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

Journals >Acta Optica Sinica >Volume 40 >Issue 7 >Page 0727002 > Article

Acta Optica Sinica
Vol. 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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DOI: 10.3788/AOS202040.0727002 Cite this Article Set citation alerts

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 Copy Citation Text

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

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Relationship between transmission distance and e1,1(X)

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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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 1. Photon number distribution of HSPS and HPCS

Parameter	P_d	e₀	η_d
Value	3.6×10^-6	0.5	0.145

Table 2. Main simulation parameters

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