Quantum Interference between Photons and Single Quanta of Stored Atomic Coherence

Xingchang Wang, Jianmin Wang, Zhiqiang Ren, Rong Wen, Chang-Ling Zou, Georgios A. Siviloglou, and J. F. Chen
Phys. Rev. Lett. 128, 083605 – Published 24 February 2022
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Abstract

Essential for building quantum networks over remote independent nodes, the indistinguishability of photons has been extensively studied by observing the coincidence dip in the Hong-Ou-Mandel interferometer. However, indistinguishability is not limited to the same type of bosons. For the first time, we hereby observe quantum interference between flying photons and a single quantum of stored atomic coherence (magnon) in an atom-light beam splitter interface. We demonstrate that the Hermiticity of this interface determines the type of quantum interference between photons and magnons. Consequently, not only the bunching behavior that characterizes bosons is observed, but counterintuitively, fermionlike antibunching as well. The hybrid nature of the demonstrated magnon-photon quantum interface can be applied to versatile quantum memory platforms, and can lead to fundamentally different photon distributions from those occurring in boson sampling.

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  • Received 25 September 2021
  • Accepted 7 February 2022

DOI:https://doi.org/10.1103/PhysRevLett.128.083605

© 2022 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Xingchang Wang1,2, Jianmin Wang1,2, Zhiqiang Ren4, Rong Wen5, Chang-Ling Zou6, Georgios A. Siviloglou1,2,*, and J. F. Chen1,3,†

  • 1Shenzhen Institute for Quantum Science and Engineering and Department of Physics, Southern University of Science and Technology, Shenzhen 518055, China
  • 2International Quantum Academy (SIQA), and Shenzhen Branch, Hefei National Laboratory, Futian District, Shenzhen 518055, China
  • 3Guangdong Provincial Key Laboratory of Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
  • 4State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China
  • 5Key Laboratory of Advanced Transducers and Intelligent Control System of Ministry of Education, College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
  • 6CAS Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, Anhui, China

  • *siviloglouga@sustech.edu.cn
  • chenjf@sustech.edu.cn

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Issue

Vol. 128, Iss. 8 — 25 February 2022

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