Hertz-rate metropolitan quantum teleportation

Si Shen; Chenzhi Yuan; Zichang Zhang; Hao Yu; Ruiming Zhang; Chuanrong Yang; Hao Li; Zhen Wang; You Wang; Guangwei Deng; Haizhi Song; Lixing You; Yunru Fan; Guangcan Guo; Qiang Zhou

doi:10.1038/s41377-023-01158-7

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Hertz-rate metropolitan quantum teleportation

Original Articles

- Hertz-rate metropolitan quantum teleportation
- Light: Science & Applications Vol. 12, Issue 6, Pages: 1001-1009(2023)
- Affiliations：
  
  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
- Author bio：
  
  Qiang Zhou (zhouqiang@uestc.edu.cn)
- Funds：
- DOI：10.1038/s41377-023-01158-7
  CLC：
- Published：30 June 2023，
  
  Published Online：10 May 2023，
  
  Received：28 October 2022，
  
  Revised：11 April 2023，
  
  Accepted：14 April 2023
Scan for full text
Shen, S. et al. Hertz-rate metropolitan quantum teleportation. Light: Science & Applications, 12, 1001-1009 (2023).
DOI：

Shen, S. et al. Hertz-rate metropolitan quantum teleportation. Light: Science & Applications, 12, 1001-1009 (2023). DOI： 10.1038/s41377-023-01158-7.

摘要

Abstract

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

Keywords

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