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22 November 2024 Impact of wind conditions on free space satellite to ground quantum communications link
Elizabeth Eso, Cameron Simmons, Ross Donaldson
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Proceedings Volume 13194, Environmental Effects on Light Propagation and Adaptive Systems VII; 131940S (2024) https://doi.org/10.1117/12.3034953
Event: Remote Sensing, 2024, Edinburgh, United Kingdom
Abstract
Free space quantum key distribution has attracted considerable interest over recent years. This interest arises from its global coverage potential through satellite platforms, longer link spans compared to optical fibres and applicability in challenging terrains. However, free space links face challenges, notably adverse effects of weather conditions like turbulence, wind, rain, background light and fog being major problems. Hence, this study focuses on examining the impact of wind conditions on satellite-to-ground quantum key distribution links, a topic underexplored in the existing literature. We investigate through simulation and evaluate how different wind conditions impact the transmission of light beams through the atmosphere considering a satellite to ground link scenario. We evaluate crucial quantum key distribution performance metrics such as the secret key rates and quantum bit error rates for satellite-to-ground systems over different wind conditions and optical ground station altitudes. Through this study, we provide valuable insights into the impact of varying wind conditions and optical ground station altitudes on free space quantum key distribution links.
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Elizabeth Eso, Cameron Simmons, and Ross Donaldson "Impact of wind conditions on free space satellite to ground quantum communications link", Proc. SPIE 13194, Environmental Effects on Light Propagation and Adaptive Systems VII, 131940S (22 November 2024); https://doi.org/10.1117/12.3034953
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KEYWORDS
Free space
Satellites
Quantum based satellite communication
Satellite communications
Satellite to ground quantum key distribution
Free space optics
Quantum light
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