中国科学院长春光学精密机械与物理研究所

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	Broadband Achromatic and Polarization Insensitive Focused Optical Vortex Generator Based on Metasurface Consisting of Anisotropic Nanostructures
	N. T. Song; N. X. Xu; J. S. Gao; X. A. Jiang; D. Z. Shan; Y. Tang; Q. Sun; H. Liu and X. Chen
	2022
发表期刊	Frontiers in Physics
ISSN	2296-424X
卷号	10页码:12
摘要	Optical vortex (OV) beams are ideal carriers for high-capacity optical communication, and long-wave infrared (LWIR) is the ideal wavelength band for long-range optical communication. Here, we propose a method for the achromatic generation of focused optical vortex (FOV) beams with arbitrary homogenous polarization states in the LWIR using a single all-germanium metasurface. The chromatic aberration and polarization sensitivity are eliminated by superimposing a polarization-insensitive geometric phase and a dispersion-engineered dynamic phase. The method is validated using two broadband FOV generators with the same diameter and focal length but different topological charges. The results indicate that the FOV generators are broadband achromatic and polarization insensitive. The proposed method may pave the way for chip-scale optical communication devices.
DOI	10.3389/fphy.2022.846718
URL	查看原文
收录类别	sci
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66450
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	N. T. Song,N. X. Xu,J. S. Gao,et al. Broadband Achromatic and Polarization Insensitive Focused Optical Vortex Generator Based on Metasurface Consisting of Anisotropic Nanostructures[J]. Frontiers in Physics,2022,10:12.
APA	N. T. Song.,N. X. Xu.,J. S. Gao.,X. A. Jiang.,D. Z. Shan.,...&H. Liu and X. Chen.(2022).Broadband Achromatic and Polarization Insensitive Focused Optical Vortex Generator Based on Metasurface Consisting of Anisotropic Nanostructures.Frontiers in Physics,10,12.
MLA	N. T. Song,et al."Broadband Achromatic and Polarization Insensitive Focused Optical Vortex Generator Based on Metasurface Consisting of Anisotropic Nanostructures".Frontiers in Physics 10(2022):12.

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