Robust structured light in atmospheric turbulence

A Klug, C Peters, A Forbes - Advanced Photonics, 2023 - spiedigitallibrary.org
Structured light is routinely used in free-space optical communication channels, both
classical and quantum, where information is encoded in the spatial structure of the mode for …

Atmospheric turbulence strength distribution along a propagation path probed by longitudinally structured optical beams

H Zhou, X Su, Y Duan, H Song, K Zou, R Zhang… - Nature …, 2023 - nature.com
Atmospheric turbulence can cause critical problems in many applications. To effectively
avoid or mitigate turbulence, knowledge of turbulence strength at various distances could be …

Orbital angular momentum beams for high-capacity communications

AE Willner, H Song, K Zou, H Zhou… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
There is a growing interest in structured light, especially orbital angular momentum (OAM)
beams, due to its unique amplitude and phase structure. Multiple orthogonal OAM beams …

Turbulence-resistant high-capacity free-space optical communications using OAM mode group multiplexing

L Zhu, M Deng, B Lu, X Guo, A Wang - Optics Express, 2023 - opg.optica.org
Twisted light carrying orbital angular momentum (OAM), which features a helical phase front,
has shown its potential applications in diverse areas, especially in free-space optical (FSO) …

OAM-based optical wavelet using a single pixel detection system for probing dynamic environments with application to real-time measurements of strong atmospheric …

J Free, K Dai, L Vanderschaaf, M Cox, JK Miller… - Optics …, 2022 - opg.optica.org
This paper presents a novel method for optical probing by generating optical fields with
characteristics of wavelets. The optical wavelets form a basis of rotated asymmetric beams …

Deep-learning assisted fast orbital angular momentum complex spectrum analysis

S Zhou, L Li, C Gao, S Fu - Optics Letters, 2023 - opg.optica.org
Analyzing the orbital angular momentum (OAM) distribution of a vortex beam is critical for
OAM-based applications. Here, we propose a deep residual network (DRN) to model the …

A Robust Basis for Multi‐Bit Optical Communication with Vectorial Light

K Singh, I Nape, WT Buono, A Dudley… - Laser & Photonics …, 2023 - Wiley Online Library
Increasing the information capacity of communication channels is a pressing need, driven by
growing data demands and the consequent impending data crunch with existing modulation …

Weak turbulence effects on different beams carrying orbital angular momentum

NA Ferlic, M van Iersel, CC Davis - JOSA A, 2021 - opg.optica.org
The study of beams carrying orbital angular momentum (OAM) has been of interest for its
use in free-space optical communications (FSOC), directed energy applications, and remote …

Metasurface measuring twisted light in turbulence

T Dinter, C Li, L Kühner, T Weber, A Tittl… - ACS …, 2022 - ACS Publications
Orbital angular momentum (OAM) of light represents an independent degree of freedom
using orthogonal helical modes for optical and quantum multiplexing, offering great potential …

Propagation of coherence-OAM matrix of an optical beam in vacuum and turbulence

F Wang, W Li, D Wu, L Liu, O Korotkova, Y Cai - Optics express, 2023 - opg.optica.org
Propagation of the coherence-orbital angular momentum (COAM) matrix of partially
coherent beams in homogeneous and isotropic turbulence, eg, atmosphere, is formulated …