通过多方混合纠来克服量子传输中的噪音
Zhao-Di Liu1,2, Olli Siltanen3,4, Tom Kuusela3
1CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, China.
Science advances
|May 1, 2024
概括
这项研究引入了一种新的量子远程传输协议,该协议利用非连贯性,而不是对抗它. 这种方法可以实现高保真度,而不需要预先纠的量子比特来进行贝尔状态测量.
科学领域:
- 量子信息科学 量子信息科学
- 量子光学是一种量子光学.
- 量子计算是一种量子计算.
背景情况:
- 量子纠和脱凝是量子技术中的关键因素.
- 量子远程传输通常依赖于纠的量子比特,但容易发生脱凝.
- 现有的协议通常需要最大限度的纠状态,限制实际应用.
研究的目的:
- 提出一种高效的量子远程传输协议,能够抵御纯粹的脱凝.
- 展示一种利用非连贯性来增强传输保真性的方法.
- 为了消除在钟状态测量中纠的资源量子位的要求.
主要方法:
- 利用辅助量子位和它们的本地环境之间的多方混合纠.
- 在开放量子系统的框架内运行.
- 在全光学实验设置中实现协议.
主要成果:
- 在量子传输中实现了高保真度.
- 证明了可以利用非连贯性来改善远程传输结果.
- 成功实现了没有预先纠的量子比特的协议,用于贝尔状态测量.
结论:
- 拟议的协议提供了一种高效和强大的量子远程传输方法.
- 混合纠和受控的脱凝性为先进的量子通信提供了一个可行的途径.
- 这项工作为开发实用的量子技术开辟了新的途径.
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