najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2020-11-6-651-658najo-363Research ArticlePHYSICSФИЗИКАOn quantum bit coding by Gaussian beam modes for the quantum key distributionFaleevaM. P.

Kronverkskiy, 49, Saint Petersburg, 197101

PopovI. Y.

Kronverkskiy, 49, Saint Petersburg, 197101

popov1955@gmail.comITMO UniversityRussian Federation202029072025116651–658Copyright © Faleeva M.P., Popov I.Y., 20252025Faleeva M.P., Popov I.Y.Faleeva M.P., Popov I.Y.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/363

This paper deals with possibility of implementation of quantum key distribution algorithm through turbulent atmosphere. Beam wandering is considered as the main perturbation. For description of the density matrix, the Glauber–Sudarshan P-function technique is used. The probabilities of detectors triggering are determined.

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The authors declare that there are no conflicts of interest present.