Statistical Fluctuation Analysis of Quantum Key Distribution Protocols Based on Heralded Pair Coherent State

Yefeng He; Yankun Zhao; Jiarui Guo; Chunyu Li

doi:10.3788/AOS202040.0727002

Acta Optica Sinica, Volume. 40, Issue 7, 0727002(2020)

Statistical Fluctuation Analysis of Quantum Key Distribution Protocols Based on Heralded Pair Coherent State

Yefeng He^1,3, Yankun Zhao^2、*, Jiarui Guo¹, and Chunyu Li²

Author Affiliations

¹School of Cyberspace Security, Xi′an University of Posts and Telecommunications, Xi′an, shaanxi 710121, China

²School of Communication and Information Engineering, Xi′an University of Posts and Telecommunications, Xi′an, shaanxi 710121, China

³National Engineering Laboratory for Wireless Security, Xi′an University of Posts and Telecommunications, Xi′an, shaanxi 710121, China

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Figures & Tables(6)

Fig. 1. System model of MDI-QKD protocol based on HPCS

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Fig. 2. Relationship between transmission distance and $e_{1,1}^{(X)}$

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Fig. 3. Relationship between key generation rate and transmission distance in symmetric channel

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Fig. 4. Relationship between key generation rate and transmission distance in asymmetric channel

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Table 1. Photon number distribution of HSPS and HPCS
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Table 1. Photon number distribution of HSPS and HPCS
Source Single photon Multi photon Probability of vacuum
HSPS 0.7274 0.2726 1.94×10^-6
HPCS 0.9255 0.0744 4.93×10^-6

Table 2. Main simulation parameters
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Table 2. Main simulation parameters
Parameter P_d e₀ η_d
Value 3.6×10^-6 0.5 0.145

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Yefeng He, Yankun Zhao, Jiarui Guo, Chunyu Li. Statistical Fluctuation Analysis of Quantum Key Distribution Protocols Based on Heralded Pair Coherent State[J]. Acta Optica Sinica, 2020, 40(7): 0727002

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