Demonstration of 13 continuous-variable quantum telecloning

Qingwei Wang, Wei Li, Yimiao Wu, Wenxiu Yao, Fan Li, Long Tian, Yajun Wang, and Yaohui Zheng
Phys. Rev. A 104, 032419 – Published 22 September 2021

Abstract

The distribution of the quantum states to remote receivers is an indispensable technology in quantum communication, quantum networks, and quantum information processing. Perfect distribution does not allow any quantum information loss of the distributed quantum state. Quantum telecloning, which is made up of quantum cloning and quantum teleportation, is a remote quantum information distribution protocol. Here, we experimentally demonstrate unconditional 13 quantum telecloning of coherent states, and the fidelities of the cloned states are 0.64±0.01, 0.64±0.01, and 0.49±0.01, respectively. No information about the unknown state is lost during the telecloning process by exploiting the quadripartite entangled modes as an auxiliary resource. Deterministic 13 quantum telecloning has great potential for applications in advanced quantum technology.

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  • Received 19 July 2021
  • Revised 25 August 2021
  • Accepted 3 September 2021

DOI:https://doi.org/10.1103/PhysRevA.104.032419

©2021 American Physical Society

Physics Subject Headings (PhySH)

Quantum Information, Science & Technology

Authors & Affiliations

Qingwei Wang1, Wei Li1, Yimiao Wu1, Wenxiu Yao1, Fan Li1, Long Tian1,2, Yajun Wang1,2, and Yaohui Zheng1,2,*

  • 1State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, People's Republic of China
  • 2Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, People's Republic of China

  • *yhzheng@sxu.edu.cn

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Vol. 104, Iss. 3 — September 2021

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