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    Optical switching using spatially distributed phase shifters
    4.
    发明授权
    Optical switching using spatially distributed phase shifters 有权

    公开(公告)号：US11422431B2

    公开(公告)日：2022-08-23

    申请号：US16899036

    申请日：2020-06-11

    Applicant: Analog Photonics LLC

    Inventor： Ehsan Shah Hosseini ,  Michael Robert Watts ,  Matthew Byrd

    IPC: G02F1/313 ,  G02F1/225

    Abstract: An optical switching apparatus comprises: input ports receiving respective input optical waves, each coupled to a respective beam-forming structure comprising: an input optical waveguide, an optical power distributor to distribute optical power from a mode of the optical waveguide over the respective spatial region, and a spatially distributed phase shifter to apply different transmission optical phase shifts over different portions of the respective spatial region, where the transmission optical phase shifts determine the selected transmission angle; and output ports providing respective output optical waves, each coupled to a respective beam-receiving structure comprising: a spatially distributed phase shifter to apply different reception optical phase shifts over different portions of the respective spatial region, where the reception optical phase shifts determine the selected reception angle, an optical power combiner to combine optical power from different portions of the respective spatial region into a collected a mode, and an output optical waveguide.

    Photonic die alignment
    5.
    发明授权
    Photonic die alignment 有权

    公开(公告)号：US11237344B2

    公开(公告)日：2022-02-01

    申请号：US16815655

    申请日：2020-03-11

    Applicant: Analog Photonics LLC

    Inventor： Diedrik Vermeulen ,  Ehsan Shah Hosseini ,  Michael J. Whitson

    IPC: G02B6/42

    Abstract: A first photonic die has a first coupling edge and a first die surface, and comprises: a first waveguide extending in proximity to the first coupling edge; a portion of the first die surface forming an alignment edge substantially parallel to the first waveguide; and a first alignment feature etched into or formed adjacent to the first coupling edge. A second photonic die has a second coupling edge and a second die surface, and comprises: a second waveguide extending in proximity to the second coupling edge; a portion of the second die surface configured to form a receptacle sized to constrain a position of the alignment edge; and a second alignment feature etched into or formed adjacent to the second coupling edge and configured to enable alignment with the first alignment feature when the first photonic die and the second photonic die are substantially aligned with each other.

    Array-Based Free-Space Optical Communication Links
    10.
    发明申请
    Array-Based Free-Space Optical Communication Links 有权

    公开(公告)号：US20210152243A1

    公开(公告)日：2021-05-20

    申请号：US17092531

    申请日：2020-11-09

    Applicant: Analog Photonics LLC

    Inventor： Ehsan Shah Hosseini ,  Michael Robert Watts

    IPC: H04B10/112

    Abstract: Optical communication with a remote node comprises: transmitting at least one optical beam to the remote node; receiving at least a portion of at least one optical beam from the remote node; providing intensity information based on one or more signals from one or more optical detector modules in an array of optical detector modules detecting the portion of the optical beam received from the remote node; and controlling at least one optical phased array to steer the optical beam transmitted to the remote node based on intensity information received from the remote node.

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