Hertz-rate metropolitan quantum teleportation

查看全文 作　　者：Si [1]Shen;Chenzhi [1]Yuan;Zichang [1]Zhang;Hao [1]Yu;Ruiming [1]Zhang;Chuanrong [1]Yang;Hao [2]Li;Zhen [2]Wang;You [1,3]Wang;Guangwei [1,4]Deng;Haizhi [1,3]Song;Lixing [2]You;Yunru [1]Fan;Guangcan [1,4]Guo;Qiang [1,4]Zhou

机构地区：[1]Institute of Fundamental and Frontier Sciences,University of Electronic Science and Technology of China,Chengdu 610054,China;[2]Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences,Shanghai 200050,China;[3]Southwest Institute of Technical Physics,Chengdu 610041,China;[4]CAS Key Laboratory of Quantum Information,University of Science and Technology of China,Hefei 230026,China

出　　处：《Light(Science & Applications)》索引2023年第12卷第6期,共9页

基　　金：This work was supported by the National Key Research and Development Program of China(Nos.2018YFA0307400,2018YFA0306102);National Natural Science Foundation of China(Nos.61775025,91836102,U19A2076,62005039);Innovation Program for Quantum Science and Technology(No.2021ZD0301702);Sichuan Science and Technology Program(Nos.2021YFSY0066,2021YFSY0062,2021YFSY0063,2021YFSY0064,2021YFSY0065).The authors thank X.X.H,Y.X.L and L.B.Z from the Information Center of the University of Electronic Science and Technology of China(UESTC)for providing access to the campus fiber network and for the help during the experiment. 摘　　要：Quantum teleportation can transfer an unknown quantum state between distant quantum nodes,which holds great promise in enabling large-scale quantum networks.To advance the full potential of quantum teleportation,quantum states must be faithfully transferred at a high rate over long distance.Despite recent impressive advances,a high-rate quantum teleportation system across metropolitan fiber networks is extremely desired.Here,we demonstrate a quantum teleportation system which transfers quantum states carried by independent photons at a rate of 7.1±0.4 Hz over 64-km-long fiber channel.An average single-photon fidelity of≥90.6±2.6%is achieved,which exceeds the maximum fidelity of 2/3 in classical regime.Our result marks an important milestone towards quantum networks and opens the door to exploring quantum entanglement based informatic applications for the future quantum internet. 关键词：QUANTUM holds DESIRED

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Hertz-rate metropolitan quantum teleportation

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