[HTML][HTML] Orbital angular momentum of light for communications

AE Willner, K Pang, H Song, K Zou, H Zhou - Applied Physics Reviews, 2021 - pubs.aip.org
Structured light, especially beams carrying orbital angular momentum (OAM), has gained
much interest due to its unique amplitude and phase structures. In terms of communication …

Symmetry and quantum features in optical vortices

DL Andrews - Symmetry, 2021 - mdpi.com
Optical vortices are beams of laser light with screw symmetry in their wavefront. With a
corresponding azimuthal dependence in optical phase, they convey orbital angular …

[HTML][HTML] Perspectives on advances in high-capacity, free-space communications using multiplexing of orbital-angular-momentum beams

AE Willner, Z Zhao, C Liu, R Zhang, H Song, K Pang… - Apl Photonics, 2021 - pubs.aip.org
Beams carrying orbital-angular-momentum (OAM) have gained much interest due to their
unique amplitude and phase structures. In terms of communication systems, each of the …

Demonstration of 100 Gbps coherent free-space optical communications at LEO tracking rates

SM Walsh, SFE Karpathakis, AS McCann… - Scientific Reports, 2022 - nature.com
Free-space optical communications are poised to alleviate the data-flow bottleneck
experienced by spacecraft as traditional radio frequencies reach their practical limit. While …

Spatiotemporal acoustic communication by a single sensor via rotational Doppler effect

C Zhang, X Jiang, J He, Y Li, D Ta - Advanced Science, 2023 - Wiley Online Library
A longstanding pursuit in information communication is to increase transmission capacity
and accuracy, with multiplexing technology playing as a promising solution. To overcome …

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 …

Simultaneously enhancing capacity and security in free-space optical chaotic communication utilizing orbital angular momentum

Y Zhang, M Xu, M Pu, M Zhou, J Ding, S Chen… - Photonics …, 2023 - opg.optica.org
Optical chaotic signals emitted from an external-cavity feedback or injected laser diode
enable small-signal information concealment in a noise-like carrier for secure optical …

Adaptive turbulence compensation and fast auto-alignment link for free-space optical communications

Y Liang, X Su, C Cai, L Wang, J Liu, H Wang… - Optics …, 2021 - opg.optica.org
Free-space point-to-point optical communication often suffers from atmospheric turbulence
and device vibration where the environment is harsh. In this paper, by introducing an …

Single-wavelength polarization-and mode-division multiplexing free-space optical communication at 689 Gbit/s in strong turbulent channels

Y Li, Z Chen, DM Benton, M Patel, MPJ Lavery… - Optics Letters, 2023 - opg.optica.org
We experimentally demonstrated, for, it is believed, the first time, high-capacity polarization-
and mode-division multiplexing free-space optical transmission with adequate strong …

Modeling and spatial diversity-based receiving improvement of in-flight UAV FSO communication links

A Zheng, Y Huang, S Gao - Applied Sciences, 2021 - mdpi.com
An in-flight unmanned aerial vehicle (UAV) free-space optical (FSO) communication channel
model is proposed by considering the beam deviation of the UAV under different motion …