Structured light in turbulence

MA Cox, N Mphuthi, I Nape, N Mashaba… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Optical communication is an integral part of the modern economy, having all but replaced
electronic communication systems. Future growth in bandwidth appears to be on the horizon …

Fiber laser transceiving and wavefront aberration mitigation with adaptive distributed aperture array for free-space optical communications

C Geng, F Li, J Zuo, J Liu, X Yang, T Yu, J Jiang, X Li - Optics Letters, 2020 - opg.optica.org
In this Letter, we propose and demonstrate efficient adaptive optics correction of a
distributed 19-element fiber laser array for both receiving and transmission for the first time …

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 …

Toward practical digital phase alignment for coherent beam combining in multi-aperture free space coherent optical receivers

C Rao, S Cui, Y Tu, K Zhou, D Liu - IEEE Access, 2020 - ieeexplore.ieee.org
In free space optical communication systems, multi-aperture coherent optical receivers
based on digital coherent beam combining (D-CBC) technique can provide exceptionally …

Performance of opportunistic beam selection for OWC system under foggy channel with pointing error

Z Rahman, SM Zafaruddin… - IEEE Communications …, 2020 - ieeexplore.ieee.org
Performance of optical wireless communication (OWC) in outdoor environments can be
significantly degraded due to the fog and pointing errors. In this letter, we consider a multi …

Phase alignment with minimum complexity for equal gain combining in multi-aperture free-space digital coherent optical communication receivers

Y Tu, S Cui, K Zhou, D Liu - IEEE Photonics Journal, 2020 - ieeexplore.ieee.org
Digital coherent combining (DCC) technique can increase the free space optical signal
collection area by combining the signals received by an array of small apertures in a …

Multi-aperture fiber coherent combining system in urban horizontal atmospheric laser link

C Lao, J Sun, Z Lu, J Li, M Xu, H He, R Han, X Cai… - Optics …, 2020 - Elsevier
Multi-aperture receiver with optical combining architecture is an effective approach to
overcome the turbulent atmosphere effect on the performance of the free-space optical …

Performance evaluation of direct-detection coherent receiver array for free-space communications with full-link simulation

Z Yu, R Cai, Z Wu, H He, H Jiang, X Feng, A Zheng… - Optics …, 2020 - Elsevier
Performance of the direct-detection coherent receiver array for free-space optical (FSO)
communications is evaluated with a full-link simulation model. This FSO full-link model (from …

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 …

Influence of atmospheric turbulence on coherent source in a horizontal long-distance laser link

Q Wang, S Yu, Y Zhou, L Tan, J Ma - Optics & Laser Technology, 2020 - Elsevier
In coherent optical communication, the application of linearly polarized light can greatly
improve communication sensitivity and communication capacity. However, when a laser …