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相关概念视频

Propagation Speed of Electromagnetic Waves01:30

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Electromagnetic waves are consistent with Ampere's law. Assuming there is no conduction current Ampere's law is given as:
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超高速光学加密,通过时空噪声的裂变使之成为可能.

Jianyang Shi1,2,3,4, Chaoxu Chen1,2,3,4, Haoyu Zhang1,2,3

  • 1College of Future Information Technology, Fudan University, Shanghai, China.

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概括

这项研究引入了使用空间时空噪声和轨道角动量 (OAM) 状态的超高速时间加密. 这种新型系统实现了创纪录的安全传输速率,增强了未来通信网络的光子安全性.

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科学领域:

  • 光学和光子学 在光学和光子学.
  • 信息安全 信息安全
  • 电信 电信服务 电信服务 电信服务

背景情况:

  • 光学加密提供了强大的物理层安全性.
  • 现有的方法受到空间光调节器反应缓慢的阻碍.
  • 对于高速,安全的数据传输的需求正在增长.

研究的目的:

  • 开发一个超高速的时间加密系统.
  • 提高光通信网络的安全性.
  • 为了克服当前空间光调节器技术的局限性.

主要方法:

  • 提出并演示了一个时空噪声制系统.
  • 用于信号和噪声编码的结合轨道角动量 (OAM) 状态.
  • 实施了一个可变重量多式联机OAM (VW-多式联机OAM) 方案与多式联机生成神经网络 (MGNN).

主要成果:

  • 实现了每种模式1.25 Tbps的记录安全传输速率.
  • 证明了时间信号和空间噪声的同时编码.
  • 扩大了关键空间的指数级超出1010.10.
  • 在关键速率空间产品中以五个数量级优于现有方法.

结论:

  • 建立了超快速和安全的光子通信的新范式.
  • 时空噪声制系统显著提高了数据安全性.
  • 基于OAM的加密为下一代安全网络提供了一个有希望的解决方案.