Asymmetric-Channel Quantum Key Distribution Based on Heralded Single-Photon Sources

He Yefeng; Song Chang; Li Dongqi; Kang Danna

doi:10.3788/AOS201838.0327001

Journals >Acta Optica Sinica >Volume 38 >Issue 3 >Page 327001 > Article

Acta Optica Sinica
Vol. 38, Issue 3, 327001 (2018)

Asymmetric-Channel Quantum Key Distribution Based on Heralded Single-Photon Sources

He Yefeng^1、2, Song Chang^2、*, Li Dongqi², and Kang Danna²

Author Affiliations

¹[in Chinese]

²[in Chinese]

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DOI: 10.3788/AOS201838.0327001 Cite this Article Set citation alerts

He Yefeng, Song Chang, Li Dongqi, Kang Danna. Asymmetric-Channel Quantum Key Distribution Based on Heralded Single-Photon Sources[J]. Acta Optica Sinica, 2018, 38(3): 327001 Copy Citation Text

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Fig. 1. System model of HSPS MDI-QKD

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Fig. 2. Relationship between mean-photon number and channel transmission loss

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Fig. 3. Relationship between unilateral transmission efficiency and channel transmission loss

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Fig. 4. Relationship between key generation rate and channel transmission loss

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Base	Project on \|ψ^->	Project on \|ψ⁺>
Z base	Bit-flip	Bit-flip
X base	Bit-flip	No change

Table 1. Bit-flipped operation[15]

Parameter	e₀	$\begin{matrix} {e_{d}}_{} \end{matrix}$ /%	P_d	f'	$\begin{matrix} {η_{d}}_{} \end{matrix}$ /pulse^-1
Value	0.5	1.5	3×10^-6	1.16	0.3

Table 2. Numerical simulation parameters

He Yefeng, Song Chang, Li Dongqi, Kang Danna. Asymmetric-Channel Quantum Key Distribution Based on Heralded Single-Photon Sources[J]. Acta Optica Sinica, 2018, 38(3): 327001

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