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Title:
QUANTUM GATE OPTIMIZATION METHOD AND APPARATUS, AND DEVICE AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2022/217854
Kind Code:
A1
Abstract:
A quantum gate optimization method and apparatus, and a device and a storage medium, which relate to the technical field of quantum. The method comprises: acquiring an initialized control outfield corresponding to a quantum gate (210); applying the control outfield to a quantum bit corresponding to the quantum gate, and collecting actual measurement data of the quantum gate, wherein the actual measurement data is used to reflect the actual characteristics of the quantum gate (220); on the basis of the actual measurement data and ideal data, calculating a gradient corresponding to the control outfield (230); and updating the control outfield according to the gradient so as to obtain an updated control outfield, wherein the updated control outfield is applied to the quantum bit corresponding to the quantum gate, so as to optimize the precision of the quantum gate (240). The above quantum gate optimization solution is a closed-loop optimization solution implemented by means of data feedback drive. Combining an optimization algorithm having gradient constraint with actual measurement data realizes a quantum gate optimization solution having both precision and efficiency.

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Inventors:
WU JIANLAN (CN)
YIN YI (CN)
ZONG ZHIWEN (CN)
Application Number:
PCT/CN2021/121487
Publication Date:
October 20, 2022
Filing Date:
September 28, 2021
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Assignee:
SHENZHEN TENCENT COMPUTER SYSTEMS CO LTD (CN)
UNIV ZHEJIANG (CN)
International Classes:
G06F30/398; G06N10/00; G06F111/04
Foreign References:
CN113158615A2021-07-23
CN111369004A2020-07-03
CN112313677A2021-02-02
CN110612540A2019-12-24
US20200327441A12020-10-15
CN202110410057A2021-04-15
Other References:
See also references of EP 4095765A4
Attorney, Agent or Firm:
BEIJING SAN GAO YONG XIN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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