Patents by Inventor Kevin B. Leigh
Kevin B. Leigh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11353662Abstract: An electronically-managed optical fiber connection system is provided. A smart ferrule carrier comprises a plurality of ferrule bays configured to accept a tagged optical ferrule assembly. Each tagged optical ferrule assembly comprises an identification (ID) tag storing identification information for the optical ferrule assembly. A smart carrier board comprising a carrier controller is configured to read and/or write information to/from the ID tag of each tagged optical ferrule assembly. A smart carrier adapter is configured to accept a plurality of smart ferrule carriers, the smart carrier adapter including an adapter controller system. The adapter controller system includes an adapter controller configured to communicate with the carrier controller of each installed smart ferrule carrier and a system controller.Type: GrantFiled: April 26, 2019Date of Patent: June 7, 2022Assignee: Hewlett Packard Enterprise Development LPInventors: Kevin B. Leigh, John Norton
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Patent number: 11340410Abstract: An photonic circuit includes a substrate, a plurality of first light waveguides disposed on the substrate, the first light waveguides extending in a first direction, a plurality of second light waveguides disposed on the substrate and extending in a second direction intersecting the first direction, and a plurality of first micro-ring resonators disposed on the substrate. Each of the first light waveguides has an intersection with each of the second light waveguides. Each of the intersections is provided with a first micro-ring resonator of the first micro-ring resonators. Each first micro-ring resonator is configured to route signals of a respective wavelength from one of the light waveguides at the intersection to another light waveguide at the intersection.Type: GrantFiled: October 19, 2020Date of Patent: May 24, 2022Assignee: Hewlett Packard Enterprise Development LPInventors: Kevin B. Leigh, Luca Ramini, Mir Ashkan Seyedi, Marco Fiorentino
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Publication number: 20220141557Abstract: A photonic node includes a first circuit disposed on a first substrate and a second circuit disposed on a second substrate different from the first substrate. The first circuit is configured to route light signals originated from the photonic node to local nodes of a local group in which the photonic node is a member. The second circuit is configured to route light signals received from a node of an external group in which the photonic node is not a member, to one of the local nodes.Type: ApplicationFiled: October 30, 2020Publication date: May 5, 2022Inventors: KEVIN B. LEIGH, LUCA RAMINI, MIR ASHKAN SEYEDI, STEVEN DEAN, MARCO FIORENTINO
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Patent number: 11323787Abstract: A photonic node includes a first circuit disposed on a first substrate and a second circuit disposed on a second substrate different from the first substrate. The first circuit is configured to route light signals originated from the photonic node to local nodes of a local group in which the photonic node is a member. The second circuit is configured to route light signals received from a node of an external group in which the photonic node is not a member, to one of the local nodes.Type: GrantFiled: October 30, 2020Date of Patent: May 3, 2022Assignee: Hewlett Packard Enterprise Development LPInventors: Kevin B. Leigh, Luca Ramini, Mir Ashkan Seyedi, Steven Dean, Marco Fiorentino
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Patent number: 11314026Abstract: An edge-attachable (EA) optical connector includes an optical connector housing for an optical connector. The optical connector housing includes a slot that aligns with a module board edge finger electrical connector, such that the optical connector housing can be slid over a module board edge finger electrical connector and attached to the module board edge. An optical connector on one end of an optical fiber bundle or ribbon fits within the optical connector housing. When the optical connector housing is attached to the module board edge, the optical connector blind mates with a host optical connector supported by a bracket to which a host electrical connector is attached. An optical connector on another end of the optical fiber bundle or ribbon mates with a module board optical connector. The module board optical connector may include an optical socket mounted on an opto-electronic chip disposed on the module board.Type: GrantFiled: November 19, 2018Date of Patent: April 26, 2022Assignee: Hewlett Packard Enterprise Development LPInventors: Kevin B. Leigh, John Norton, Michael R. Krause
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Publication number: 20220120983Abstract: An photonic circuit includes a substrate, a plurality of first light waveguides disposed on the substrate, the first light waveguides extending in a first direction, a plurality of second light waveguides disposed on the substrate and extending in a second direction intersecting the first direction, and a plurality of first micro-ring resonators disposed on the substrate. Each of the first light waveguides has an intersection with each of the second light waveguides. Each of the intersections is provided with a first micro-ring resonator of the first micro-ring resonators. Each first micro-ring resonator is configured to route signals of a respective wavelength from one of the light waveguides at the intersection to another light waveguide at the intersection.Type: ApplicationFiled: October 19, 2020Publication date: April 21, 2022Inventors: KEVIN B. LEIGH, LUCA RAMINI, MIR ASHKAN SEYEDI, MARCO FIORENTINO
