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    CRYOSTAT WITH A THERMAL SHIELD
    21.
    发明专利
    CRYOSTAT WITH A THERMAL SHIELD 未知

    公开(公告)号：AU2021417883B2

    公开(公告)日：2025-01-30

    申请号：AU2021417883

    申请日：2021-12-30

    Applicant: IBM

    Inventor： GUMANN PATRYK ,  GRENDANIN VALERIO ,  HART SEAN ,  MCKAY DAVID ,  CHOW JERRY ,  ZARSKY DAVID ,  BAUER GILBERT

    IPC: F25D19/00 ,  F25B9/10 ,  F25B9/12 ,  F25B9/14

    Abstract: A cryostat (100), comprising: a thermal shield (210) extending between a thermal stage (141) and a base structure (160) coupled to a bottom plate (116) of an outer vacuum chamber (110), the thermal stage (141) coupled to a top plate (114) of the outer vacuum chamber (110), the thermal shield (210) providing access to a sample mounting surface (430) encompassed within the thermal shield (210) from a region external to the outer vacuum chamber (110) via the top and bottom plates (114, 116) of the outer vacuum chamber (110).

    SUPERCONDUCTING INTERPOSER FOR OPTICAL TRANSDUCTION OF QUANTUM INFORMATION
    25.
    发明专利
    SUPERCONDUCTING INTERPOSER FOR OPTICAL TRANSDUCTION OF QUANTUM INFORMATION 未知

    公开(公告)号：SG11202110214UA

    公开(公告)日：2021-10-28

    申请号：SG11202110214U

    申请日：2020-06-23

    Applicant: IBM

    Inventor： BRONN NICHOLAS ,  BOGORIN DANIELA ,  GUMANN PATRYK ,  HART SEAN ,  OLIVADESE SALVATORE ,  ORCUTT JASON

    IPC: G06F1/20 ,  G06N10/00

    Abstract: A system for optical transduction of quantum information includes a qubit chip including a plurality of data qubits configured to operate at microwave frequencies, and a transduction chip spaced apart from the qubit chip, the transduction chip including a microwave-to-optical frequency transducer. The system includes an interposer coupled to the qubit chip and the transduction chip, the interposer including a dielectric material including a plurality of superconducting microwave waveguides formed therein. The plurality of superconducting microwave waveguides is configured to transmit quantum information from the plurality of data qubits to the microwave-to-optical frequency transducer on the transduction chip, and the microwave-to-optical frequency transducer is configured to transduce the quantum information from the microwave frequencies to optical frequencies.

    SUPERCONDUCTING INTERPOSER FOR THE TRANSMISSION OF QUANTUM INFORMATION FOR QUANTUM ERROR CORRECTION
    26.
    发明专利
    SUPERCONDUCTING INTERPOSER FOR THE TRANSMISSION OF QUANTUM INFORMATION FOR QUANTUM ERROR CORRECTION 未知

    公开(公告)号：SG11202110203UA

    公开(公告)日：2021-10-28

    申请号：SG11202110203U

    申请日：2020-05-21

    Applicant: IBM

    Inventor： BRONN NICHOLAS ,  BOGORIN DANIELA ,  GUMANN PATRYK ,  HART SEAN ,  OLIVADESE SALVATORE

    IPC: G06N10/00 ,  H01L27/18

    Abstract: A system for transmission of quantum information for quantum error correction includes an ancilla qubit chip including a plurality of ancilla qubits, and a data qubit chip spaced apart from the ancilla qubit chip, the data qubit chip including a plurality of data qubits. The system includes an interposer coupled to the ancilla qubit chip and the data qubit chip, the interposer including a dielectric material and a plurality of superconducting structures formed in the dielectric material. The superconducting structures enable transmission of quantum information between the plurality of data qubits on the data qubit chip and the plurality of ancilla qubits on the ancilla qubit chip via virtual photons for quantum error correction.

    Tunable superconducting resonator for quantum computing devices
    27.
    发明专利
    Tunable superconducting resonator for quantum computing devices 未知

    公开(公告)号：AU2020255132A1

    公开(公告)日：2021-09-30

    申请号：AU2020255132

    申请日：2020-03-19

    Applicant: IBM

    Inventor： HART SEAN ,  GUMANN PATRYK

    IPC: G06N10/00

    Abstract: A superconducting coupling device includes a resonator structure. The resonator structure has a first end configured to be coupled to a first device and a second end configured to be coupled to a second device. A gate is positioned proximal to a portion of the resonator structure. The gate is configured to receive a gate voltage and vary a kinetic inductance of the portion of the resonator based upon the gate voltage. The varying of the kinetic inductance induces the resonator structure to vary a strength of coupling between the first superconducting device and the second superconducting device.

    GATE VOLTAGE-TUNABLE ELECTRON SYSTEM INTEGRATED WITH SUPERCONDUCTING RESONATOR FOR QUANTUM COMPUTING DEVICE
    30.
    发明专利
    GATE VOLTAGE-TUNABLE ELECTRON SYSTEM INTEGRATED WITH SUPERCONDUCTING RESONATOR FOR QUANTUM COMPUTING DEVICE 未知

    公开(公告)号：CA3135530A1

    公开(公告)日：2020-10-08

    申请号：CA3135530

    申请日：2020-03-18

    Applicant: IBM

    Inventor： HART SEAN ,  GAMBETTA JAY MICHAEL ,  GUMANN PATRYK

    IPC: H10N60/01 ,  H10N60/80 ,  H10N69/00

    Abstract: A superconducting coupling device includes a resonator structure. The resonator structure has a first end configured to be coupled to a first device and a second end configured to be coupled to a second device. The device further includes an electron system coupled to the resonator structure, and a gate positioned proximal to a portion of the electron system. The electron system and the gate are configured to interrupt the resonator structure at one or more predetermined locations forming a switch. The gate is configured to receive a gate voltage and vary an inductance of the electron system based upon the gate voltage. The varying of the inductance induces the resonator structure to vary a strength of coupling between the first device and the second device.

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