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    METASTABILITY-FREE CLOCKLESS SINGLE FLUX QUANTUM LOGIC CIRCUITRY
    2.
    发明公开
    METASTABILITY-FREE CLOCKLESS SINGLE FLUX QUANTUM LOGIC CIRCUITRY 审中-公开

    公开(公告)号：US20240235558A9

    公开(公告)日：2024-07-11

    申请号：US17971700

    申请日：2022-10-24

    申请人： International Business Machines Corporation

    发明人： Sergey Rylov ,  John Francis Bulzacchelli ,  Matthew Beck

    IPC分类号： H03K19/195 ,  H03K19/20

    CPC分类号： H03K19/195 ,  H03K19/20

    摘要： A device includes a logic circuit comprising a clockless single flux quantum logic gate which comprises a plurality of input ports, an output port, an output Josephson junction, and a plurality of dynamic storage loop circuits and isolation buffer circuits. The output Josephson junction is coupled to an output of each dynamic storage loop circuit and configured to drive the output port. Each isolation buffer circuit is coupled to a respective input port, and a respective dynamic storage loop circuit and configured to absorb a circulating current of an antifluxon which is injected into the respective dynamic storage loop circuit to prevent the antifluxon from being output from the respective input port, and to inject a fluxon into the respective dynamic storage loop circuit in response to a single flux quantum pulse applied to the respective input port, and annihilate an antifluxon present in the respective dynamic storage loop circuit.

    Superconducting Field-Programmable Gate Array
    4.
    发明公开
    Superconducting Field-Programmable Gate Array 审中-公开

    公开(公告)号：US20240204784A1

    公开(公告)日：2024-06-20

    申请号：US18416806

    申请日：2024-01-18

    申请人： PsiQuantum Corp.

    发明人： Faraz Najafi

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

    CPC分类号： H03K19/195 ,  H03K19/17728 ,  H03K19/17744 ,  H03K19/17784

    摘要： The various embodiments described herein include methods, devices, and systems for operating superconducting circuitry. In one aspect, a programmable circuit includes a configurable superconducting component and control circuitry coupled to the configurable superconducting component. The superconducting component includes an input terminal, an output terminal, and a plurality of gate terminals. The control circuitry is coupled to the superconducting component via the plurality of gate terminals. The control circuitry is adapted to selectively transition portions of the superconducting component from a superconducting state to a non-superconducting state. The control circuitry is configured to operate the superconducting component in a first configuration in which the programmable circuit is configured to perform a first function. The control circuitry is further configured to operate the superconducting component in a second configuration in which the programmable circuit is configured to perform a second function, distinct from the first function.

    Software-defined pulse orchestration platform
    6.
    发明授权
    Software-defined pulse orchestration platform 有权

    公开(公告)号：US11967957B2

    公开(公告)日：2024-04-23

    申请号：US18101763

    申请日：2023-01-26

    申请人： Quantum Machines

    发明人： Yonatan Cohen ,  Nissim Ofek ,  Itamar Sivan ,  Tal Shani

    IPC分类号： H03K3/38 ,  G06N3/04 ,  G06N10/00 ,  H03K19/195

    CPC分类号： H03K3/38 ,  G06N3/04 ,  G06N10/00 ,  H03K19/195

    摘要： A system comprises pulse program compiler circuitry operable to analyze a pulse program that includes a pulse operation statement, and to generate, based on the pulse program, machine code that, if loaded into a pulse generation and measurement circuit, configures the pulse generation and measurement circuit to generate one or more pulses and/or process one or more received pulses. The pulse operation statement may specify a first pulse to be generated, and a target of the first pulse. The pulse operation statement may specify parameters to be used for processing of a return signal resulting from transmission of the first pulse. The pulse operation statement may specify an expression to be used for processing of the first pulse by the pulse generation and measurement circuit before the pulse generation and measurement circuit sends the first pulse to the target.

    Superconducting field-programmable gate array
    7.
    发明授权
    Superconducting field-programmable gate array 有权

    公开(公告)号：US11936380B2

    公开(公告)日：2024-03-19

    申请号：US18118040

    申请日：2023-03-06

    申请人： PsiQuantum Corp.

    发明人： Faraz Najafi

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

    CPC分类号： H03K19/195 ,  H03K19/17728 ,  H03K19/17744 ,  H03K19/17784

    摘要： 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.