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Patent number: 11300738Abstract: A housing-attachable (HA) optical connector is removably attached to a housing that is initially designed for an electrical interface with a base electrical connector on a system board. An optical fiber terminates at one end to a chip optical connector and terminates at another end to the HA optical connector. The HA optical connector is positioned with respect to the housing such that when a portion of the printed circuit board of a removable module extending outside the housing comes into contact with a base electrical connector on a system board, the HA optical connector blind mates with a base-attachable (BA) optical connector on the system board. In this manner, electrical connectivity and optical connectivity are provided between the removable module and the system board.Type: GrantFiled: November 8, 2018Date of Patent: April 12, 2022Assignee: Hewlett Packard Enterprise Development LPInventors: Kevin B. Leigh, John Norton, Michael R. Krause
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Patent number: 11294131Abstract: A shuffle assembly for a computing device comprises at least one chassis waveguide shuffle block having a plurality of chassis inputs and a plurality of chassis outputs, and having a plurality of optical waveguides formed therein connecting the chassis inputs to the chassis outputs in a desired chassis shuffle arrangement. The shuffle assembly may further comprise at least one line card waveguide shuffle block having a plurality of line card inputs, at least one of the plurality of line card inputs, a plurality of line card outputs, and a plurality of waveguides formed therein connecting the plurality of line card inputs to the plurality of line card outputs in a line card shuffle arrangement. At least one optical ribbon cable may couple the at least one chassis waveguide shuffle block to the at least one waveguide shuffle block.Type: GrantFiled: March 11, 2020Date of Patent: April 5, 2022Assignee: Hewlett Packard Enterprise Development LPInventors: Kevin B. Leigh, Everett R. Salinas, Sagi Varghese Mathai
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Patent number: 11275222Abstract: Optoelectronic systems and methods of assembly thereof are described herein according to the present disclosure. An example of an optoelectronic described herein includes a substrate and an interposer coupled to the substrate including one or more optical emitters and one or more photodetectors to be mounted thereto. The interposer is fabricated with one or more mechanical datums located on the interposer with respect to flip chip pads to position and couple the optical emitters and photodetectors to the interposer. The optoelectronic system also includes an optical connector and an optical socket that includes one or more mechanical datums corresponding to the mechanical datums of the interposer. The optical socket is configured to align the optical connector with the optical emitters and the photodetectors when the optical socket is coupled to the substrate and the optical connector is received within the optical socket.Type: GrantFiled: April 30, 2020Date of Patent: March 15, 2022Assignee: Hewlett Packard Enterprise Development LPInventors: Paul Kessler Rosenberg, Sagi Varghese Mathai, Kevin B. Leigh, Michael Renne Ty Tan
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Publication number: 20220077656Abstract: Techniques and systems for a semiconductor laser, namely a grating-coupled surface-emitting (GCSE) comb laser, having thermal management for facilitating dissipation of heat, integrated thereon. The thermal management is structured in manner that prevents deformation or damage to the GCSE laser chips included in the semiconductor laser implementation. The disclosed thermal management elements integrated in the laser can include: heat sinks; support bars; solder joints; thermal interface material (TIM); silicon vias (TSV); and terminal conductive sheets. Support bars, for example, having the GCSE laser chip positioned between the bars and having a height that is higher than a thickness of the GCSE laser chip. Accordingly, the heat sink can be placed on top of the support bars such that heat is dissipated from the GCSE laser chip, and the heat sink is separated from directed contact with the GCSE laser chip due to the height of the support bars.Type: ApplicationFiled: September 8, 2020Publication date: March 10, 2022Inventors: DI LIANG, CHIH C. SHIH, KEVIN B. LEIGH, GEZA KURCZVEIL, MARCO FIORENTINO
