Training-aided joint frame and frequency synchronization for free space optical communication signals with low OSNR

Q Cheng, S Cui, K Zhou, D Liu - Optics Communications, 2020 - Elsevier
In the photon-starving free space optical communication (FSOC) systems the optical signals
received often exhibit a very low OSNR due to the large transmission loss. Thus the digital …

Flexible phase synchronization for wireless optical coherent communication system with adaptive fractionally-spaced blind equalization combined with adaptive …

SP Zhang, LY Tan, J Ma - IEEE Photonics Journal, 2023 - ieeexplore.ieee.org
Wireless optical coherent communication can be used as the backbone supporting
technology of air-space-ground-sea-integrated network. In wireless optical coherent …

Photonic integrated coherent beam combiner based on MMI and the SPGD algorithm

S Jiao, J Qiu, G Zhao, J Wu - Applied Optics, 2024 - opg.optica.org
Atmospheric turbulence severely degrades the optical wavefront of a propagating beam,
which greatly reduces the coupling efficiency of free-space optical (FSO) receivers. Among …

Evaluation of blind diversity combining of severely faded signals for high-speed free-space optical communication under atmospheric turbulence

M Arikawa, Y Ono, T Ito - 2017 European Conference on Optical …, 2017 - ieeexplore.ieee.org
We experimentally evaluated performance of a mode diversity receiver in severe fading
channels of emulated LEO-to-ground link. Digital combining of three modes using adaptive …

Channel correlation and BER performance analysis of coherent optical communication systems with receive diversity over moderate-to-strong non-Kolmogorov …

Y Fu, J Ma, L Tan, S Yu, G Lu - Applied Optics, 2018 - opg.optica.org
In this paper, new expressions of the channel-correlation coefficient and its components (the
large-and small-scale channel-correlation coefficients) for a plane wave are derived for a …

Performance investigation of satellite-to-ground downlink optical communications employing aperture diversity combined with mode diversity

Y Bian, Y Li, D Zheng, T Dong, E Chen, W Li… - Optics …, 2021 - Elsevier
The satellite-to-ground communications systems are a significant part of the future
communications network. Meanwhile, the large capacity is also one of the goals pursued by …

Bayesian approach to coherent combination of single photon beams

A Mikos-Nuszkiewicz, J Paczos, K Banaszek… - arXiv preprint arXiv …, 2024 - arxiv.org
We theoretically investigate the performance of coherent beam combination of two light
beams under relative phase fluctuations in the photon starved regime. We apply a first …

Self-Adaptive Integrated Photonic Receiver for Turbulence Compensation in Free Space Optical Links

AI Martinez, G Cavicchioli, S Seyedinnavadeh… - arXiv preprint arXiv …, 2024 - arxiv.org
In Free Space Optical (FSO) communication systems, atmospheric turbulence distorts the
propagating beams, causing a random fading in the received power. This perturbation can …

Mitigation of scintillation in FSO communication using a temporally and spatially incoherent spectrum-sliced light source

D Lee, V Mai, H Kim - Optics Letters, 2022 - opg.optica.org
We propose and demonstrate a temporally and spatially incoherent spectrum-sliced light
source for scintillation mitigation in free-space optical (FSO) communications. For the …

Ground Receiver Architectures Enabled by Digital Coherent Combining

DJ Geisler, TM Yarnall, CM Schieler, G Lund… - … Networks and Devices, 2018 - opg.optica.org
Ground Receiver Architectures Enabled by Digital Coherent Combining Page 1 NeW4F.1.pdf
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