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 …

Turbulence-resilient pilot-assisted self-coherent free-space optical communications using automatic optoelectronic mixing of many modes

R Zhang, N Hu, H Zhou, K Zou, X Su, Y Zhou… - Nature …, 2021 - nature.com
In free-space optical communications that use both amplitude and phase data modulation
(for example, in quadrature amplitude modulation (QAM)), the data are typically recovered …

Photonic lanterns, 3-d waveguides, multiplane light conversion, and other components that enable space-division multiplexing

NK Fontaine, J Carpenter, S Gross… - Proceedings of the …, 2022 - ieeexplore.ieee.org
Four-mode multiplexing and manipulation technologies are reviewed in the context of space-
division multiplexing (SDM) optical communication systems. These are multiplane light …

Experimental phase stabilization of a 397-channel laser beam array via image processing in dynamic noise environment

Q Chang, T Hou, J Long, Y Deng… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
A phase-locking module is firstly validated for coherent beam combining (CBC) systems of
near 400 laser beams in dynamic noise environment. It is based on a 2-dimensional image …

10 kW-level spectral beam combination of two high power broad-linewidth fiber lasers by means of edge filters

F Chen, J Ma, C Wei, R Zhu, W Zhou, Q Yuan, S Pan… - Optics …, 2017 - opg.optica.org
We demonstrated a scheme to spectrally combine two high power, broad-linewidth single
beams using a steep edge filter as the combining element. 10.12 kW combined output …

A community-driven approach to democratize access to satellite ground stations

V Singh, A Prabhakara, D Zhang, O Yağan… - Proceedings of the 27th …, 2021 - dl.acm.org
Should you decide to launch a nano-satellite today in Low-Earth Orbit (LEO), the cost of
renting ground station communication infrastructure is likely to significantly exceed your …

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 …

Multi-aperture all-fiber active coherent beam combining for free-space optical communication receivers

Y Yang, C Geng, F Li, G Huang, X Li - Optics Express, 2017 - opg.optica.org
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 …

Free space optical communication receiver based on a spatial demultiplexer and a photonic integrated coherent combining circuit

V Billault, J Bourderionnet, JP Mazellier… - Optics …, 2021 - opg.optica.org
Atmospheric turbulence can generate scintillation or beam wandering phenomena that
impairs free space optical (FSO) communication. In this paper, we propose and demonstrate …

Multi-aperture Coherent Digital Combining Based on Complex-valued MIMO 2N× 2 Adaptive Equalizer for FSO Communication

N Liu, C Ju, D Wang, D Wang… - Journal of Lightwave …, 2023 - 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 …