A new experimental set-up for the absolute self-calibration of a single photon detector, i. e. without using a second detector, is presented.
利用光量子纠缠态可实现单光子探测器量子效率的绝对标定，本文介绍了该应用的实验原理，并提出一种新的实验方案，用双光子纠缠态对单光子探测器量子效率进行自绝对标定，即不需要另一个探测器而实现绝对标定。
参考来源 - 光量子纠缠态的制备与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
Firstly, based on the analysis of some implementations of BB84 protocol, we developed a scheme of quantum key distribution by using polarization encoding and only one single photon detector.
首先，在研究BB 84协议各种具体实现方法的基础上，提出了一种基于偏振编码的量子密钥分发方案，该方案仅使用一台单光子探测器。
Focusing collimators were used instead of single collimator to increase the scattering photon flux received by detector.
提出利用聚焦准直器代替单个准直器以达到增大探测器接收到的散射光子通量的目的。
Due to the limit of response speed of the present single-photon detector, the code rate is still too low to come into practical use for the present quantum key distribution (QKD) system.
由于单光子探测器响应速率的限制，目前的量子密钥分配系统的码率很低，限制了它的实际应用。
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