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Quantum gate optimization method and device, equipment and storage medium

An optimization method, quantum gate technology, applied in the quantum field, can solve the problems of not taking into account the accuracy and efficiency, and achieve the effect of ensuring the optimization effect and accuracy, reducing the cost of optimization, and taking into account the accuracy and efficiency

Active Publication Date: 2021-07-23
SHENZHEN TENCENT COMP SYST CO LTD +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, for the optimization of quantum gates, there is no solution that balances precision and efficiency.

Method used

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  • Quantum gate optimization method and device, equipment and storage medium
  • Quantum gate optimization method and device, equipment and storage medium
  • Quantum gate optimization method and device, equipment and storage medium

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Embodiment Construction

[0027] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0028] Before introducing and describing the embodiments of the present application, some nouns involved in the present application are firstly explained.

[0029] 1. Quantum Computing (Quantum Computing, QC): A new type of computing method that uses quantum state superposition and entanglement phenomena in quantum mechanics to run algorithms and perform calculations.

[0030] 2. Quantum bit (Qubit): A two-level quantum system is the basic unit of quantum computing and can be realized on different physical carriers.

[0031] 3. Superconducting Quantum bit (SC Qubit): A qubit based on a superconducting quantum circuit designed and fabricated using micro-nano processing technology. The control of superconducting qubits and the mea...

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Abstract

The invention discloses a quantum gate optimization method and device, equipment and a storage medium, and relates to the technical field of quantum. The method comprises the following steps: acquiring an initialized control external field corresponding to a quantum gate; applying a control external field to quantum bits corresponding to the quantum gate, collecting actual measurement data of the quantum gate, wherein the actual measurement data are used for reflecting actual characteristics of the quantum gate; calculating a gradient corresponding to the control external field based on the actual measurement data and the ideal data; updating the control external field according to the gradient, wherein the updated control external field is used for being applied to a quantum bit corresponding to the quantum gate so as to optimize the precision of the quantum gate. The quantum gate optimization scheme provided by the invention is a closed-loop optimization scheme realized by utilizing data feedback driving, and the quantum gate optimization scheme considering both precision and efficiency is realized by combining an optimization algorithm with gradient constraint with actual measurement data.

Description

technical field [0001] The embodiments of the present application relate to the field of quantum technology, and in particular to a quantum gate optimization method, device, equipment, and storage medium. Background technique [0002] Quantum gates are the basic components of quantum circuits. By combining multiple quantum gates, complex quantum circuits can be constructed to achieve quantum computing and quantum simulation. Therefore, the realization of high-precision quantum gates plays a vital role in quantum computing and quantum simulation. [0003] At present, for the optimization of quantum gates, there is no solution that balances precision and efficiency. Contents of the invention [0004] Embodiments of the present application provide a quantum gate optimization method, device, equipment, and storage medium, and realize a quantum gate optimization scheme that takes both precision and efficiency into consideration. Described technical scheme is as follows: [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/398G06N10/00G06F111/04
CPCG06F30/398G06N10/00G06F2111/04G06N10/20G06N10/40G06N10/70G06F11/3003G06F30/337G06N10/60B82Y10/00
Inventor 吴建澜尹艺宗志文
Owner SHENZHEN TENCENT COMP SYST CO LTD
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