Abstract

In this paper, we experimentally evaluated the performance of underwater optical communications using 1 Mbit/s on–off keying signals of perfect optical vortices. Perfect optical vortices generated by Fourier transformation of the Bessel–Gaussian beam are propagated through a 2.6 m underwater medium and affected by various water conditions such as stagnant water, water flow, temperature difference, and air bubbles, so beam wander and fluctuation of the signal are studied. Air bubbles have the maximum effect on signal fluctuations and beam wanders. Measurement of the system bit error rate (BER) based on the signal-to-noise ratio (SNR) for these situations matches the results of wandering and fluctuations. The system BER is studied for different values of SNR, and its value is more degraded due to the air bubbles.

© 2018 Optical Society of America

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Corrections

Mahdi Khodadadi Karahroudi, Seyed Ayoob Moosavi, Abolhasan Mobashery, Bahman Parmoon, and Hossein Saghafifar, "Performance evaluation of perfect optical vortices transmission in an underwater optical communication system: publisher’s note," Appl. Opt. 57, 9797-9797 (2018)
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-57-33-9797

23 October 2018: A correction was made to the title.


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Supplementary Material (3)

NameDescription
» Visualization 1       Attenuator decreases the light intensity to show the zeroth diffraction order.
» Visualization 2       Received intensity patterns of the perfect optical vortices affected by various water conditions such as stagnant water, water flow, temperature difference and air bubbles.
» Visualization 3       Effects of underwater conditions such as stagnant water, water flow, temperature difference and air bubbles on the diffracted perfect optical vortices by forked diffraction gratings.

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