated circuit (PIC), the interface involving two-dimensionally distributed waveplates (TDWs) having multiple layers of p-doped and n-doped silicon, the TDWs configured to be driven to change a dielectric constant at a two dimensional location on the TDWs such that the received light is redirected at the two dimensional location.Type: GrantFiled: May 26, 2021Date of Patent: March 21, 2023Assignee: Hirose Electric Co., Ltd.Inventors: Kihong Kim, Jeremy Buan, Tsutomu Matsuo, Tadashi Ohshida
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Patent number: 11609396Abstract: High-connection density and bandwidth fiber optic apparatuses and related equipment and methods are disclosed. In certain embodiments, fiber optic apparatuses are provided and comprise a chassis defining one or more U space fiber optic equipment units. At least one of the one or more U space fiber optic equipment units may be configured to support particular fiber optic connection densities and bandwidths in a given 1-U space. The fiber optic connection densities and bandwidths may be supported by one or more fiber optic components, including but not limited to fiber optic adapters and fiber optic connectors, including but not limited to simplex, duplex, and other multi-fiber fiber optic components. The fiber optic components may also be disposed in fiber optic modules, fiber optic patch panels, or other types of fiber optic equipment.Type: GrantFiled: August 2, 2021Date of Patent: March 21, 2023Assignee: Corning Optical Communications LLCInventors: Terry Lee Cooke, David Lee Dean, Jr., Harley Joseph Staber, Kevin Lee Strause, Alan William Ugolini
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Patent number: 11598920Abstract: An embodiment apparatus comprises an optically transparent substrate having first and second surfaces; a piezoelectric membrane, arranged at the first surface, that oscillates in response to a light beam propagated through the substrate; at least one reflective facet facing the substrate and arranged at the piezoelectric membrane; and an optical element receiving the light beam at an input end and guiding the light beam towards an output end coupled to the second surface. The optical element incorporates a light focusing path focusing the light beam at a focal point at the piezoelectric membrane, and at least one light collimating path collimating the light beam onto the at least one reflective facet. The optical element guides light reflected from the at least one reflective facet to the input end, the reflected light indicating a position of the optical element with respect to the focal point.Type: GrantFiled: May 21, 2021Date of Patent: March 7, 2023Assignee: STMicroelectronics S.r.l.Inventors: Luca Maggi, Mark Andrew Shaw
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Patent number: 11592633Abstract: A buffer tube for an optical fiber cable provided by the present disclosure includes an optical fiber ribbon stack, a first layer, a second layer, an optical fiber cable, a central strength member, a plurality of buffer tubes, a water blocking layer, and a sheath and plurality of rip cords. The first layer is an inner layer of the buffer tube. The first layer is made of a soft material. The soft material of the first layer is one of low smoke zero halogen, thermoplastic elastomers and thermoplastic polyurethane. The second layer is an outer layer of the buffer tube. The second layer surrounds the first layer. The second layer is made of a hard material. The hard material of the second layer is one of polypropylene, polybutylene terephthalate, and nylon.Type: GrantFiled: February 27, 2020Date of Patent: February 28, 2023Assignee: Sterlite Technologies LimitedInventors: Sravan Kumar, Hemanth Kondapalli, Kishore Chandra Sahoo
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Patent number: 11592621Abstract: The invention described herein pertains to the structure and formation of dual core waveguide structures and to the formation of optical devices including spot size converters from these dual core waveguide structure for the receiving and routing of optical signals on substrates, interposers, and sub-mount assemblies.Type: GrantFiled: April 12, 2021Date of Patent: February 28, 2023Inventors: Suresh Venkatesan, Miroslaw Florjanczyk, Trevor Hall, Peng Liu, Jing Yang
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Patent number: 11585983Abstract: Optical fiber mass splice methods and assemblies are provided. A method may include securing a fiber clamp to a fiber setting fixture, the fiber setting fixture including a fiber alignment block and a backstop. A plurality of fiber grooves may be defined in the fiber alignment block. The method may further include inserting a plurality of optical fibers into the fiber setting fixture such that each of the plurality of optical fibers is disposed in one of the plurality of fiber grooves and contacts the backstop. The method may further include loading, after the inserting step, each of the plurality of optical fibers into the fiber clamp. The method may further include clamping the plurality of optical fibers in the fiber clamp.Type: GrantFiled: August 16, 2019Date of Patent: February 21, 2023Assignee: AFL TELECOMMUNICATIONS LLCInventors: Ted Lichoulas, Chris Donaldson, Bobby Branks
