相关实验视频
Updated: Jul 6, 2025

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Quasi-light Storage for Optical Data Packets
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使用神经网络进行300公里的光纤通道映射,用于Gb/s物理层密钥分配
Optics letters
|January 9, 2024
概括
这项研究证明了3.07Gb/s无错误的密钥生成速率,用于单向物理层安全密钥分布,使用神经网络在300公里的光纤链路上. 这种方法克服了长途安全通信的传统双向方法的局限性.
科学领域:
- 量子通信是一种量子通信.
- 信息安全信息安全.
- 应用物理学的应用物理学
背景情况:
- 物理层安全密钥分配 (PLSKD) 传统上依赖于双向传输来利用道互惠.
- 长途光纤连接面临着诸如反向散射噪声 (BSN) 和光学放大问题等挑战,降低了PLSKD性能.
- 神经网络 (NN) 提供了一种新的方法,可以精确地绘制通道特征.
研究的目的:
- 调查单向PLSKD对长途光纤连接的可行性.
- 在单向PLSKD系统中证明高关键生成率.
- 分析影响单向PLSKD中通道映射的因素.
主要方法:
- 实施单向物理层安全密钥分发系统.
- 利用神经网络 (NN) 进行精确的通道互惠映射.
- 在300公里的光纤链路上进行实验示范.
主要成果:
- 实现了3.07 Gb/s的最终无错关键生成速率 (KGR).
- 在300公里的光纤链路上成功展示了单向PLSKD.
- 分析了光纤距离,色谱分散,源非线性和BSN对通道映射的影响.
结论:
- 使用NN的单向PLSKD是一种可行的解决方案,用于长途光纤链路中安全的密钥分配.
- 基于NN的通道映射有效地克服了传统双向PLSKD的局限性.
- 该研究通过分析关键的环境和系统因素,为优化PLSKD性能提供了洞察力.
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