Broadband Achromatic and Polarization Insensitive Focused Optical Vortex Generator Based on Metasurface Consisting of Anisotropic Nanostructures

doi:10.3389/fphy.2022.846718

CORC > 长春光学精密机械与物理研究所 > 中国科学院长春光学精密机械与物理研究所

	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
刊名	Frontiers in Physics
	2022
卷号	10 页码:12
ISSN号	2296-424X
DOI	10.3389/fphy.2022.846718
英文摘要	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.
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语种	英语
内容类型	期刊论文
源URL	[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.