Atmospheric implementation of superdense coding quantum algorithm
DOI:
https://doi.org/10.33910/2687-153X-2022-3-4-186-201Keywords:
quantum channel, dense coding, entanglement, atmosphere, modelAbstract
We consider the properties of a quantum communication channel in open space using the superdense coding algorithm as an example. We studied the theoretical model of the installation that implements this algorithm, and identified the main factors affecting the quality of the model. Among them is the atmospheric transmittance, the efficiency of detectors, and the average value of the number of noise counts caused by background radiation and dark counts. We made a complete calculation of the installation model and obtained explicit results. These results were analyzed using realistic parameters of detectors and the atmosphere. It was found that the atmospheric turbulence instability, detectors efficiency and the average value of noise counts have the greatest influence on the results.
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Copyright (c) 2022 Bogdan A. Timchenko, Maria P. Faleeva, Pavel A. Gilev, Irina V. Blinova, Igor Yu. Popov
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