基于深度相位估计网络的涡旋光束相位校正

Juan, 刘娟 Liu; Qian, 杜乾 Du; Fangning, 刘芳宁 Liu; Ke, 王珂 Wang; Jiayi, 余佳益 Yu; Dongmei, 魏冬梅 Wei

doi:10.3788/aos221804

光学学报

2023

DOI: 10.3788/aos221804

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基于深度相位估计网络的涡旋光束相位校正

刘娟 Liu Juan¹,

杜乾 Du Qian²,

刘芳宁 Liu Fangning³

et al.

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2024

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Cited by 2 publications

References 27 publications

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Phase screen prediction using deep phase network for FSO links

Li,

Wu,

Wang

et al. 2024

Appl. Opt.

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Due to the presence of air turbulence in free-space optical (FSO) links, random fluctuations in wavefront phase and amplitude of the optical signal are reduced after it propagates through the air channel, which degrades the performance of free-space optical communication (FSOC) systems. Phase screen reflects the phase distortions resulting from air turbulence. Accordingly, accurate prediction with respect to phase screen is of significance for the FSOC. In this paper, we propose a phase screen prediction method based on the deep phase network (DPN). The advantages of the proposed method include strong robustness against air turbulence, low model depth, and fewer parameters as well as low complexity. The results reveal that our DPN enables desired inference accuracy and faster inference speed compared with the existing models, by combining the mean square deviation loss function with the pixel penalty terms. More concretely, the accuracy of phase screen prediction can reach up to 95%; further, the average time consumed to predict the phase screen is in the order of milliseconds only under various turbulence conditions. Also, our DPN outperforms the traditional Gerchberg–Saxton algorithm in convergence speed.

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Phase screen prediction using deep phase network for FSO links

Li,

Wu,

Wang

et al. 2024

Appl. Opt.

View full text Add to dashboard Cite

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基于深度卷积生成对抗网络的大气湍流相位屏生成方法

Wang Zeyang,

Zhu Yue,

An Yan

2024

Laser Optoelectron. Prog.

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基于深度相位估计网络的涡旋光束相位校正

Cited by 2 publications

References 27 publications

Phase screen prediction using deep phase network for FSO links

Phase screen prediction using deep phase network for FSO links

基于深度卷积生成对抗网络的大气湍流相位屏生成方法

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