Theoretical Study of Single-photon Acquisition Based on Hermite-Gaussian Beams
基于厄米-高斯光束的单光子捕获理论研究

Single-photon acquisition probability is deduced from TEM10 and TEM01 mode Hermite-Gaussian beams of optical electromagnetic field equation. Single-photon acquisition is analyzed for the laser links between a ground station and a satellite in a low earth orbit. The theoretical study shows that it is feasible for quantum key distribution between a ground station and a satellite in a low earth orbit to use highly attenuated laser pulses based on TEM10 and TEM01 mode Hermite-Gaussian beams as single-photon sources.