Orbital angular momentum and beyond in free-space optical communications

J Wang, J Liu, S Li, Y Zhao, J Du, L Zhu - Nanophotonics, 2022 - degruyter.com
Orbital angular momentum (OAM), which describes tailoring the spatial physical dimension
of light waves into a helical phase structure, has given rise to many applications in optical …

Communicating using spatial mode multiplexing: Potentials, challenges, and perspectives

A Trichili, KH Park, M Zghal, BS Ooi… - … Surveys & Tutorials, 2019 - ieeexplore.ieee.org
Time, polarization, and wavelength multiplexing schemes have been used to satisfy the
growing need of transmission capacity. Using space as a new dimension for communication …

Divergence-degenerate spatial multiplexing towards future ultrahigh capacity, low error-rate optical communications

Z Wan, Y Shen, Z Wang, Z Shi, Q Liu… - Light: Science & …, 2022 - nature.com
Spatial mode (de) multiplexing of orbital angular momentum (OAM) beams is a promising
solution to address future bandwidth issues, but the rapidly increasing divergence with the …

Advances in communications using optical vortices

J Wang - Photonics Research, 2016 - opg.optica.org
An optical vortex having an isolated point singularity is associated with the spatial structure
of light waves. A polarization vortex (vector beam) with a polarization singularity has …

Twisted optical communications using orbital angular momentum

J Wang - Science China Physics, Mechanics & Astronomy, 2019 - Springer
Angular momentum, a fundamental physical quantity, can be divided into spin angular
momentum (SAM) and orbital angular momentum (OAM) in electromagnetic waves. Helically …

A metasurface-based full-color circular auto-focusing Airy beam transmitter for stable high-speed underwater wireless optical communications

J Hu, Z Guo, J Shi, X Jiang, Q Chen, H Chen… - Nature …, 2024 - nature.com
Due to its unique intensity distribution, self-acceleration, and beam self-healing properties,
Airy beam holds great potential for optical wireless communications in challenging …

A circular photonic crystal fiber supporting 26 OAM modes

W Tian, H Zhang, X Zhang, L **, W Zhang… - Optical Fiber …, 2016 - Elsevier
A new design of a circular photonic crystal fiber, which can support 26 OAM modes, is
proposed. The numerical analysis shows that the proposed fiber possesses very good …

UOWC transmission system based on OAM beams: performance evaluation

M Singh, A Atieh, MH Aly, SAA El-Mottaleb - Optical and Quantum …, 2023 - Springer
This paper proposes a novel 4× 10 Gb/s underwater optical wireless communication system
based on orbital angular momentum (OAM) multiplexed beams. The proposed transmission …

Experimental demonstration of OAM-based transmitter mode diversity data transmission under atmosphere turbulence

A Wang, L Zhu, M Deng, B Lu, X Guo - Optics Express, 2021 - opg.optica.org
Twisted light carrying orbital angular momentum (OAM), which features helical phase front,
has shown its potential applications in diverse areas, especially in optical communications …

Polarization-insensitive PAM-4-carrying free-space orbital angular momentum (OAM) communications

J Liu, J Wang - Optics express, 2016 - opg.optica.org
We present a simple configuration incorporating single polarization-sensitive phase-only
liquid crystal spatial light modulator (SLM) to facilitate polarization-insensitive free-space …