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公开(公告)号：GB2569487B
公开(公告)日：2022-01-12
申请号：GB201904730
申请日：2017-11-09
Applicant: IBM
Inventor： BALEEGH ABDO , JERRY CHOW
Abstract: A technique relates to qubit drive and readout. A first lossless microwave switch is connected to a quantum system. A second lossless microwave switch is connectable to the first lossless microwave switch. A quantum-limited amplifier is connectable to the second lossless microwave switch.
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Patent Agency Ranking
公开(公告)号：GB2598059B
公开(公告)日：2022-05-18
申请号：GB202115090
申请日：2017-11-09
Applicant: IBM
Inventor： BALEEGH ABDO , JERRY CHOW
Abstract: A technique relates to qubit drive and readout. A first lossless microwave switch is connected to a quantum system. A second lossless microwave switch is connectable to the first lossless microwave switch. A quantum-limited amplifier is connectable to the second lossless microwave switch.
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公开(公告)号：GB2526477B
公开(公告)日：2016-07-13
申请号：GB201515685
申请日：2014-01-21
Applicant: IBM
Inventor： DAVID WILLIAM ABRAHAM , JAY GAMBETTA , JERRY CHOW , ANTONIO CORCOLES
IPC: G06N99/00
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公开(公告)号：GB2598059A
公开(公告)日：2022-02-16
申请号：GB202115090
申请日：2017-11-09
Applicant: IBM
Inventor： BALEEGH ABDO , JERRY CHOW
Abstract: A system for qubit drive and readout comprises: a lossless, e.g. superconducting, microwave signal distributer and a lossless, e.g. superconducting, microwave switch connected to a quantum system. A first input is connectable to the signal distributer. A second input is connectable to the switch. The first input is configured to read out qubit state from the quantum system via the lossless microwave signal distributor. The system may further comprise a first circulator to connect the first input and a quantum-limited amplifier to the signal distributer. A second circulator may be provided to connect the second input and a load dump to the microwave switch. The quantum system may include qubits each connected individually to its own readout resonator at its own port, each qubit having a qubit frequency, all of the qubits may be driven by the microwave switch and read via the signal distributor. A microwave signal combiner may also be connected to the quantum system and the first input may read out the qubit state via the signal combiner as well as the signal distributor. The signal combiner may comprise an amplifier.
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公开(公告)号：GB2569487A
公开(公告)日：2019-06-19
申请号：GB201904730
申请日：2017-11-09
Applicant: IBM
Inventor： BALEEGH ABDO , JERRY CHOW
IPC: H03F19/00
Abstract: A system for qubit drive and readout comprises a first lossless microwave switch connected to a quantum system. A second lossless microwave switch is connectable to the first lossless microwave switch. A quantum-limited amplifier is connectable to the second lossless microwave switch.
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公开(公告)号：GB2528196B
公开(公告)日：2018-03-21
申请号：GB201516760
申请日：2014-01-21
Applicant: IBM
Inventor： JERRY CHOW , JAY GAMBETTA , SETH MERKEL , CHAD TYLER RIGETTI , MATTHIAS STEFFEN
IPC: H01L49/02 , G06N99/00 , H03K19/195
Abstract: A device includes a housing, at least two qubits disposed in the housing and a resonator disposed in the housing and coupled to the at least two qubits, wherein the at least two qubits are maintained at a fixed frequency and are statically coupled to one another via the resonator, wherein energy levels |03> and |12> are closely aligned, wherein a tuned microwave signal applied to the qubit activates a two-qubit phase interaction.
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