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Publication number: 20220066107Abstract: Systems and assemblies are provided for reconfigurable waveguide (RWG) blocks having fixed waveguides therein. The RWG blocks can receive multiple self-aligned simplex ferrules to achieve customized fiber shuffles that are reconfigurable. A RWG block assembly includes the RWG block with fixed waveguides, a parallel-fiber ferrule interface to install a parallel-fiber ferrule, a plurality of simplex ferrule interfaces to install one or more simplex ferrules which allows the simplex ferrules to be positioned modularly within the RWG block assembly. The fixed waveguides allow optically coupling between the parallel-fiber ferrule and the one or more simplex ferrules via the RWG block. An assembly can also include a RWG block housing with the RWG block installed therein, and a carrier bracket coupled to the RWG block housing that receives a plurality of simplex ferrules such that each of the plurality of simplex ferrules can be positioned modularly and self-aligned within the carrier bracket.Type: ApplicationFiled: September 3, 2020Publication date: March 3, 2022Inventors: Kevin B. LEIGH, John R. Grady
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Publication number: 20220043223Abstract: Pluggable optical transceiver modules are described herein that are specifically configured to preclude use of fiber jumpers inside of the module. Pluggable optical transceiver modules implement a rigid-plane jumper that provides an opto-mechanical interface between an external fiber cable (attached to the pluggable optical transceiver module) and the optical transceiver in a manner that does not require the fiber jumper, while ensuring reduced optical loss. In some embodiments one or more rigid waveguide plates act as an opto-mechanical coupling between the external fiber cable and on-board opto-electrical components (e.g., optical transceiver). For example, the rigid waveguide plates are coupled to a faceplate connector, and a CWDM block that is in turn optically coupled to the optical socket. In some embodiments, the CWDM block is directly attached to the rigid waveguide plates. In some embodiments, the CWDM block is indirectly attached to the rigid waveguide plates using a half periscope.Type: ApplicationFiled: August 7, 2020Publication date: February 10, 2022Inventors: KEVIN B. LEIGH, SAGI VARGHESE MATHAI, MICHAEL RENNE TY TAN
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Publication number: 20210409846Abstract: Waveguide shuffle blocks (WSBs) are provided that may incorporate waveguides routed in any pattern to effectuate many-to-many connectivity between optical cables/fibers or other WSBs connected thereto. Such WSBs may be configured in ways that allow the WSBs to be stacked and to achieve effective optical cable/fiber organization. Moreover, such WSBs may include readable tags that can provide information regarding a particular WSB configuration and/or what optical cables/fibers are connected so that network topology can be discovered and monitored. Some WSBs may be configured as wavelength shifting shuffles (WSSs) that allow a particular wavelength(s) of an optical signal(s) to be routed as desired and/or alter a first wavelength associated with a particular optical signal to a second wavelength. In other embodiments WSSs can be configured to allow for wavelength multiplexing/demultiplexing.Type: ApplicationFiled: June 25, 2020Publication date: December 30, 2021Inventors: KEVIN B. LEIGH, PAUL KESSLER ROSENBERG, STANLEY CHEUNG
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Publication number: 20210389533Abstract: Pluggable optical transceiver modules are described herein that are specifically configured to preclude use of fiber jumpers inside of the module. The pluggable optical transceiver modules include an on-board application-specific integrated circuit (ASIC), optical transceiver, and an optical socket allowing a fiber to connect to the optical transceiver. Pluggable optical transceiver modules implement an opto-mechanical interface between an external fiber cable (attached to the pluggable optical transceiver module) and the optical transceiver in manner that does not require the fiber jumper, while ensuring tight alignment tolerances. In some embodiments, optical transceiver modules are designed to achieve a direct opt-mechanical coupling between the external fiber cable and on-board opto-electrical components (e.g., optical transceiver).Type: ApplicationFiled: June 12, 2020Publication date: December 16, 2021Inventors: SAGI VARGHESE MATHAI, PAUL KESSLER ROSENBERG, MICHAEL RENNE TY TAN, KEVIN B. LEIGH
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Patent number: 11199671Abstract: Glass-as-a-Platform (GaaP) assemblies are provided. Embodiments of the GaaP assembly comprise a first glass plate and a second glass plate, each disposed under one or more switch ASICs and one or more opto-electronic devices co-packaged on the same substrate. Each glass plate includes a plurality of waveguides. The co-packaged substrate is disposed on top of one or more of the first glass plate and second glass plate, the first glass plate configured to couple to one or more opto-electronic devices and the second glass plate configured to couple to one or more other opto-electronic devices. A faceplate interface end of each glass plate is configured to connect to one or more optical cable connectors. The glass plates are configured to route optical signals to and from one or more opto-electronic devices and one or more optical cable connectors through the one or more waveguides and openings in the co-packaged substrate.Type: GrantFiled: April 21, 2020Date of Patent: December 14, 2021Assignee: Hewlett Packard Enterprise Development LPInventor: Kevin B. Leigh
