Coherent free-space optical communications: Opportunities and challenges

FP Guiomar, MA Fernandes, JL Nascimento… - Journal of Lightwave …, 2022 - opg.optica.org
The ever-increasing data rate demand for wireless systems is pushing the physical limits of
standalone radio-frequency communications, thus fostering the blooming of novel high …

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 …

Roadmap on multimode photonics

I Cristiani, C Lacava, G Rademacher… - Journal of …, 2022 - iopscience.iop.org
Multimode devices and components have attracted considerable attention in the last years,
and different research topics and themes have emerged very recently. The multimodality can …

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 …

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 …

Enhanced atmospheric turbulence resiliency with successive interference cancellation DSP in mode division multiplexing free-space optical links

Y Li, Z Chen, Z Hu, DM Benton, AAI Ali… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
We experimentally demonstrate the enhanced atmospheric turbulence resiliency in a 137.8
Gbit/s/mode mode-division multiplexing free-space optical communication link through the …

[HTML][HTML] Aiming for high-capacity multi-modal free-space optical transmission leveraging complete modal basis sets

Z Hu, Y Li, Z Chen, DM Benton, AAI Ali, M Patel… - Optics …, 2023 - Elsevier
Free-space optical (FSO) communication has gained much interest due to its capability of
providing not only a cost-efficient solution where the optical fiber is too expensive or too …

M-QAM transmission over hybrid microwave photonic links at the K-band

DN Nguyen, J Bohata, J Spacil, D Dousek… - Optics express, 2019 - opg.optica.org
Two experimental configurations of a hybrid K-band (25 GHz) microwave photonic link
(MPL) are investigated for seamless broadband wireless access networks. Experimental …

Demonstration of a real-time 14 Tb/s multi-aperture transmit single-aperture receive FSO system with class 1 eye-safe transmit intensity

K Matsuda, M Binkai, S Koshikawa… - Journal of Lightwave …, 2022 - opg.optica.org
To achieve a link budget capable of supporting high capacity free space optical
communication (FSO), a high transmit power is required. However, the transmitter can …

Multi-plane light conversion: a practical tutorial

Y Zhang, NK Fontaine - arXiv preprint arXiv:2304.11323, 2023 - arxiv.org
Multi-plane light conversion (MPLC) has recently been developed as a versatile tool for
manipulating spatial distributions of the optical field through repeated phase modulations …