Arbitrary polarization and rotation multiplexed metasurface hologram

IF 6.6 2区 物理与天体物理 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Zonge Che, Yisheng Dong, Tiaoming Niu, Jining Li, Guanmao Zhang, Ziyin Ma, Shujie Liu, Jingwei Zhang, Zhonglei Mei
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引用次数: 0

Abstract

Metasurface holograms, characterized by their ultra-small thickness, high efficiency, and low loss, hold significant potential for applications in optical information storage, optical field manipulation, and security encryption. This paper proposed a polarization switchable and rotation multiplexing metasurface based on simultaneous amplitude and phase modulation. By precisely designing meta-atoms, the geometric parameters and orientation angle are engineered to independently control the phase and amplitude distributions of the metasurface. Utilizing a polarization switching strategy, incident light with different polarization angles generates distinct holograms. Additionally, the rotation-multiplexing mechanism further enhances information storage capacity by rotating the metasurface disk, thereby increasing the diversity and degrees of freedom in hologram. The results demonstrate that this approach enables precise optical field manipulation across multiple degrees of freedom, facilitating the reconstruction of multichannel holograms. This method provides a novel technological pathway for high-density optical storage, information encryption, and dynamic optical display.
任意偏振和旋转多路超表面全息图
超表面全息图具有超薄、高效率、低损耗等特点,在光信息存储、光场操纵、安全加密等方面具有重要的应用潜力。提出了一种基于幅相同步调制的偏振可切换旋转复用超表面。通过精确设计元原子,设计几何参数和取向角来独立控制超表面的相位和振幅分布。利用偏振开关策略,不同偏振角的入射光产生不同的全息图。此外,旋转复用机制通过旋转超表面磁盘进一步提高了信息存储容量,从而增加了全息图的多样性和自由度。结果表明,该方法可以实现跨多个自由度的精确光场操纵,从而促进了多通道全息图的重建。该方法为高密度光存储、信息加密和动态光显示提供了新的技术途径。
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来源期刊
Nanophotonics
Nanophotonics NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
13.50
自引率
6.70%
发文量
358
审稿时长
7 weeks
期刊介绍: Nanophotonics, published in collaboration with Sciencewise, is a prestigious journal that showcases recent international research results, notable advancements in the field, and innovative applications. It is regarded as one of the leading publications in the realm of nanophotonics and encompasses a range of article types including research articles, selectively invited reviews, letters, and perspectives. The journal specifically delves into the study of photon interaction with nano-structures, such as carbon nano-tubes, nano metal particles, nano crystals, semiconductor nano dots, photonic crystals, tissue, and DNA. It offers comprehensive coverage of the most up-to-date discoveries, making it an essential resource for physicists, engineers, and material scientists.
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