合肥量子通信干线建成贯通

连接中国中部湖北省武汉市和中国东部安徽省合肥市的一条世界领先的量子通信线路，于上周二正式投入运营。

Connecting Wuhan city of Central China's Hubei province and Hefei city of East China's Anhui province, a world-leading quantum communication line was officially put into service last Tuesday.

武汉-合肥干线是中国量子通信网络的重要组成部分，旨在确保华中地区的信息交换安全。

The Wuhan-Hefei trunk line is a major part of China's quantum communication network, designed to secure the information exchange in central China.

得益于这项技术，来自军队、政府、金融和电力部门的用户能够发送信息，确保只有他们和他们的目标受众能够阅读这些信息。

Thanks to the technology, users from the military, government, finance, and electricity sectors are able to send messages in a way that ensures only they and their intended audience can read them.

与传统通信技术相比，该网络具有超高的安全性，并能利用量子光子抵御黑客。

The network, in comparison to traditional communication technologies, features ultra-high security and is able to ward off hackers by using quantum photons.

多年来，中国为发展量子技术作出了巨大的努力。

China has made tremendous efforts in developing quantum technology over the years.

2010年，中国第一个大规模量子通信测试网络开始建设量子通讯干线，并于两年后投入运行。

In 2010, the first large-scale quantum communication test network in China began construction and started operation two years later.

当讨论通信链路的带宽时，一般是指链路上每秒所能传送的比特数，它取决于链路时钟速率和信道编码在计算机网络中又称为线速。中国量子科学实验卫星升空，将首次在太空开展与量子通信和量子计算相关的诸多实验，特别是将打造一张天地一体化的量子通信网。中国量子科学实验卫星升空,将首次在太空开展与量子通信和量子计算相关的诸多实验,特别是将打造一张天地一体化的量子通信网。

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2016 年年底前首条城际远距离量子通信干线“京沪干线”、首条量子通信商用有线干线“杭沪量子商用干线”将交付使用，实现政府、企业、金融机构等通信数据的绝密传输。8月份，我国将发射全球首颗“量子科学实验卫星”，下半年“京沪干线”、“杭沪干线”和“乌镇量子通信城域网”建成，事件催化剂可能激发量子通信的主题投资热情。我们认为量子通信在在保密通信上优势突出，且我国量子通信产研走在全国前列(中科大教授潘建伟、陆朝阳等完成的“多自由度量子隐形传态”名列2015年度欧洲 “物理世界”国际物理学领域的十项重大突破榜首，世界上最长光纤量子通信干线-京沪干线有望于2016年建成使用)，十三五期间国家将在量子通信领域再部署一批体现国家战略的重大科技项目量子通讯干线，我们认为量子通信已到达产业化的拐点。

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