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US Patent 11790259 Systems and methods for tuning capacitance in quantum devices

Patent 11790259 was granted and assigned to D-Wave Systems on October, 2023 by the United States Patent and Trademark Office.

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Contents

Is a
Patent
Patent

Patent attributes

Patent Applicant
D-Wave Systems
D-Wave Systems
Current Assignee
D-Wave Systems
D-Wave Systems
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11790259
Patent Inventor Names
Richard G. Harris
Date of Patent
October 17, 2023
Patent Application Number
16996355
Date Filed
August 18, 2020
Patent Citations
‌
US Patent 7613764 Methods for quantum processing
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US Patent 7843209 Architecture for local programming of quantum processor elements using latching qubits
‌
US Patent 7876248 Systems, methods and apparatus for local programming of quantum processor elements
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US Patent 8008942 Analog processor comprising quantum devices
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US Patent 8018244 Architecture for local programming of quantum processor elements using latching qubits
‌
US Patent 8035540 Systems, methods and apparatus for local programming of quantum processor elements
‌
US Patent 8098179 Systems, methods and apparatus for digital-to-analog conversion of superconducting magnetic flux signals
‌
US Patent 8102185 Systems, devices, and methods for controllably coupling qubits
...
Patent Primary Examiner
‌
Matthew L Reames
CPC Code
‌
G06N 10/40
‌
G06N 10/00
Patent abstract

Quantum processors having qubits with tunable capacitance are provided. The qubits include Josephson junctions shunted by capacitors and are tunably coupled to capacitance loops such that the resonant frequencies of the qubits and capacitance loops avoid entanglement with each other. Methods for tuning the capacitance of such qubits by varying the coupler's coupling strength are provided. These methods include methods for calibrating qubits' capacitance.

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