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    Superconductive memory cells and devices
    91.
    发明授权
    Superconductive memory cells and devices 有权

    公开(公告)号：US12266401B2

    公开(公告)日：2025-04-01

    申请号：US18587872

    申请日：2024-02-26

    Applicant: PsiQuantum Corp

    Inventor： Faraz Najafi

    IPC: G11C11/44 ,  H10N60/30 ,  H10N60/83 ,  H10N60/84 ,  H10N69/00 ,  H10N60/01 ,  H10N60/85

    Abstract: An example memory cell includes a superconducting loop configured to receive a write current and form a persistent current that stores a data bit in the superconducting loop. The example memory cell further includes a superconducting wire coupled to the superconducting loop and configured to selectively read-out the data bit in the superconducting loop in response to a control signal. An example method of reading data from the memory cell includes receiving, at the superconducting loop, a write current to store a data bit in a superconducting loop, and forming a persistent current that circulates in the superconducting loop as a stored data bit. The example method further includes, in accordance with a control signal, transferring, via a superconducting wire of the memory cell that is coupled to the superconducting loop, at least a portion of the persistent current to an output of the memory cell.

    Superconducting Photon Detector
    93.
    发明申请
    Superconducting Photon Detector 有权

    公开(公告)号：US20240369408A1

    公开(公告)日：2024-11-07

    申请号：US18774410

    申请日：2024-07-16

    Applicant: PsiQuantum Corp.

    Inventor： Mark Thompson ,  Faraz Najafi

    IPC: G01J1/44 ,  G01J1/04 ,  G02B6/42 ,  H10N60/84

    Abstract: An example multi-element photon detector includes a waveguide configured to guide a set of photons from a photon source, wherein the waveguide includes (i) a first coupling region, and (ii) a second coupling region. The example detector also includes a first photon detector coupled to the first coupling region and configured to detect individual photons from the first coupling region, the first photon detector arranged to have a first coupling efficiency with the waveguide. The example detector further includes a second photon detector coupled to the second coupling region and configured to detect individual photons from the second coupling region, the second photon detector arranged to have a second coupling efficiency with the waveguide, wherein the second coupling efficiency is greater than the first coupling efficiency such that the multi-element photon detector has a first probability of absorption across the first and second single photon detectors.

    Superconductive Memory Cells and Devices
    94.
    发明公开
    Superconductive Memory Cells and Devices 审中-公开

    公开(公告)号：US20240249770A1

    公开(公告)日：2024-07-25

    申请号：US18587872

    申请日：2024-02-26

    Applicant: PsiQuantum Corp,

    Inventor： Faraz Najafi

    IPC: G11C11/44 ,  H10N60/01 ,  H10N60/30 ,  H10N60/83 ,  H10N60/84 ,  H10N60/85 ,  H10N69/00

    CPC classification number: G11C11/44 ,  H10N60/30 ,  H10N60/83 ,  H10N60/84 ,  H10N69/00 ,  H10N60/01 ,  H10N60/85

    Abstract: An example memory cell includes a superconducting loop configured to receive a write current and form a persistent current that stores a data bit in the superconducting loop. The example memory cell further includes a superconducting wire coupled to the superconducting loop and configured to selectively read-out the data bit in the superconducting loop in response to a control signal. An example method of reading data from the memory cell includes receiving, at the superconducting loop, a write current to store a data bit in a superconducting loop, and forming a persistent current that circulates in the superconducting loop as a stored data bit. The example method further includes, in accordance with a control signal, transferring, via a superconducting wire of the memory cell that is coupled to the superconducting loop, at least a portion of the persistent current to an output of the memory cell.

    Superconducting logic components
    95.
    发明授权
    Superconducting logic components 有权

    公开(公告)号：US12009819B2

    公开(公告)日：2024-06-11

    申请号：US17222657

    申请日：2021-04-05

    Applicant: PSIQUANTUM CORP.

    Inventor： Faraz Najafi ,  Qiaodan Jin Stone

    IPC: H03K19/195 ,  G01J1/44 ,  H10N60/30 ,  H10N60/84

    CPC classification number: H03K19/195 ,  G01J1/44 ,  H10N60/30 ,  H10N60/84 ,  G01J2001/442

    Abstract: The various embodiments described herein include methods, devices, and systems for operating superconducting circuitry. In one aspect, a superconducting component includes: (1) a superconductor having a plurality of alternating narrow and wide portions, each wide portion having a corresponding terminal; and (2) a plurality of heat sources, each heat source thermally coupled to a corresponding narrow portion such that heat from the heat source is transmitted to the corresponding narrow portion; where the plurality of heat sources is electrically isolated from the superconductor.

    Superconducting Field-Programmable Gate Array
    99.
    发明公开
    Superconducting Field-Programmable Gate Array 审中-公开

    公开(公告)号：US20230283281A1

    公开(公告)日：2023-09-07

    申请号：US18118040

    申请日：2023-03-06

    Applicant: PsiQuantum Corp.

    Inventor： Faraz Najafi

    IPC: H03K19/195 ,  H03K19/17784 ,  H03K19/17736 ,  H03K19/17728

    CPC classification number: H03K19/195 ,  H03K19/17784 ,  H03K19/17744 ,  H03K19/17728

    Abstract: The various embodiments described herein include methods, devices, and systems for operating superconducting circuitry. In one aspect, a programmable circuit includes: (1) a superconducting component arranged in a multi-dimensional array of alternating narrow and wide portions, the superconducting component having an input terminal at a first end and an output terminal at a second end opposite of the first end; and (2) control circuitry coupled to the narrow portions of the superconducting component, the control circuitry configured to transition the narrow portions between superconducting and non-superconducting states. In some implementations, the superconducting component and the control circuitry are formed on different layers of the programmable circuit.

    Superconducting Photon Detector
    100.
    发明公开
    Superconducting Photon Detector 审中-公开

    公开(公告)号：US20230213380A1

    公开(公告)日：2023-07-06

    申请号：US17967773

    申请日：2022-10-17

    Applicant: PsiQuantum Corp.

    Inventor： Mark Thompson ,  Faraz Najafi

    IPC: G01J1/04 ,  G01J1/44

    CPC classification number: G01J1/0407 ,  G01J1/44 ,  G01J2001/442

    Abstract: The various embodiments described herein include methods, devices, and systems for fabricating and operating superconducting photon detectors. In one aspect, a photon detector includes: (1) a first waveguide configured to guide photons from a photon source; (2) a second waveguide that is distinct and separate from the first waveguide and optically-coupled to the first waveguide; and (3) a superconducting component positioned adjacent to the second waveguide and configured to detect photons within the second waveguide.

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