Single rubidium atom as quantum jump photodetector counts laser photons in 10^10 photons/s sunlight, matches rate-equation model, and achieves 0.5 bits per symbol in noisy channel with 150 probe photons per 10 ms against 1 nW sunlight.
Link budget calculation in optical LEO satellite downlinks with on/off-keying and large signal divergence: A simplified methodology,
2 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
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LEO megaconstellations emit ~250 kg CO2eq per subscriber per year, 6-8 times more than terrestrial 4G mobile broadband.
citing papers explorer
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Detection of photon-level signals embedded in sunlight with an atomic photodetector
Single rubidium atom as quantum jump photodetector counts laser photons in 10^10 photons/s sunlight, matches rate-equation model, and achieves 0.5 bits per symbol in noisy channel with 150 probe photons per 10 ms against 1 nW sunlight.
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Emissions Assessment of Low Earth Orbit (LEO) Broadband Megaconstellations; Starlink, OneWeb and Kuiper
LEO megaconstellations emit ~250 kg CO2eq per subscriber per year, 6-8 times more than terrestrial 4G mobile broadband.