Switchable phase and polarization singular beams generation using dielectric metasurfaces

Abstract Singular beams which possess helical phase wavefront or spatially inhomogeneous polarization provide new freedom for optical field manipulation. However, conventional schemes to produce the singular beams have difficulty in realizing the flexible switch between different singular beams. In...

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Autores principales:	Yanliang He, Ying Li, Junmin Liu, Xiaoke Zhang, Yao Cai, Yu Chen, Shuqing Chen, Dianyuan Fan
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/73807089957f4c22a3b79a7ac9b87aa9
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id	oai:doaj.org-article:73807089957f4c22a3b79a7ac9b87aa9
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spelling	oai:doaj.org-article:73807089957f4c22a3b79a7ac9b87aa92021-12-02T15:05:26ZSwitchable phase and polarization singular beams generation using dielectric metasurfaces10.1038/s41598-017-07217-52045-2322https://doaj.org/article/73807089957f4c22a3b79a7ac9b87aa92017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07217-5https://doaj.org/toc/2045-2322Abstract Singular beams which possess helical phase wavefront or spatially inhomogeneous polarization provide new freedom for optical field manipulation. However, conventional schemes to produce the singular beams have difficulty in realizing the flexible switch between different singular beams. In this work, we have experimentally demonstrated the capability of dielectric metasurfaces to generate three types of singular beams and switch between them at working wavelength of 1550 nm. We have shown vortex beam and cylindrical vector beam generation with single metasurface and cylindrical vector vortex beam generation with two cascaded metasurfaces. Moreover, experimental demonstration on switching cylindrical vector beam into vortex beam has also been done by combining one quarter-wave plate and a Glan laser polarizer. The experimental results match well with the analysis from the Jones matrix calculations. The average conversion efficiency of cylindrical vector beam to vortex beam was estimated to be 47.7%, which was about 2.3% lower than the theoretical prediction.Yanliang HeYing LiJunmin LiuXiaoke ZhangYao CaiYu ChenShuqing ChenDianyuan FanNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yanliang He Ying Li Junmin Liu Xiaoke Zhang Yao Cai Yu Chen Shuqing Chen Dianyuan Fan Switchable phase and polarization singular beams generation using dielectric metasurfaces
description	Abstract Singular beams which possess helical phase wavefront or spatially inhomogeneous polarization provide new freedom for optical field manipulation. However, conventional schemes to produce the singular beams have difficulty in realizing the flexible switch between different singular beams. In this work, we have experimentally demonstrated the capability of dielectric metasurfaces to generate three types of singular beams and switch between them at working wavelength of 1550 nm. We have shown vortex beam and cylindrical vector beam generation with single metasurface and cylindrical vector vortex beam generation with two cascaded metasurfaces. Moreover, experimental demonstration on switching cylindrical vector beam into vortex beam has also been done by combining one quarter-wave plate and a Glan laser polarizer. The experimental results match well with the analysis from the Jones matrix calculations. The average conversion efficiency of cylindrical vector beam to vortex beam was estimated to be 47.7%, which was about 2.3% lower than the theoretical prediction.
format	article
author	Yanliang He Ying Li Junmin Liu Xiaoke Zhang Yao Cai Yu Chen Shuqing Chen Dianyuan Fan
author_facet	Yanliang He Ying Li Junmin Liu Xiaoke Zhang Yao Cai Yu Chen Shuqing Chen Dianyuan Fan
author_sort	Yanliang He
title	Switchable phase and polarization singular beams generation using dielectric metasurfaces
title_short	Switchable phase and polarization singular beams generation using dielectric metasurfaces
title_full	Switchable phase and polarization singular beams generation using dielectric metasurfaces
title_fullStr	Switchable phase and polarization singular beams generation using dielectric metasurfaces
title_full_unstemmed	Switchable phase and polarization singular beams generation using dielectric metasurfaces
title_sort	switchable phase and polarization singular beams generation using dielectric metasurfaces
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/73807089957f4c22a3b79a7ac9b87aa9
work_keys_str_mv	AT yanlianghe switchablephaseandpolarizationsingularbeamsgenerationusingdielectricmetasurfaces AT yingli switchablephaseandpolarizationsingularbeamsgenerationusingdielectricmetasurfaces AT junminliu switchablephaseandpolarizationsingularbeamsgenerationusingdielectricmetasurfaces AT xiaokezhang switchablephaseandpolarizationsingularbeamsgenerationusingdielectricmetasurfaces AT yaocai switchablephaseandpolarizationsingularbeamsgenerationusingdielectricmetasurfaces AT yuchen switchablephaseandpolarizationsingularbeamsgenerationusingdielectricmetasurfaces AT shuqingchen switchablephaseandpolarizationsingularbeamsgenerationusingdielectricmetasurfaces AT dianyuanfan switchablephaseandpolarizationsingularbeamsgenerationusingdielectricmetasurfaces
_version_	1718388838827556864

Switchable phase and polarization singular beams generation using dielectric metasurfaces

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