量子密钥分发

高稳定的差分相位编码量子密钥分发系统

A highly stable differential phase shift key distribution QKD system

这是一套复杂的系统，国内的量子密钥分发发展不够，其配套电子学是其中一个很大的制约因素。

The lack of proper electronics is one reason for the lag of QKD developments of our country .

量子密钥分发（quantumkeydistribution，QKD）是量子密码研究的重点，可以为通信者提供安全的共享密钥。

Quantum key distribution ( QKD ) is a very important topic and application of quantum cryptography , which can make the communicators share secure key .

在差分法基础上提出了一种改进的差分相位编码量子密钥分发（QKD）方案。

We propose and demonstrate an improved differential phase shift key distribution scheme .

理论分析了基于平衡零拍探测的四态分离调制相干态连续变量量子密钥分发方案的两种模型，它们是制备与测量模型和EPR纠缠模型。

Two models of four-state discrete modulation coherent state continuous variable quantum key distribution are analyzed in theory . They are prepare-and-measure model and Entanglement-based model .

光纤色散与损耗对光量子密钥分发系统的影响

The influence of dispersion and loss on quantum key distribution system

连续变量量子密钥分发系统中调制器驱动设计

Design of Electro-Optic Modulator Drive Module in Continuous-Variable Quantum Key Distribution

基于双偏振分束器的量子密钥分发系统

A quantum key distribution system based on two polarization beam splitters

抵抗多次拦截攻击的量子密钥分发中的身份认证

Identity Verification in Quantum Key Distribution for Resisting Attack of Multi-Time Interceptions

基于信道估计的自适应连续变量量子密钥分发方法

Adaptive continuous variable quantum key distribution based on channel estimation

基于微弱相干脉冲稳定差分相位量子密钥分发

Stable differential-phase-shift quantum key distribution based on weak coherent pulses

量子密钥分发网方案的改进设计

Scheme design and improvement of quantum key distribution network

大气传播特性对量子密钥分发性能的影响研究

Effects of the propagation characteristic of atmosphere on performance of quantum key distribution

自由空间量子密钥分发中信号发生与处理方案

A scheme for random signal production and processing in free-space quantum key distribution

光纤量子密钥分发系统中窄脉冲激光源的研制

Development of a Narrow-Pulse Laser in the Optical Fiber Quantum Key Distribution System

量子密钥分发系统中的光子统计

Applications of Photon Statistics for Quantum Key Distribution

长距离长期稳定的量子密钥分发系统

A stable long-distance quantum key distribution system

多输入多输出量子密钥分发信道容量研究

Capacity of multiple-input-multiple-output quantum key distribution channels

对量子密钥分发协议的一点看法

A View on Quantum Key Distribution Protocol

量子密钥分发中的验证方案

Authentication in Quantum Key Distribution

理论上，量子密钥分发可以带来绝对安全的保密通信。

In principle , quantum key distribution ( QKD ) can be used to make unconditionally secure private communication .

实际量子密钥分发系统使用的单光子源主要是由弱激光脉冲经衰减得到。

The single-photon sources used in most of the practical QKD systems are obtained through attenuating the weak laser pulse .

然而量子密钥分发系统的实验条件还无法达到理论要求，从而影响了量子密钥分发方案的实际安全性。

But now the experimental conditions can not satisfy the theory requirements , the security of the QKD is seriously affected .

在此基础上几乎所有的量子密钥分发协议都可以同时进行身份认证。

Based on this , almost all Quantum Key Distribution ( QKD ) protocols can do authentication at the same time .

然而，现存的量子密钥分发协议仅仅能够产生随机的密钥，却不能完成预先确定性密钥的分发工作。

However , the existing QKD protocols can only generate a random secret key instead of distributing the previously deterministic key .

所以当前在理论和实验上寻找单光子源已经成为推动量子密钥分发进一步发展的重要课题之一。

Therefore , theoretically and experimentally researching on single photon source becomes a crucial task for the further development of QKD .

在随机信号产生及数据采集子系统中，实现了多路随机信号产生发送及多路数据同时采集；独立设计了量子密钥分发的数据处理子系统；

In the subsystem of random signal generation and data acquisition , we realize the four random signals generation and acquisition simultaneously .

量子密钥分发系统中，原始密钥后期处理过程中所采用的纠错算法对密钥生成率有很大的影响。

In quantum key distribution systems , error reconciliation algorithm used in post-processing procedures has great influence on the key generation rate .

这样的一个纠缠光子源可以运用到量子密钥分发系统中，所产生的误码率可小于6%。

Such a system can be used as the source of quantum key distribution system with a bit error rate less than 6 % .

探测技术也是量子密钥分发系统的关键技术之一，对量子密钥生成率也有很大的影响。

Detecting technology is one of the most important technologies in quantum key distribution system , and has great influence on key generation rate .