利用轨迹优化实现快速量子门控制

Q3 Engineering

IFAC-PapersOnLine Pub Date : 2024-01-01 DOI:10.1016/j.ifacol.2024.08.358

Shouliang Hu , Ming Li , Chunlin Chen , Daoyi Dong

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引用次数: 0

摘要

快速量子控制有助于减少未规避干扰的影响，因此在实用量子技术和化学反应中发挥着重要作用。本文没有像标准最优量子控制方法那样优化末端成本，而是将问题表述为轨迹优化问题，并实施顺序二次编程算法来搜索短控制场。其核心思想是最小化累积中间误差，以激励尽早实现所设计的门。Toffoli 门的数值结果证明了所提方法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fast Quantum Gate Control with Trajectory Optimization

Fast quantum control helps reduce the influence of unavoided disturbances and hence plays a vital role in practical quantum technology and chemical reactions. Instead of optimizing the terminal cost like standard optimal quantum control methods, this paper formulates the problem as a trajectory optimization problem, and implements the sequential quadratic programming algorithm to search for short control fields. The core idea is to minimize the cumulative intermediate error to incentivize early achievement of the designed gate. The numerical result on the Toffoli gate demonstrates the effectiveness of the proposed method.

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来源期刊

IFAC-PapersOnLine Engineering-Control and Systems Engineering

CiteScore

1.70

自引率

0.00%

发文量

1122

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