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Patent number: 11585984Abstract: The invention described herein pertains to the structure and formation of dual core waveguide structures and to the formation of optical devices including spot size converters from these dual core waveguide structure for the receiving and routing of optical signals on substrates, interposers, and sub-mount assemblies.Type: GrantFiled: April 12, 2021Date of Patent: February 21, 2023Inventors: Suresh Venkatesan, Miroslaw Florjanczyk, Trevor Hall, Peng Liu, Jing Yang
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Patent number: 11579367Abstract: An integrated waveguide polarizer comprising: a plurality of silicon layers and a plurality of silicon-nitride layers; each of the plurality of silicon layers and each of the plurality of silicon-nitride layers having a first end and an opposite second end, the first end having a wide width and the second end having a narrow width, such that each silicon layer and each silicon-nitride layer have tapered shapes; wherein the pluralities of silicon and silicon-nitride layers are overlapped, such that at least a portion of each silicon-nitride layer overlaps at least a portion of each silicon layer; and a plurality of oxide layers disposed between the pluralities of silicon-nitride and silicon layers, each oxide layer creating a separation spacing between each silicon-nitride and each silicon layers; wherein, when an optical signal is launched through the integrated waveguide polarizer, the optical signal is transitioned between each silicon-nitride layer and each silicon layer.Type: GrantFiled: February 10, 2021Date of Patent: February 14, 2023Inventors: Xingyu Zhang, Tongqing Wang, Dawei Zheng, Zhoufeng Ying
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Patent number: 11579083Abstract: An implantable optical sensor (1) comprising a substrate (2) and at least one optical microstructure (3) for evanescent field sensing integrated with the substrate (2), the at least one optical microstructure (3) being positioned to form an optical interaction area (4) on a part of a surface (5) of the substrate (2), the optical assembly (1) further comprising a thin protective layer (6) covering at least the optical interaction area (4), the thin protective layer (6) being in a predetermined material with corrosion-protection characteristics and having a predetermined thickness, so as not to affect the evanescent field sensing.Type: GrantFiled: March 30, 2018Date of Patent: February 14, 2023Assignee: Indigo Diabetes N.V.Inventors: Juan Sebastian Ordonez Orellana, Danaë Delbeke, Koenraad Van Schuylenbergh, Paolo Cardile, Ananth Subramanian
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Patent number: 11555963Abstract: Structures for an optical power splitter and methods of forming a structure for an optical power splitter. The structure includes a first waveguide core having a first arm, a second waveguide core including a second arm, and a third waveguide core having a third arm laterally positioned between the first arm and the second arm. The third arm has a longitudinal axis. The first arm is longitudinally offset from the third arm parallel to the longitudinal axis such that the third arm and the first arm are laterally adjacent over a first overlap distance. The second arm is longitudinally offset from the third arm parallel to the longitudinal axis such that the third arm and the second arm are laterally adjacent over a second overlap distance. The first overlap distance is greater than the second overlap distance to provide an overlap offset.Type: GrantFiled: June 25, 2021Date of Patent: January 17, 2023Assignee: GlobalFoundries U.S. Inc.Inventors: Subramanian Krishnamurthy, Yusheng Bian
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Patent number: 11557863Abstract: The present disclosure provides an electrical connection device that includes a shell, a holding member and a light guiding member. The shell has a front end insertion opening and a rear wall. The rear wall is formed with a first clip structure, and the first clip structure has a sheet body which is integrally formed rearwardly by the rear wall. A clip hole is defined between the sheet body and the rear wall. The holding member has a holding body and a second clip structure which is integrally formed from the holding body and correspondingly cooperates with the first clip structure. The second clip structure has a first arm which is inserted into to the clip hole with an interference fit. A plurality of light guiding pipes are inserted into to the holding body of the holding member.Type: GrantFiled: September 25, 2020Date of Patent: January 17, 2023Assignee: Molex, LLCInventor: Wei-Yu Chen
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Patent number: 11555967Abstract: An optical connector-equipped fiber connection structure according to an embodiment includes at least three groups including two or more optical fibers adjacent to each other. In the groups, two or more of the optical fibers extend from a first multi-core connector to a second multi-core connector without intersecting with each other. Optical fibers of two groups in the at least three groups intersect with each other in a midway point going from the first multi-core connector to the second multi-core connector. Optical fibers of groups other than the two groups extend from the first multi-core connector to the second multi-core connector without intersecting with the other optical fibers extending from the first multi-core connector.Type: GrantFiled: October 26, 2018Date of Patent: January 17, 2023Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Kazuya Masuda, Masakazu Shigehara
