Dr Shields's photon detector, however, permits cryptographers to use a phenomenon called quantum entanglement to make a repeater that does not destroy quantum states.

然而，Shields博士的量子探测器使用了一种被称为量子纠缠的现象，可以允许密码专家制造一种不破坏量子态的中继器。

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Weighed Orthogonal Matched Filter detector which is considered as a novel linear multi-user detector is presented by using the ideas from quantum signal processing.

本文通过借鉴量子信号处理的思想，给出了一种新的线性多用户检测器：加权正交匹配滤波检测器。

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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。

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Dr Shields's photon detector, however, permits cryptographers to use a phenomenon called quantum entanglement to make a repeater that does not destroy quantum states.

ECONOMIST: Quantum information technology

By tuning the quantum cascade laser and measuring how much of the infra-red radiation is absorbed on its way to a detector, hazardous gases in between can be identified.

ECONOMIST: Lasers