用混合物捕获离子寄存器重复的多量子位读取和反
V Negnevitsky1, M Marinelli2, K K Mehta3
1Institute for Quantum Electronics, ETH Zürich, Zürich, Switzerland. nvlad@phys.ethz.ch.
Nature
|November 7, 2018
概括
研究人员使用被困离子进行了序列量子错误校正. 这种方法可以实现稳定的纠和精确的量子比特测量, 这对于量子计算和计量学的进步至关重要.
科学领域:
- 量子信息科学
- 原子物理
- 量子计算
背景情况:
- 对于可扩展的量子计算来说, 量子错误校正至关重要.
- 实验实现需要反复检测和纠正错误.
- 捕获的离子系统在量子比特读取过程中面临交叉和加热的挑战.
研究的目的:
- 在被困离子系统中展示连续的量子错误检测和纠正.
- 使用反控制稳定两个量子位子空间和贝尔状态.
- 开发可扩展的被困离子量子计算和计量方法.
主要方法:
- 使用混合物捕获离子系统与微波量子位和光学量子位.
- 进行了多达50次量子比特相关测量.
- 实现多量子位混合物门用于信息传输和同情冷却以缓解加热.
主要成果:
- 实现了量子比特相关性的连续测量.
- 成功稳定了两个量子位子空间和贝尔状态.
- 在检测过程中证明了同情冷却以减轻加热.
结论:
- 开发的方法对于扩展被困离子量子计算至关重要.
- 这些技术提升了量子状态控制和纠增强的量子计量学.
- 这项工作为强大的量子信息处理提供了途径.
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