Invention Grant
- Patent Title: Kinetic inductance for couplers and compact qubits
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Application No.: US17429456Application Date: 2020-02-13
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Publication No.: US12102017B2Publication Date: 2024-09-24
- Inventor: Loren J. Swenson , George E. G. Sterling , Mark H. Volkmann , Colin C. Enderud
- Applicant: D-WAVE SYSTEMS INC.
- Applicant Address: CA Burnaby
- Assignee: D-WAVE SYSTEMS INC.
- Current Assignee: D-WAVE SYSTEMS INC.
- Current Assignee Address: CA Burnaby
- Agency: Cozen O'Connor
- International Application: PCT/US2020/018137 2020.02.13
- International Announcement: WO2020/168097A 2020.08.20
- Date entered country: 2021-08-09
- Main IPC: H10N69/00
- IPC: H10N69/00 ; G06N10/40 ; H10N60/12 ; H10N60/80

Abstract:
A circuit can include a galvanic coupling of a coupler to a qubit by a segment of kinetic inductance material. The circuit can include a galvanic kinetic inductance coupler having multiple windings. The circuit can include a partially-galvanic coupler having multiple windings. The partially-galvanic coupler can include a magnetic coupling and a galvanic coupling. The circuit can include an asymmetric partially-galvanic coupler having a galvanic coupling and a first magnetic coupling to one qubit and a second magnetic coupling to a second qubit. The circuit can include a compact kinetic inductance qubit having a qubit body loop comprising a kinetic inductance material. A multilayer integrated circuit including a kinetic inductance layer can form a galvanic kinetic inductance coupling. A multilayer integrated circuit including a kinetic inductance layer can form at least a portion of a compact kinetic inductance qubit body loop.
Public/Granted literature
- US20220123048A1 KINETIC INDUCTANCE FOR COUPLERS AND COMPACT QUBITS Public/Granted day:2022-04-21
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