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世界首条量子保密通信干线——“京沪干线”正式开通

2017-09-29 18:47:52   

图为世界首条量子保密通信干线——“京沪干线”正式开通(记者黄光辉摄)

央广网北京9月29日消息(记者黄光辉)世界首条量子保密通信干线——“京沪干线”正式开通;结合“京沪干线”与“墨子号”的天地链路,我国科学家成功实现了洲际量子保密通信。这标志着我国已构建出天地一体化广域量子通信网络雏形,为未来实现覆盖全球的量子保密通信网络迈出了坚实的一步。

图为“京沪干线”项目首席科学家、中国科学技术大学常务副校长潘建伟院士介绍“京沪干线”项目(记者黄光辉摄)

29日下午,中国科学院院长白春礼一行来到位于北京中关村软件园的国家量子保密通信“京沪干线”北京控制中心暨星地一体管控枢纽,现场听取了“京沪干线”项目首席科学家、中国科学技术大学常务副校长潘建伟院士的工作汇报后,宣布“京沪干线”正式开通。随后,白院长使用量子加密视频会议系统与安徽省省长李国英进行了通话,并向合肥、济南、上海、南山等地的科研人员代表表达了问候,同时在现场通过“墨子号”量子卫星与奥地利地面站的卫星量子通信,与奥地利科学院院长Anton Zeilinger教授进行了世界首次洲际量子保密通信视频通话。在通话中,Zeilinger院长向我国科学家近期在量子通信领域取得的一系列卓越成果表示祝贺,也对进一步加强两国在量子领域的深度合作提出了希望,同时表达了对中国即将到来的国庆节日的衷心祝贺。

图为中科院院长白春礼在“京沪干线”开通仪式上致辞(记者黄光辉摄)

活动期间,白春礼院长指出我国在广域量子通信网络技术方面处于世界领先,并对量子通信在金融领域以及大数据、远程视频会议等业务方面的成功应用表示赞赏。国家发改委、山东省、安徽省、新华社以及各合作参建单位有关领导共同出席了相关活动。

“京沪干线”项目是2013年7月由国家发改委批复立项,由中科院统一领导,中国科学技术大学作为项目建设主体承担,由安徽省、山东省、合肥市和济南市共同配套投资建设并得到了上海市、北京市的大力支持,中国有线电视网络有限公司、山东信息通信技术研究院、中国科大先进技术研究院、中国银行业监督管理委员会等单位协作建设。整个项目建设周期42个月,2016年底完成了全线贯通和星地一体化对接,经过半年多的应用测试和长时间稳定性测试,于2017年8月底在合肥完成了全网技术验收。建成后的“京沪干线”,实现了连接北京、上海,贯穿济南和合肥全长2000余公里的量子通信骨干网络,通过 “墨子号”量子科学实验卫星兴隆地面站与“京沪干线”北京上地中继接入点的连接,真正打通了天地一体化广域量子通信的链路,并通过 “墨子号”量子卫星与奥地利地面站的卫星量子通信,在世界上首次实现了洲际量子通信。

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