With adaptive-optics pre-compensation and optimistic detector parameters, GEO-satellite TF-QKD and MP-QKD can reach hundreds of bit/s with 1 m ground telescopes, falling to 17 bit/s with current space detectors and positive key rates at 20 cm only for idealized detectors.
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Analysis of untrusted-node quantum key distribution from a geostationary satellite
With adaptive-optics pre-compensation and optimistic detector parameters, GEO-satellite TF-QKD and MP-QKD can reach hundreds of bit/s with 1 m ground telescopes, falling to 17 bit/s with current space detectors and positive key rates at 20 cm only for idealized detectors.