量子密钥分配

量子密钥分配网络是当前国际上研究的热点之一。

The QKD network is one of the research focuses nowadays .

理论上，量子密钥分配可以保证通信过程中密钥的绝对安全性，因此使得传统密码术自惭形秽。

In theory , QKD holds the key to unconditional security in communications , which make the traditional cryptography fell small .

基于W态的量子密钥分配和秘密共享

Quantum Key Distribution and Secret Sharing via W States

提出了利用EPR对通过网络实现的量子密钥分配方案。

A quantum key distribution network scheme using EPR pairs is presented .

本文分析了现有的量子密钥分配（quantumkeydistribution）实验系统并对实际实验系统的安全性给予了研究，最后给出了易于实现量子保密通信网络化的强衰减系统模型。

Practical quantum key distribution systems and their securities are analysed and researched . A heavy attenuation system model easy to realize quantum communication web is put forward in the last .

以EPR纠缠为基础的量子密钥分配

Quantum Cryptography Based on EPR-entanglement

基于GHZ态的重排加密量子密钥分配和一种量子秘密共享协议的安全性

Rearrangement Encryption Based on GHZ State for Quantum Key Distribution Protocal and the Security of a Quantum Secret Sharing

量子密钥分配（QKD）是量子密码学的核心。

Quantum key distribution ( QKD ) is the core of quantum cryptography .

不同于传统的密钥分配，量子密钥分配（QKD）本质上是通信双方（Alice和Bob）利用量子力学原理，在不安全信道上建立共享密钥的密钥协商技术。

Quantum key distribution ( QKD ) is essentially a technology of secret sharing based on quantum mechanics in an insecure public channel between two legitimate communicating parties Alice and Bob .

现实量子密钥分配系统中不完美的单光子源和信道衰减会导致PNS攻击，而诱骗态方案可以很好的应对PNS攻击。

Not perfect single photon source and the channel attenuation in the practical quantum key distribution system will lead to PNS attack , and decoy state scheme can solve PNS attack well .

DSPK量子密钥分配系统的理论研究与分析

Theoretical Research and Analysis of DPSK Quantum Key Distribution System

量子密钥分配（QKD）协议利用单光子固有的量子随机性实现具有无条件安全性的密钥分配，是目前量子信息领域中特别具有现实意义的研究方向。

Quantum key distribution protocol makes use of single photon of quanta-randomicity to achieve unconditioned security key distribution , especially which is the realism significance of research way in quantum information at present .

通过分析量子密钥分配系统传输距离与误码率之间相互关系，给出了理论上理想不等臂M-Z系统与实际系统的最低误码率与传输距离间的关系，以及系统实测传输距离与误码率的关系。

It was shown that the relationship of the minimum BER and transmission length in theory with ideal M-Z interferometer and that with a real M-Z interferometer , and also that of this experiment system .

从光波电磁场方程的TEM10和TEM01模厄米高斯光束出发，推导了自由空间量子密钥分配的单光子捕获概率表达式。

Single-photon acquisition probability is deduced from TEM_ 10 and TEM_ 01 mode Hermite-Gaussian beams of optical electromagnetic field equation .

基于TEM10模拉盖尔-高斯光束，推导自由空间量子密钥分配中单光子捕获概率表达式。

The expressions of single-photon acquisition probability in free-space quantum key distribution were deduced based on TEM10 mode Laguerre-Gaussian beams .

而作为研究重点的量子密钥分配利用了海森堡（Heisenberg）测不准原理和量子不可克隆定律能无条件安全地在通信双方之间实现共享密钥，并能检测到通信过程中的窃听行为。

As the focus of research , Quantum key distribution ( QKD ), which uses Heisenberg uncertainty relation and quantum no-cloning principle , not only ensures the absolute security of communication between sender and receiver , but makes the ability of detecting eavesdropper possible .

EPR量子密钥分配方面，研究了基于EPR纠缠对的复合系统的量子隐形传态的基本原理，量子非局域关联性，BELL基测量，纠缠的特性。

And they can be visually contrasted relatively with the computer simulation graphics . Second , in the field of the EPR protocol , the fundamental principles of quantum teleportation of complex system based on EPR pairs are reviewed , along with non-locality , Bell basis testament and entanglement characteristics .

理论研究表明，对于低轨卫星地面站间量子密钥分配，采用TEM10和TEM01模厄米高斯型高度衰减激光脉冲作为单光子源是可行的。

The theoretical study shows that it is feasible for quantum key distribution between a ground station and a satellite in a low earth orbit to use highly attenuated laser pulses based on TEM_ 10 and TEM_ 01 mode Hermite-Gaussian beams as single-photon sources .

量子密钥分配方案及其信息安全性研究

The Research of Information Security on the Quantum Key Distribution Schemes

量子密钥分配方案的安全性研究及其计算机仿真

Security Analysis and Computer Simulation Based on Quantum Key Distribution Protocols

卫星量子密钥分配已经成为一项全新的开创性研究工作。

Satellite Quantum Key Distribution ( QKD ) is extremely innovative .

相位调制偏振编码的量子密钥分配系统的研究

Quantum Key Distribution System of Polarization States Encoded by Phase Modulation

因此在实际量子密钥分配中，几乎都使用光子作为信息载体。

Almost all the quantum key distribution use photons as the transmitter .

星地量子密钥分配中单光子捕获理论分析

Theoretical analysis of single-photon acquisition in satellite-to-ground quantum key distribution

基于纠缠交换的多方多级量子密钥分配协议

Multi-party multi-level quantum key distribution protocol based on entanglement swapping

量子密钥分配协议在概率克隆/重发攻击下的安全性

The Security of Quantum Key Distribution under Probabilistic Clone / Resend Attack

态关联性不完美条件下诱骗态量子密钥分配。

Research on decoy state quantum key distribution based on state-dependent imperfections .

对称噪声信道下利用多纠缠态实现量子密钥分配

Quantum Key Distribution Using Multi-Entanglement State via Symmetric Noisy Channel

量子密钥分配的出现无疑解决了这一难题。

Quantum key distribution ( QKD ) can perfectly solve this problem .

平衡零拍测量对连续变量量子密钥分配的影响

The effect of balanced homodyne detection on continuous variable quantum key distribution