Anomalous beam spreading of Airy vortex beam arrays propagating in a moderate turbulent atmosphere

Yue, Xifu; Shang, Yu; Wang, Wenxuan; Zhao, Rui; Wang, Benyi; Han, Kezhen; Zhang, Liping; Lei, Chengxin; Man, Zhongsheng; Ge, Xiaolu

doi:10.1080/09500340.2022.2107246

Journal of Modern Optics

2022

DOI: 10.1080/09500340.2022.2107246

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Anomalous beam spreading of Airy vortex beam arrays propagating in a moderate turbulent atmosphere

Xifu Yue

Yu Shang

Wenxuan Wang

et al.

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2024

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Underwater entanglement propagation of auto-focusing Airy beams

Yang,

Yu,

Wang

et al. 2024

Opt. Express

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In underwater wireless optical communication, orbital angular momentum (OAM) states suffer from turbulence distortions. This study aims to investigate the effectiveness of auto-focusing and OAM entanglement of the beams in reducing the turbulence effects. We implement the single-phase approximation and the extended Huygens-Fresnel principle to derive the detection probability of the entangled Airy beams under unstable oceanic turbulence. The results show that auto-focusing can protect the signal OAM mode and suppress modal crosstalks, while entangled OAM states can further enhance the resistance against oceanic turbulence around the focus position. The numerical analysis demonstrates that after the auto-focusing position, the beams evolve in completely opposite directions, indicating that the focal length should be modulated according to the length of a practical link to enhance received signals. These findings suggest that entangled auto-focusing vortex beams may be a desirable light source in underwater communication systems.

show abstract

Underwater entanglement propagation of auto-focusing Airy beams

Yang,

Yu,

Wang

et al. 2024

Opt. Express

View full text Add to dashboard Cite

show abstract

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Anomalous beam spreading of Airy vortex beam arrays propagating in a moderate turbulent atmosphere

Cited by 1 publication

References 39 publications

Underwater entanglement propagation of auto-focusing Airy beams

Underwater entanglement propagation of auto-focusing Airy beams

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