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Patent number: 11199669Abstract: A faceplate optical sub-assembly is provided for accommodating a plurality of optical receptacles mounted in a faceplate of a computing device. The faceplate optical sub-assembly accommodates one or more optical receptacle housings having optically-connected front and rear optical bays. A collar having a single aperture surrounds the one or more optical bays, and a shell structure comprised of a pair of interlocking sub-shells engages on the rear of the collar. A gasket is disposed between the collar and the shell structure. The collar, gasket, and shell structure provide electromagnetic interference (EMI) shielding for optical connections made between optical fibers inserted in the front and rear optical bays, and rigidly engage the plurality of optical receptacle housings. The single aperture of the collar and the multi-part shell structure allows for insertion of a fiber jumper assembly into the rear bays of the faceplate optical sub-assembly prior to insertion into a faceplate of a computing device.Type: GrantFiled: September 24, 2020Date of Patent: December 14, 2021Assignee: Hewlett Packard Enterprise Development LPInventors: Kevin B. Leigh, Everett Salinas, Kuang-Yi Wu
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Patent number: 11199665Abstract: Examples include an optical device for redirecting optical signals. The optical device includes a plurality of input ports, a plurality of optical blocks such that at least one optical block of the plurality of optical blocks aligned to each input port of the plurality of input ports, and a plurality of output ports. The plurality of input ports may direct a plurality of optical signals of selective wavelengths to a first direction. Each of the optical blocks may be movable to a plurality of positions to selectively redirect the respective optical signal of the plurality of signals from the first direction to a second direction to one or more output ports of the plurality of output ports that may receive the one or more optical signals redirected to the second direction.Type: GrantFiled: January 28, 2020Date of Patent: December 14, 2021Assignee: Hewlett Packard Enterprise Development LPInventors: Sagi Varghese Mathai, Paul Kessler Rosenberg, Kevin B. Leigh
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Publication number: 20210345024Abstract: Systems and methods are provided for flexible wavelength assignments in a communication network. An optical adapter is provided for the systems and methods. The optical adapter has a first interface connected to an optical switch via a first optical cable, a second interface connected to a plurality of server ports via a plurality of second optical cables, and a controller coupled to a switch controller of the optical switch. The controller is configured to perform: obtaining instructions from the switch controller; and assigning, based on the instructions, one or more wavelengths for a time slot to one of the server ports, wherein the controller performs the assigning without direct communication with the server ports.Type: ApplicationFiled: April 30, 2020Publication date: November 4, 2021Inventors: KEVIN B. LEIGH, SAGI VARGHESE MATHAI, PAUL KESSLER ROSENBERG
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Publication number: 20210341690Abstract: Optoelectronic systems and methods of assembly thereof are described herein according to the present disclosure. An example of an optoelectronic described herein includes a substrate and an interposer coupled to the substrate including one or more optical emitters and one or more photodetectors to be mounted thereto. The interposer is fabricated with one or more mechanical datums located on the interposer with respect to flip chip pads to position and couple the optical emitters and photodetectors to the interposer. The optoelectronic system also includes an optical connector and an optical socket that includes one or more mechanical datums corresponding to the mechanical datums of the interposer. The optical socket is configured to align the optical connector with the optical emitters and the photodetectors when the optical socket is coupled to the substrate and the optical connector is received within the optical socket.Type: ApplicationFiled: April 30, 2020Publication date: November 4, 2021Inventors: Paul Kessler Rosenberg, Sagi Varghese Mathai, Kevin B. Leigh, Michael Renne Ty Tan
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Publication number: 20210345511Abstract: A computing device, comprising: a chassis; an optical base layer, including optical connectors; a power base layer, including power connectors; a thermal base layer, including a cold supply line with liquid disconnects, hot return lines with liquid disconnects, and thermal infrastructure interfaces; a radio frequency base layer, including radio frequency connectors; a power interface, wherein the power interface connects to the power base layer; a power supply to connect to the power interface and provide power to the power base layer through the power interface; and bays defined by bay divider walls, wherein each bay divider wall is removable and each bay comprises one of the optical connectors, one of the power connectors, one liquid disconnect for the supply line, one of the liquid disconnects for a hot return line, and one of the radio frequency connectors.Type: ApplicationFiled: April 30, 2020Publication date: November 4, 2021Inventors: Kevin B. LEIGH, John R. GRADY