Research progress of fiber laser coherent combining

G Chao, Y Yan, L Feng, H Guan… - Opto-electronic …, 2018 - oejournal.org
In recent years, the coherent beam combining technique for laser transmission in
atmosphere has been widely investigated, while the study of this technique's application in …

High-rate 256+ Gbit/s laser communications for enhanced high-resolution imaging using space-based very long baseline interferometry (VLBI)

JP Wang, B Bilyeu, D Boroson… - Free-Space Laser …, 2023 - spiedigitallibrary.org
Space-based VLBI imaging can dramatically improve state-of-the-art astronomical radio-
imaging resolution by enabling significantly longer baseline distances and eliminating …

Free-space optical communication based on mode diversity reception using a nonmode selective photonic lantern and equal gain combining

F Wang, C Qiu, M Zhang, G Hu - IEEE Photonics Journal, 2022 - ieeexplore.ieee.org
This paper experimentally investigates the perform-ance of free-space optical (FSO)
communication based on mode diversity reception (MDR) using nonmode selective …

Average signal-to-noise ratio maximization for an intelligent reflecting surface and angle diversity receiver jointly assisted indoor visible light communication system

T Yang, P Wang, G Li, H Wang, S Li, H Shi, H He… - Applied Optics, 2022 - opg.optica.org
The intelligent reflecting surface (IRS) and angle diversity receiver (ADR) jointly assisted
indoor visible light communication (VLC) system is proposed to improve average signal-to …

Automatic turbulence mitigation for coherent free-space optical links using crystal-based phase conjugation and fiber-coupled data modulation

H Zhou, Y Duan, H Song, X Su, Z Zhao, K Zou… - Optics Letters, 2023 - opg.optica.org
There are various performance advantages when using temporal phase-based data
encoding and coherent detection with a local oscillator (LO) in free-space optical (FSO) …

Free-space optical quantum communications in turbulent channels with receiver diversity

R Yuan, J Cheng - IEEE Transactions on Communications, 2020 - ieeexplore.ieee.org
An optical quantum communication system with receiver diversity is proposed for free-space
communication using the optical combining technique and a generalized Kennedy receiver …

Multiple-aperture direct-detection receiver based on maximal ratio combining for FSO communication

MT Nguyen, V Mai, H Kim - IEEE Photonics Technology Letters, 2022 - ieeexplore.ieee.org
Collecting light using multiple small apertures offers a lot of advantages over doing so using
a single large aperture, including the effective mitigation of scintillation under strong …

Bidirectional coherent beam combining and turbulence mitigating by phased fiber laser array in a 2 km atmospheric link

F Zou, Z Pan, J Liu, Z Li, L Pan, R Yang, J Jiang… - Optics & Laser …, 2023 - Elsevier
We first demonstrated bidirectional coherent beam combining and aberrations mitigating
with a 6-aperture phased fiber laser array in urban atmospheric turbulence over 2 km …

Experimental comparison of 3-mode and single-mode coupling over a 1.6-km free-space link

DJ Geisler, TM Yarnall, G Lund… - Free-Space Laser …, 2018 - spiedigitallibrary.org
Free-space optical communications links have the perpetual challenge of coupling light from
free-space to a detector or fiber for subsequent detection. It is especially challenging to …

All-digital timing recovery for free space optical communication signals with a large dynamic range and low OSNR

Y Gu, S Cui, C Ke, K Zhou, D Liu - IEEE Photonics Journal, 2019 - ieeexplore.ieee.org
The free space optical communication (FSOC) signals often exhibit a much larger dynamic
range and much lower OSNR than optical fiber communication signals, due to the large …