量子保密术和保密通信  

Quantum Cryptography and Secure Communications

作　　者：陈志新[1] 唐志列[1] 廖常俊[2] 刘景锋[1] 魏正军[1] 刘颂豪[2] 

机构地区：[1]华南师范大学物理系,广州510631 [2]华南师范大学信息光电子科技学院,广州510631

出　　处：《量子电子学报》2003年第4期385-390,共6页Chinese Journal of Quantum Electronics

基　　金：广州市2001-2-095-01项目

摘　　要：基于量子物理原理的量子密码术已被证明是保密通信中密钥安全分配的有效手段。本文介绍了量子密码的基本原理,探讨了实现量子密码的几种方案,并研究了各自的密钥分配机制。还讨论了量子密码通信的历史发展和指出现存在的问题以及未来的发展前景。Quantum cryptography based on fundmental physical principles has been proved to be an effective technique for secure key distribution.The fundamental theory of quantum cryptography together with their main schemes and protocols is discussed in this paper. Recent improvements of quantum cryptographic communication are analyzed, and the existing problems and development prospect in future are also pointed out.

关 键 词：量子保密术 保密通信 量子物理 密钥安全分配 量子密码 密钥分配机制 测不准原理 EPR关联 量子纠缠 

分 类 号：TN918[电子电信—通信与信息系统]