Coupling efficiency of multimode beam to fiber in atmospheric turbulence

MC Gökçe, Y Baykal, Y Ata - Journal of Quantitative Spectroscopy and …, 2023 - Elsevier
Atmospheric turbulence causes wavefront distortions in the propagated laser beam. By the
beam shaping of the transmitted laser, wavefront distortions can be mitigated effectively. In …

On the performance of multiplexing FSO MIMO links in log-normal fading with pointing errors

MT Dabiri, MJ Saber, SMS Sadough - Journal of Optical …, 2017 - opg.optica.org
In this paper, we employ a spatial multiplexing scheme with M transceivers to increase the
data rate of a free-space optical (FSO) system. In our proposed scheme, each transmitter …

Effect of convergent beam array on reducing scintillation in underwater wireless optical communications with pointing errors

Z Cui, P Yue, X Yi, J Li - Optics Express, 2021 - opg.optica.org
In this paper, we propose the convergent beam array to reduce scintillation induced by
oceanic turbulence in underwater wireless optical communications (UWOCs) between …

Scintillation analysis of multiple-input single-output underwater optical links

MİC Gökçe, Y Baykal - Applied Optics, 2016 - opg.optica.org
Multiple-input single-output (MISO) techniques are employed in underwater wireless optical
communication (UWOC) links to mitigate the degrading effects of oceanic turbulence. In this …

Improving the performance of underwater wireless optical communications by pointing adjustable beam arrays

Z Cui, P Yue, X Yi, J Li - IEEE Transactions on Vehicular …, 2022 - ieeexplore.ieee.org
Considering the limited bandwidth of underwater wireless communications with radio
frequency and acoustic waves and the constant increasing need for underwater high-speed …

Effect of partial coherence on signal-to-noise ratio performance of free space optical communication system in weak turbulence

V Akbucak, G Aymelek, B Yolcu, O Kayam, O Ünal… - Optics …, 2022 - Elsevier
The effect of source coherence on the average signal-to-noise ratio SNR performance of
free space optical communication (FSOC) systems operating in weak atmospheric …

Effect of multi-beam propagation on free-space coherent optical communications in a slant atmospheric turbulence

J Wu, X Ke, SJ Yang, D Ding - Journal of Optics, 2022 - iopscience.iop.org
Based on the multi-beam propagation theory, a mathematic model of log-intensity fluctuation
variance under multi-beam propagation in slant path atmospheric turbulence near the …

Polarization property changes of optical beam transmission in atmospheric turbulent channels

J Zhang, S Ding, A Dang - Applied Optics, 2017 - opg.optica.org
We theoretically analyze and experimentally verify the performance of multiple polarization
parameters in the presence of atmospheric turbulence for a terrestrial optical transmission …

Binary phase shift keying-subcarrier intensity modulation performance in weak oceanic turbulence

MC Gökçe, Y Baykal, Y Ata - Physical Communication, 2019 - Elsevier
The performance analysis of underwater wireless optical communication (UWOC) system
that employs binary phase shift keying-subcarrier intensity modulation (BPSK-SIM) is …

Effects of adaptive optics on bit error rate of M-ary PPM oceanic optical wireless communication systems with aperture averaging in strong turbulence

MC Gökçe, Y Baykal, Y Ata - Laser Physics, 2021 - iopscience.iop.org
Scintillation is the result of oceanic turbulence reducing the bit error rate (BER) performance
of oceanic optical wireless communication (OWC) systems. The scintillation, also known as …