散射环境中共轭叠加完美涡旋光束的编码信息恢复。

IF 1.4 3区 物理与天体物理 Q3 OPTICS
Maohua Xu, Peng Sun, Canjin Wang, Zipeng Wang, Ji Liu, Shichao Pan, Rijun Wang, Yaoyu Cheng
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引用次数: 0

摘要

利用轨道角动量(OAM)编码进行信号传输,实现了空间域的光通信。但是在涡旋光通信的传输过程中,大气湍流、雾霾等环境因素会产生散射效应,导致信号质量下降,增加了解码的复杂性。我们的目标是设计一个可以从散斑场中恢复编码信号的框架,减少散射的影响。我们设计了一种结合生成对抗网络(GAN)和U-Net的神经网络模型,利用U-Net的图像分割能力来指导GAN生成准确的信息。我们已经在实验中证明了其有效性,Pearson相关系数(PCC)和峰值信噪比(PSNR)分别为0.99和46.7。与其他工作相比,我们的工作重点是完美涡旋光束(PVB)的共轭叠加,为涡旋光通信在远距离传输、抗干扰和增强数据传输性能方面的有益方面提供了有价值的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Recovery of encoded information from conjugate superimposed perfect vortex beams in scattering environments.

Using orbital angular momentum (OAM) encoding for signal transmission enables optical communication in the spatial domain. However, during the transmission process of vortex optical communication, environmental factors such as atmospheric turbulence and haze cause scattering effects, resulting in the degradation of signal quality and increasing the complexity of decoding. Our goal is to design a framework that can recover the encoded signal from the speckle field, reducing the effects of scattering. We have designed a neural network model that combines a generative adversarial network (GAN) and U-Net, which utilizes the image segmentation capability of U-Net to guide the GAN in generating accurate information. We have demonstrated its effectiveness in experiments, with Pearson correlation coefficient (PCC) and peak signal-to-noise ratio (PSNR) values of 0.99 and 46.7, respectively. Compared to other works, our work focuses on the conjugate superimposed of perfect vortex beam (PVB), offering valuable insights into the beneficial aspects of vortex optical communication in long-distance transmission, interference resistance, and enhanced data transfer performance.

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来源期刊
CiteScore
3.40
自引率
10.50%
发文量
417
审稿时长
3 months
期刊介绍: The Journal of the Optical Society of America A (JOSA A) is devoted to developments in any field of classical optics, image science, and vision. JOSA A includes original peer-reviewed papers on such topics as: * Atmospheric optics * Clinical vision * Coherence and Statistical Optics * Color * Diffraction and gratings * Image processing * Machine vision * Physiological optics * Polarization * Scattering * Signal processing * Thin films * Visual optics Also: j opt soc am a.
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