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Experimental Greenberger-Horne-Zeilinger-Type Six-Photon Quantum Nonlocality

Chao Zhang, Yun-Feng Huang, Zhao Wang, Bi-Heng Liu, Chuan-Feng Li, and Guang-Can Guo
Phys. Rev. Lett. 115, 260402 – Published 23 December 2015
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Abstract

Quantum nonlocality gives us deeper insight into quantum physics. In addition, quantum nonlocality has been further recognized as an essential resource for device-independent quantum information processing in recent years. Most experiments of nonlocality are performed using a photonic system. However, until now, photonic experiments of nonlocality have involved at most four photons. Here, for the first time, we experimentally demonstrate the six-photon quantum nonlocality in an all-versus-nothing manner based on a high-fidelity (88.4%) six-photon Greenberger-Horne-Zeilinger state. Our experiment pushes multiphoton nonlocality studies forward to the six-photon region and might provide a larger photonic system for device-independent quantum information protocols.

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  • Received 7 May 2015

DOI:https://doi.org/10.1103/PhysRevLett.115.260402

© 2015 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalGeneral Physics

Authors & Affiliations

Chao Zhang1,2, Yun-Feng Huang1,2,*, Zhao Wang1,2, Bi-Heng Liu1,2, Chuan-Feng Li1,2,†, and Guang-Can Guo1,2

  • 1Key Laboratory of Quantum Information, University of Science and Technology of China, CAS, Hefei 230026, People’s Republic of China
  • 2Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, People’s Republic of China

  • *hyf@ustc.edu.cn
  • cfli@ustc.edu.cn

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Issue

Vol. 115, Iss. 26 — 31 December 2015

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