Simulation of underwater optical communication channel based on blue-green laser

Biyao Wang; Xiaochuan Tan; Zhe Li; Shaobo Li; Mingyi Ma; Xiaole Zhang

doi:10.1117/12.2649571

14 October 2022 Simulation of underwater optical communication channel based on blue-green laser

Biyao Wang, Xiaochuan Tan, Zhe Li, Shaobo Li, Mingyi Ma, Xiaole Zhang

Proceedings Volume 12343, 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022); 123431T (2022) https://doi.org/10.1117/12.2649571
Event: 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022), 2022, Qingdao, China

Abstract

Due to the diversity of underwater environments, it is difficult to test the underwater optical communication systems in actual seawater. This letter uses the Monte Carlo model to study channel capacity of underwater optical communications. Matlab is used to analyze the transmission of laser of various wavelengths in different water and the influence of changes in water quality. Furthermore, the influences of seawater type, divergence Angle, transmission distance and beam type on the power received by the receiver are analyzed when blue-green laser is used as the light source. The experiment shows that in the same water quality, with the increase of divergence Angle and transmission distance, the light intensity received by the receiver becomes smaller and smaller and the photon distribution becomes more and more dispersed. Compared with the Gaussian beam, when the attenuation coefficient is small, the energy of the receiving end is more concentrated when flat-top beam is used as the light source.

Citation Download Citation

Biyao Wang, Xiaochuan Tan, Zhe Li, Shaobo Li, Mingyi Ma, and Xiaole Zhang "Simulation of underwater optical communication channel based on blue-green laser", Proc. SPIE 12343, 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022), 123431T (14 October 2022); https://doi.org/10.1117/12.2649571

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KEYWORDS

Monte Carlo methods

Signal attenuation

Receivers

Optical communications

Optical simulations

Photon transport

Absorption

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