Effect of Snowfall on Communication Performance of Satellite Ground Quantum Link

Changchun Xue; Min Nie; Guang Yang; Meiling Zhang; Aijing Sun; Changxing Pei

doi:10.3788/LOP223193

Laser & Optoelectronics Progress, Volume. 60, Issue 23, 2327001(2023)

Effect of Snowfall on Communication Performance of Satellite Ground Quantum Link

Changchun Xue^1、*, Min Nie¹, Guang Yang¹, Meiling Zhang¹, Aijing Sun¹, and Changxing Pei²

¹School of Communications and Information Engineering & School of Artificial Intelligence, Xi'an University of Posts & Telecommunications, Xi'an 710121, Shaanxi, China

²State Key Laboratory of Air-Earth Integrated Service Network, Xidian University, Xi'an 710071, Shaanxi, China

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Fig. 1. Light quantum energy as a function of snowfall intensity and transmission distance

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Fig. 2. Bit flip channel fidelity as a function of snowfall intensity $S$ and $p_{1}$ ( $p_{1}$ is the probability of taking character of $|0〉$ )

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Fig. 3. Phase damping channel fidelity as a function of snowfall intensity $S$ and $p_{1}$

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Fig. 4. Relationship among channel build-up rate, snowfall intensity and fidelity

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Fig. 5. Relationship among snowfall intensity, transmission distance and entanglement

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Fig. 6. Relationship among snowfall intensity, transmission distance and depolarised channel capacity

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Fig. 7. Influence of snow intensity and optical quantum transmission distance on bit flipped channel capacity

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Fig. 8. Influence of snow intensity and optical quantum transmission distance on amplitude damping channel capacity

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Fig. 9. Influence of snow intensity and transmission distance on weighted noise channel capacity

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Table 1. Classification of different snowfall intensities
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Table 1. Classification of different snowfall intensities
Intensity of snowfall Amount of snowfall / $(m m \cdot d^{- 1})$
$S_{1}$ （Little snow） $[0,2.5]$
$S_{2}$ （Moderate snow） $(2.5,5]$
$S_{3}$ （Heavy snow） $(5,10]$
$S_{4}$ （Blizzard） $(10, + \infty)$

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Changchun Xue, Min Nie, Guang Yang, Meiling Zhang, Aijing Sun, Changxing Pei. Effect of Snowfall on Communication Performance of Satellite Ground Quantum Link[J]. Laser & Optoelectronics Progress, 2023, 60(23): 2327001

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