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Satellite-Relayed Intercontinental Quantum Network
Liao, Sheng-Kai1,2; Cai, Wen-Qi1,2; Handsteiner, Johannes3,4; Liu, Bo4,5; Yin, Juan1,2; Zhang, Liang2,6; Rauch, Dominik3,4; Fink, Matthias4; Ren, Ji-Gang1,2; Liu, Wei-Yue1,2; Li, Yang1,2; Shen, Qi1,2; Cao, Yuan1,2; Li, Feng-Zhi1,2; Wang, Jian-Feng7; Huang, Yong-Mei8; Deng, Lei9; Xi, Tao10; Ma, Lu11; Hu, Tai12; Li, Li1,2; Liu, Nai-Le1,2; Koidl, Franz13; Wang, Peiyuan13; Chen, Yu-Ao1,2; Wang, Xiang-Bin2; Steindorfer, Michael13; Kirchner, Georg13; Lu, Chao-Yang1,2; Shu, Rong2,6; Ursin, Rupert3,4; Scheidl, Thomas3,4; Peng, Cheng-Zhi1,2; Wang, Jian-Yu2,6; Zeilinger, Anton3,4; Pan, Jian-Wei1,2
Indexed BySCI ; Ei
WOS IDWOS:000423317300004
EI Accession Number20180404669551
AbstractWe 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.
KeywordOrbits Quantum theory Satellite ground stations Satellites
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Cited Times:168[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Hefei National Laboratory for Physical Sciences at the Microscale, Department of Modern Physics, University of Science and Technology of China, Hefei; 230026, China;
2.Chinese Academy of Sciences (CAS) Center for Excellence, Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai; 201315, China;
3.Vienna Center for Quantum Science and Technology, Faculty of Physics, University of Vienna, Vienna; 1090, Austria;
4.Institute for Quantum Optics and Quantum Information, Austrian Academy of Sciences, Vienna; 1090, Austria;
5.School of Computer, National University of Defense Technology, Changsha; 410073, China;
6.Key Laboratory of Space Active Opto-Electronic Technology, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai; 200083, China;
7.National Astronomical Observatories, Chinese Academy of Sciences, Beijing; 100012, China;
8.Key Laboratory of Optical Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China;
9.Shanghai Engineering Center for Microsatellites, Shanghai; 201203, China;
10.State Key Laboratory of Astronautic Dynamics, Xi'An Satellite Control Center, Xi'an; 710061, China;
11.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi; 830011, China;
12.National Space Science Center, Chinese Academy of Sciences, Beijing; 100080, China;
13.Space Research Institute, Austrian Academy of Sciences, Graz; 8042, Austria
Recommended Citation
GB/T 7714
Liao, Sheng-Kai,Cai, Wen-Qi,Handsteiner, Johannes,et al. Satellite-Relayed Intercontinental Quantum Network[J]. PHYSICAL REVIEW LETTERS,2018,120(3):30501.
APA Liao, Sheng-Kai.,Cai, Wen-Qi.,Handsteiner, Johannes.,Liu, Bo.,Yin, Juan.,...&Pan, Jian-Wei.(2018).Satellite-Relayed Intercontinental Quantum Network.PHYSICAL REVIEW LETTERS,120(3),30501.
MLA Liao, Sheng-Kai,et al."Satellite-Relayed Intercontinental Quantum Network".PHYSICAL REVIEW LETTERS 120.3(2018):30501.
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