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Patent number: 11543597Abstract: The present disclosure relates to using a coating to protect a portion of an optical fiber that is intended to buckle within a fiber optic connector. The fiber optic connector can include a bare fiber optical connector.Type: GrantFiled: January 8, 2019Date of Patent: January 3, 2023Assignee: COMMSCOPE TECHNOLOGIES LLCInventors: Stefano Beri, Jan Watté, Valja Everaert
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Patent number: 11543594Abstract: Systems and methods for providing holographic waveguide display using integrated gratings in accordance with various embodiments of the invention are illustrated. One embodiment includes a waveguide display including a source of light, and a first waveguide including a grating structure including first and second gratings, and an input coupler configured to couple a first field-of-view portion of light, and couple a second field-of-view portion of light, wherein the first grating is configured to provide beam expansion in a first direction for the first field-of-view portion of light, and provide beam expansion in the first direction and beam extraction towards a viewer for the second field-of-view portion of light, the second grating is configured to provide beam expansion in a second direction for the second field-of-view portion of light, and provide beam expansion in the second direction and beam extraction towards a viewer for the first field-of-view portion of light.Type: GrantFiled: May 24, 2021Date of Patent: January 3, 2023Assignee: DigiLens Inc.Inventors: Alastair John Grant, Jonathan David Waldern, Milan Momcilo Popovich, Sihui He, Edward Lao, Roger Allen Conley Smith
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Patent number: 11543603Abstract: An optical ferrule has a different thermal expansion coefficient than a substrate to which a optical device is mounted, the ferrule optically coupling the device to one or more optical fibers. The optical ferrule includes and/or a cradle in which the ferrule is mounted include lateral and longitudinal engagement feature that ensure alignment with the optical device at an operating temperature, the ferrule expanding relative to the substrate when transitioning to the operating temperature.Type: GrantFiled: June 27, 2019Date of Patent: January 3, 2023Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventor: Michael A. Haase
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Patent number: 11543591Abstract: An optical multiplexer that extends a transmission bandwidth of light is achieved. The present invention provides an optical multiplexer constructed of a multimode waveguide to which two single mode input waveguides are connected at a distance and two single mode output waveguides connected at a distance to a surface opposite a surface to which the input waveguides of the multimode waveguide are connected, in which a width of the multimode waveguide is smaller than widths of the two input waveguides plus a distance between the input waveguides, and the input waveguides are connected to the multimode waveguide and the multimode waveguide is connected to the output waveguides via tapered waveguides, respectively.Type: GrantFiled: August 1, 2019Date of Patent: January 3, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Junji Sakamoto, Toshikazu Hashimoto
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Patent number: 11536907Abstract: A photonic integrated circuit includes a photonic device. The photonic device includes an input region configured to receive an input signal including a plurality of multiplexed channels. The photonic device includes a metastructured dispersive region structured to partially demultiplex the input signal into an output signal and a throughput signal. The output signal includes a channel of the multiplexed channels. The throughput signal includes the remaining channels of the multiplexed channels. The photonic device includes an output region and a throughput region optically coupled with the metastructured dispersive region to receive the output signal and the throughput signal, respectively. The metastructured dispersive region includes a heterogeneous distribution of a first material and a second material that structures the metastructured dispersive region to partially demultiplex the input signal into the output signal and the throughput signal.Type: GrantFiled: April 21, 2021Date of Patent: December 27, 2022Assignee: X Development LLCInventors: Joaquin Matres Abril, Carl Jonas Love Einarsson
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Patent number: 11536975Abstract: Specific management of configuration of overlap of facets reduces non-uniformity in an image outcoupled toward a nominal point of observation. A waveguide including at least two parallel surfaces, first, middle, and last partially reflecting facets are configured such that in a geometrical projection of the facets onto one of the surfaces the facets overlap, preferably with adjacent facets overlapping and non-adjacent facets starts and ends coinciding along at least a portion of the waveguide.Type: GrantFiled: September 20, 2021Date of Patent: December 27, 2022Assignee: Lumus Ltd.Inventors: Yochay Danziger, Tsion Axel Eisenfeld