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Secure key distribution based on bidirectional Michelson interferometers

机译:基于双向迈克尔逊干涉仪的安全密钥分布

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摘要

A scheme based on bidirectional Michelson interferometers to distribute secret keys through the phase of light wave is proposed and demonstrated. The structure uses two optical cable transmission schemes, lasers of short coherent length, random phase drift, polarization random disturbance, and vibration positioning technology to ensure the safe transmission of the secret key. The feasibility of 80 km secret key transmission is verified by experiments. When the secret key is transmitted at the frequency of 200 kHz, the bit error rate is less than 0.3%, and the disturbance positioning accuracy is within +/- 100 m. (C) 2021 Optical Society of America
机译:提出并论证了一种基于双向迈克尔逊干涉仪的密钥分配方案。该结构采用两种光缆传输方案,短相干长度激光器、随机相位漂移、偏振随机干扰和振动定位技术,确保密钥的安全传输。通过实验验证了80km密钥传输的可行性。当秘密密钥以200 kHz的频率传输时,误比特率小于0.3%,干扰定位精度在美国±100米(C)2021光学学会内。

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  • 来源
    《Optics Letters》 |2021年第10期|共4页
  • 作者单位

    Fudan Univ Fiber Opt Res Ctr Dept Mat Sci Shanghai 200433 Peoples R China;

    Fudan Univ Fiber Opt Res Ctr Dept Mat Sci Shanghai 200433 Peoples R China;

    Fudan Univ Fiber Opt Res Ctr Dept Mat Sci Shanghai 200433 Peoples R China;

    Fudan Univ Fiber Opt Res Ctr Dept Mat Sci Shanghai 200433 Peoples R China;

    Fudan Univ Fiber Opt Res Ctr Dept Mat Sci Shanghai 200433 Peoples R China;

    Fudan Univ Fiber Opt Res Ctr Dept Mat Sci Shanghai 200433 Peoples R China;

    Fudan Univ Fiber Opt Res Ctr Dept Mat Sci Shanghai 200433 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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