Satellite-Relayed Intercontinental Quantum Network

被引:527
作者
Liao, Sheng-Kai [1 ,2 ,3 ]
Cai, Wen-Qi [1 ,2 ,3 ]
Handsteiner, Johannes [4 ,5 ]
Liu, Bo [5 ,6 ]
Yin, Juan [1 ,2 ,3 ]
Zhang, Liang [3 ,7 ]
Rauch, Dominik [4 ,5 ]
Fink, Matthias [5 ]
Ren, Ji-Gang [1 ,2 ,3 ]
Liu, Wei-Yue [1 ,2 ,3 ]
Li, Yang [1 ,2 ,3 ]
Shen, Qi [1 ,2 ,3 ]
Cao, Yuan [1 ,2 ,3 ]
Li, Feng-Zhi [1 ,2 ,3 ]
Wang, Jian-Feng [8 ]
Huang, Yong-Mei [9 ]
Deng, Lei [10 ]
Xi, Tao [11 ]
Ma, Lu [12 ]
Hu, Tai [13 ]
Li, Li [1 ,2 ,3 ]
Liu, Nai-Le [1 ,2 ,3 ]
Koidl, Franz [14 ]
Wang, Peiyuan [14 ]
Chen, Yu-Ao [1 ,2 ,3 ]
Wang, Xiang-Bin [3 ]
Steindorfer, Michael [14 ]
Kirchner, Georg [14 ]
Lu, Chao-Yang [1 ,2 ,3 ]
Shu, Rong [3 ,7 ]
Ursin, Rupert [4 ,5 ]
Scheidl, Thomas [4 ,5 ]
Peng, Cheng-Zhi [1 ,2 ,3 ]
Wang, Jian-Yu [3 ,7 ]
Zeilinger, Anton [4 ,5 ]
Pan, Jian-Wei [1 ,2 ,3 ]
机构
[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
[2] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
[3] Univ Sci & Technol China, Ctr Excellence & Synerget Innovat, Ctr Quantum Informat & Quantum Phys, Chinese Acad Sci, Shanghai 201315, Peoples R China
[4] Univ Vienna, Fac Phys, Vienna Ctr Quantum Sci & Technol, A-1090 Vienna, Austria
[5] Austrian Acad Sci, Inst Quantum Opt & Quantum Informat, A-1090 Vienna, Austria
[6] Natl Univ Def Technol, Sch Comp, Changsha 410073, Hunan, Peoples R China
[7] Chinese Acad Sci, Shanghai Inst Tech Phys, Key Lab Space Act Optoelect Technol, Shanghai 200083, Peoples R China
[8] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
[9] Chinese Acad Sci, Inst Opt & Elect, Key Lab Opt Engn, Chengdu 610209, Sichuan, Peoples R China
[10] Shanghai Engn Ctr Microsatellites, Shanghai 201203, Peoples R China
[11] Xian Satellite Control Ctr, State Key Lab Astronaut Dynam, Xian 710061, Shaanxi, Peoples R China
[12] Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China
[13] Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100080, Peoples R China
[14] Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria
基金
中国国家自然科学基金;
关键词
CRYPTOGRAPHY;
D O I
10.1103/PhysRevLett.120.030501
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We perform decoy-state quantum key distribution between a low-Earth-orbit satellite and multiple ground stations located in Xinglong, Nanshan, and Graz, which establish satellite-to-ground secure keys with similar to kHz rate per passage of the satellite Micius over a ground station. The satellite thus establishes a secure key between itself and, say, Xinglong, and another key between itself and, say, Graz. Then, upon request from the ground command, Micius acts as a trusted relay. It performs bitwise exclusive OR operations between the two keys and relays the result to one of the ground stations. That way, a secret key is created between China and Europe at locations separated by 7600 km on Earth. These keys are then used for intercontinental quantum-secured communication. This was, on the one hand, the transmission of images in a one-time pad configuration from China to Austria as well as from Austria to China. Also, a video conference was performed between the Austrian Academy of Sciences and the Chinese Academy of Sciences, which also included a 280 km optical ground connection between Xinglong and Beijing. Our work clearly confirms the Micius satellite as a robust platform for quantum key distribution with different ground stations on Earth, and points towards an efficient solution for an ultralong-distance global quantum network.
引用
收藏
页数:4
相关论文
共 23 条
  • [1] [Anonymous], 1963, Low-Density Parity-Check Codes
  • [2] [Anonymous], 2017, Physical Review A
  • [3] Bennett C.H., 1984, PROC IEEE INT C COMP, P175, DOI DOI 10.1016/J.TCS.2014.05.025
  • [4] QUANTUM CRYPTOGRAPHY WITHOUT BELL THEOREM
    BENNETT, CH
    BRASSARD, G
    MERMIN, ND
    [J]. PHYSICAL REVIEW LETTERS, 1992, 68 (05) : 557 - 559
  • [5] Limitations on practical quantum cryptography
    Brassard, G
    Lütkenhaus, N
    Mor, T
    Sanders, BC
    [J]. PHYSICAL REVIEW LETTERS, 2000, 85 (06) : 1330 - 1333
  • [6] Metropolitan all-pass and inter-city quantum communication network
    Chen, Teng-Yun
    Wang, Jian
    Liang, Hao
    Liu, Wei-Yue
    Liu, Yang
    Jiang, Xiao
    Wang, Yuan
    Wan, Xu
    Cai, Wen-Qi
    Ju, Lei
    Chen, Luo-Kan
    Wang, Liu-Jun
    Gao, Yuan
    Chen, Kai
    Peng, Cheng-Zhi
    Chen, Zeng-Bing
    Pan, Jian-Wei
    [J]. OPTICS EXPRESS, 2010, 18 (26): : 27217 - 27225
  • [7] QUANTUM CRYPTOGRAPHY BASED ON BELL THEOREM
    EKERT, AK
    [J]. PHYSICAL REVIEW LETTERS, 1991, 67 (06) : 661 - 663
  • [8] Satellite-to-ground quantum key distribution
    Liao, Sheng-Kai
    Cai, Wen-Qi
    Liu, Wei-Yue
    Zhang, Liang
    Li, Yang
    Ren, Ji-Gang
    Yin, Juan
    Shen, Qi
    Cao, Yuan
    Li, Zheng-Ping
    Li, Feng-Zhi
    Chen, Xia-Wei
    Sun, Li-Hua
    Jia, Jian-Jun
    Wu, Jin-Cai
    Jiang, Xiao-Jun
    Wang, Jian-Feng
    Huang, Yong-Mei
    Wang, Qiang
    Zhou, Yi-Lin
    Deng, Lei
    Xi, Tao
    Ma, Lu
    Hu, Tai
    Zhang, Qiang
    Chen, Yu-Ao
    Liu, Nai-Le
    Wang, Xiang-Bin
    Zhu, Zhen-Cai
    Lu, Chao-Yang
    Shu, Rong
    Peng, Cheng-Zhi
    Wang, Jian-Yu
    Pan, Jian-Wei
    [J]. NATURE, 2017, 549 (7670) : 43 - +
  • [9] Liao SK, 2017, NAT PHOTONICS, V11, P509, DOI [10.1038/NPHOTON.2017.116, 10.1038/nphoton.2017.116]
  • [10] Decoy state quantum key distribution
    Lo, HK
    Ma, XF
    Chen, K
    [J]. PHYSICAL REVIEW LETTERS, 2005, 94 (23)