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Decoy-state reference-frame-independent quantum key distribution with the heralded pair-coherent source

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Abstract

Reference-frame-independent quantum key distribution (RFI-QKD) can generate secure keys without the alignment of reference frames. Here, we propose to realize RFI-QKD with the heralded pair-coherent source (HPCS). Simulation results show that, considering the statistical fluctuations (e.g., the Gaussian distribution assumption of the channel fluctuations), the performance of RFI-QKD with HPCS outperforms that of the weak coherent source.

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Authors and Affiliations

  1. Institute of Quantum Information and Technology, Nanjing University of Posts and Telecommunications, 210003, Nanjing, P.R. China

    Xiang Li, Chenchen Mao, Jianrong Zhu, Chunmei Zhang & Qin Wang

  2. Broadband Wireless Communication and Sensor Network Technology, Key Lab of Ministry of Education, NUPT, 210003, Nanjing, P.R. China

    Xiang Li, Chenchen Mao, Jianrong Zhu, Chunmei Zhang & Qin Wang

  3. Telecommunication and Networks, National Engineering Research Center, NUPT, 210003, Nanjing, P.R. China

    Xiang Li, Chenchen Mao, Jianrong Zhu, Chunmei Zhang & Qin Wang

Authors
  1. Xiang Li
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  2. Chenchen Mao
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  3. Jianrong Zhu
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  4. Chunmei Zhang
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  5. Qin Wang
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Correspondence to Chunmei Zhang or Qin Wang.

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Li, X., Mao, C., Zhu, J. et al. Decoy-state reference-frame-independent quantum key distribution with the heralded pair-coherent source. Eur. Phys. J. D 73, 86 (2019). https://doi.org/10.1140/epjd/e2019-100001-x

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  • DOI: https://doi.org/10.1140/epjd/e2019-100001-x

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