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The statistical fluctuation analysis for the measurement-device-independent quantum key distribution with heralded single-photon sources

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Abstract

In this paper, we carry out statistical fluctuation analysis for the new proposed measurement-device-independent quantum key distribution with heralded single-photon sources and further compare its performance with the mostly often used light sources, i.e., the weak coherent source. Due to a significantly lower probability for events with two photons present on the same side of the beam splitter in former than in latter, it gives drastically reduced quantum bit error rate in the X basis and can thus show splendid behavior in real-life implementations even when taking statistical fluctuations into account.

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Notes

  1. Here the value of the coefficienct \(\gamma \) is dependent on \(\varepsilon \), e.g., \({\gamma }=5.3\) when \(\varepsilon =10^{-7}\), see Ref. [22]

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Acknowledgments

We gratefully acknowledge the financial support from the National Natural Science Foundation of China through Grant Nos. 11274178, 11311140250, 61475197, 61590932, the Natural Science Foundation of the Jiangsu Higher Education Institutions through Grant No. 15KJA120002, the Outstanding Youth Project of Jiangsu Province through Grant No. BK20150039 and the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions Grant No. YX002001.

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Authors and Affiliations

  1. Institute of Signal Processing Transmission, Nanjing University of Posts and Telecommunications, Nanjing, 210003, China

    Xing-Yu Zhou, Chun-Hui Zhang, Guang-Can Guo & Qin Wang

  2. Key Lab of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education, Nanjing, 210003, China

    Xing-Yu Zhou, Chun-Hui Zhang & Qin Wang

  3. Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei, 230026, China

    Guang-Can Guo & Qin Wang

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  1. Xing-Yu Zhou
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  2. Chun-Hui Zhang
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Correspondence to Qin Wang.

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Zhou, XY., Zhang, CH., Guo, GC. et al. The statistical fluctuation analysis for the measurement-device-independent quantum key distribution with heralded single-photon sources. Quantum Inf Process 15, 2455–2464 (2016). https://doi.org/10.1007/s11128-016-1279-y

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  • DOI: https://doi.org/10.1007/s11128-016-1279-y

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