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没有监控信号干扰的实际量子密钥分配协议

Toshihiko Sasaki1, Yoshihisa Yamamoto2, Masato Koashi1

  • 1Photon Science Center, Graduate School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan.

Nature
|May 23, 2014
PubMed
概括

这项研究引入了一种使用非对角状态的新型量子密钥分布 (QKD) 协议. 它提供了安全的通信,提高了效率和容错性,简化了基于激光的QKD实现.

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Propagation of Uncertainty from Random Error00:59

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An experiment often consists of more than a single step. In this case, measurements at each step give rise to uncertainty. Because the measurements occur in successive steps, the uncertainty in one step necessarily contributes to that in the subsequent step. As we perform statistical analysis on these types of experiments, we must learn to account for the propagation of uncertainty from one step to the next. The propagation of uncertainty depends on the type of arithmetic operation performed on...
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