Study of the Optical Channel Capacity from Information Receivers in the Form of a Silicone Photomultiplier Tube

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Zenevich A. O., Tashmanov E. B., Khatamov B. B., Kochergina O. V.

Abstract

The article investigates the throughput of an optical communication channel with an information receiver in the form of a silicon photomultiplier tube (Si-PMT).As a result, it was found that the highest value of the throughput corresponded to the supply voltage value equal to the breakdown voltage of the Si-PMT. It was also found that the maximum value of the throughput can be obtained for a wavelength of 470 nm. With an increase in the energy exposure of optical pulses from 0 to 0.4 · 1011 J/cm2, an increase in the throughput of the optical communication channel is observed. A further increase in the energy exposure of optical pulses did not lead to an increase in the transmission capacity. It was found that an increase in temperature leads to a decrease in the transmission capacity of the photodetector. the highest value of the throughput in the investigated temperature range was obtained for a temperature of 233 K. The aim of the study is to establish the dependence of the throughput of an optical communication channel on temperature, supply voltage and wavelength of optical radiation. The results obtained can be used in the development of optical communication systems.

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