通过贝叶斯安基拉辅助过程断层扫描部署了量子链路特性
Optics letters
|April 15, 2025
概括
研究人员使用辅助过程断层扫描 (AAPT) 来分析部署的量子通道. 这种方法证实了在1.6公里的光纤链路上稳定,高保真的量子通信,这对于未来的量子网络至关重要.
科学领域:
- 量子信息科学 量子信息科学
- 量子通信是一种量子通信.
- 实验物理实验物理学
背景情况:
- 大规模的量子网络依赖于高质量的量子通道.
- 量子过程断层扫描对于量化通道性能至关重要.
- 形辅助过程断层扫描 (AAPT) 提供了一种通道表征的方法.
研究的目的:
- 将AAPT应用于部署的光纤量子通道.
- 为了评估1.6公里量子链接的忠实性和稳定性.
- 调查光谱带宽对频道性能的影响.
主要方法:
- 利用带辅助过程断层扫描 (AAPT) 与贝叶斯推理.
- 探测了1.6公里的部署光纤链接,传输着极化纠的光子.
- 采用可控制的光谱过来分析不同的带宽.
主要成果:
- 在24小时的监测期间,实现了97.6%的稳定流程保真率.
- 观察到量子通道忠实度随着光谱带宽,然后高原的增加.
- 证明了稳定的量子通道运行,极化模式分散最小.
结论:
- AAPT是部署量子链接的现场分析的一个有价值的工具.
- 这项研究提供了第一个AAPT对部署量子链路的表征.
- 结果表明,它适合用于基于纠的量子网络开发.
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