A scheme of optical network for quantum cryptography based on wavelength division multiplexing
首发时间:2015-12-28
Abstract:In this paper we present a scheme of optical network for quantum cryptography based on wavelength division multiplexing. It allows for a simple, cost-effective and reliable deployment and accomplishes time division multiplexing at the same time. The way of phase encoding and polarization measurement is also vertified. The wavelngth of the pulse is 1550nm. A high visibility of 96.96% is obtained. The visibility of this system can be maintained perpetually without any adjustment to the system every time we test the system.
keywords: quantum optics multi-user wavelength division multiplexing QKD
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一种基于波分复用器的光网络量子秘钥分发方案
摘要:本文提出一种基于波分复用器的光网络多方量子秘钥分发方案,利用波分复用器和四端口偏振分束器实现了Alice和多个Bob的通信。成本低,结构简单,易于操作.并且通过光纤产生不同的延时,在实现波分复用的同时实现了时分复用. 同时本文提出了相位调制偏振检测的方法,并且实验得到了验证.实验中心波长1550nm,可见度达到96.96%,且可长时间保持稳定。
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No.4671361112390914****
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