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量子保密通信“京沪干线”项目通过技术验收
2017-09-04 21:10:39 中国经济网
经济日报-中国经济网北京9月4日讯(记者 沈慧)记者从中国科学院获悉:国家量子保密通信“京沪干线”项目日前已顺利完成预期技术验证和应用示范任务。这意味着世界首条量子保密通信骨干线路已经具备开通条件,我国在量子技术的实用化和产业化方面继续走在世界前列。
“京沪干线”项目2013年7月由发改委批复立项,在各单位配合下项目组突破了高速量子密钥分发、高速高效率单光子探测、可信中继传输和大规模量子网络管控等系列工程化实现的关键技术。2016年底顺利完成全线贯通,搭建了连接北京、济南、合肥、上海的全长2000余公里的量子保密通信骨干线路,进行了大尺度量子保密通信技术试验验证,开展了远程高清量子保密视频会议系统和其他多媒体跨域互联应用研究,完成了金融、政务领域的远程或同城数据灾备系统、金融机构数据采集等应用示范。
项目组技术人员介绍,2017年以来,“京沪干线”进行了各分系统的应用测试和720小时长时间稳定性测试,测试结果表明系统的各项技术性能指标均达到设计要求,可满足万用户的密钥分发业务需求。此外,京沪干线北京接入点实现了与“墨子号”量子科学实验卫星兴隆地面站的连接,已形成星地一体的广域量子通信网络雏形,大大扩展了京沪干线应用能力。
项目组人员表示,作为一条实用化和商用化的量子通信骨干网络,“京沪干线”未来将向金融、电力、广电、政务等各行业开放,为广大用户提供量子层面的安全服务,从而大力推动以量子创新技术驱动新兴产业和市场发展的战略需求。
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