一种健壮的分层城域量子密码网络的现场实验
Field Experiment on a Robust Hierarchical Metropolitan Quantum Cryptography Network
摘要：
本文报道了一个基于市内商业通信光缆的分层城域量子密码网络。七用户网络包括一个四节点骨干网，其中一个节点充当子网网关，一个两用户子网和一个单光纤接入链路，这是由法拉第-迈克耳孙干涉仪设置实现的。本文综合了量子路由器、光开关和可信中继等技术，保证了量子密码网络的可行性和可扩展性。该网络的五个节点位于政府部门，利用量子密钥分发网络产生的安全密钥对这些部门之间传输的即时视频、声音、文本消息和机密文件进行加密。整个实现包括层次化的量子密码通信网络链路和相应的应用软件，向实用的面向用户的高安全级别网络迈进了一大步。
英文摘要：
A hierarchical metropolitan quantum cryptography network upon the inner-city commercial telecom fiber cables is reported in this paper. The seven-user network contains a four-node backbone net with one node acting as the subnet gateway, a two-user subnet and a single-fiber access link, which is realized by the Faraday-Michelson Interferometer set-ups. The techniques of the quantum router, optical switch and trusted relay are assembled here to guarantee the feasibility and expandability of the quantum cryptography network. Five nodes of the network are located in the government departments and the secure keys generated by the quantum key distribution network are utilized to encrypt the instant video, sound, text messages and confidential files transmitting between these bureaus. The whole implementation including the hierarchical quantum cryptographic communication network links and corresponding application software shows a big step toward the practical user-oriented network with high security level.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
