Simultaneous Generation of Arbitrary Assembly of Polarization States with Geometrical-Scaling-Induced Phase Modulation

Manipulating the polarization of light on the microscale or nanoscale is essential for integrated photonics and quantum optical devices. Nowadays, the metasurface allows one to build on-chip devices that efficiently manipulate the polarization states. However, it remains challenging to generate diff...

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Autores principales:	Ya-Jun Gao, Xiang Xiong, Zhenghan Wang, Fei Chen, Ru-Wen Peng, Mu Wang
Formato:	article
Lenguaje:	EN
Publicado:	American Physical Society 2020
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/762e8be43d5d4ce7bd6e642ef5de28e1
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spelling	oai:doaj.org-article:762e8be43d5d4ce7bd6e642ef5de28e12021-12-02T14:10:46ZSimultaneous Generation of Arbitrary Assembly of Polarization States with Geometrical-Scaling-Induced Phase Modulation10.1103/PhysRevX.10.0310352160-3308https://doaj.org/article/762e8be43d5d4ce7bd6e642ef5de28e12020-08-01T00:00:00Zhttp://doi.org/10.1103/PhysRevX.10.031035http://doi.org/10.1103/PhysRevX.10.031035https://doaj.org/toc/2160-3308Manipulating the polarization of light on the microscale or nanoscale is essential for integrated photonics and quantum optical devices. Nowadays, the metasurface allows one to build on-chip devices that efficiently manipulate the polarization states. However, it remains challenging to generate different types of polarization states simultaneously, which is required to encode information for quantum computing and quantum cryptography applications. By introducing geometrical-scaling-induced (GSI) phase modulations, we demonstrate that an assembly of circularly polarized (CP) and linearly polarized (LP) states can be simultaneously generated by a single metasurface made of L-shaped resonators with different geometrical features. Upon illumination, each resonator diffracts the CP state with a certain GSI phase. The interaction of these diffractions leads to the desired output beams, where the polarization state and the propagation direction can be accurately tuned by selecting the geometrical shape, size, and spatial sequence of each resonator in the unit cell. As an example of potential applications, we show that an image can be encoded with different polarization profiles at different diffraction orders and decoded with a polarization analyzer. This approach resolves a challenging problem in integrated optics and is inspiring for on-chip quantum information processing.Ya-Jun GaoXiang XiongZhenghan WangFei ChenRu-Wen PengMu WangAmerican Physical SocietyarticlePhysicsQC1-999ENPhysical Review X, Vol 10, Iss 3, p 031035 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Ya-Jun Gao Xiang Xiong Zhenghan Wang Fei Chen Ru-Wen Peng Mu Wang Simultaneous Generation of Arbitrary Assembly of Polarization States with Geometrical-Scaling-Induced Phase Modulation
description	Manipulating the polarization of light on the microscale or nanoscale is essential for integrated photonics and quantum optical devices. Nowadays, the metasurface allows one to build on-chip devices that efficiently manipulate the polarization states. However, it remains challenging to generate different types of polarization states simultaneously, which is required to encode information for quantum computing and quantum cryptography applications. By introducing geometrical-scaling-induced (GSI) phase modulations, we demonstrate that an assembly of circularly polarized (CP) and linearly polarized (LP) states can be simultaneously generated by a single metasurface made of L-shaped resonators with different geometrical features. Upon illumination, each resonator diffracts the CP state with a certain GSI phase. The interaction of these diffractions leads to the desired output beams, where the polarization state and the propagation direction can be accurately tuned by selecting the geometrical shape, size, and spatial sequence of each resonator in the unit cell. As an example of potential applications, we show that an image can be encoded with different polarization profiles at different diffraction orders and decoded with a polarization analyzer. This approach resolves a challenging problem in integrated optics and is inspiring for on-chip quantum information processing.
format	article
author	Ya-Jun Gao Xiang Xiong Zhenghan Wang Fei Chen Ru-Wen Peng Mu Wang
author_facet	Ya-Jun Gao Xiang Xiong Zhenghan Wang Fei Chen Ru-Wen Peng Mu Wang
author_sort	Ya-Jun Gao
title	Simultaneous Generation of Arbitrary Assembly of Polarization States with Geometrical-Scaling-Induced Phase Modulation
title_short	Simultaneous Generation of Arbitrary Assembly of Polarization States with Geometrical-Scaling-Induced Phase Modulation
title_full	Simultaneous Generation of Arbitrary Assembly of Polarization States with Geometrical-Scaling-Induced Phase Modulation
title_fullStr	Simultaneous Generation of Arbitrary Assembly of Polarization States with Geometrical-Scaling-Induced Phase Modulation
title_full_unstemmed	Simultaneous Generation of Arbitrary Assembly of Polarization States with Geometrical-Scaling-Induced Phase Modulation
title_sort	simultaneous generation of arbitrary assembly of polarization states with geometrical-scaling-induced phase modulation
publisher	American Physical Society
publishDate	2020
url	https://doaj.org/article/762e8be43d5d4ce7bd6e642ef5de28e1
work_keys_str_mv	AT yajungao simultaneousgenerationofarbitraryassemblyofpolarizationstateswithgeometricalscalinginducedphasemodulation AT xiangxiong simultaneousgenerationofarbitraryassemblyofpolarizationstateswithgeometricalscalinginducedphasemodulation AT zhenghanwang simultaneousgenerationofarbitraryassemblyofpolarizationstateswithgeometricalscalinginducedphasemodulation AT feichen simultaneousgenerationofarbitraryassemblyofpolarizationstateswithgeometricalscalinginducedphasemodulation AT ruwenpeng simultaneousgenerationofarbitraryassemblyofpolarizationstateswithgeometricalscalinginducedphasemodulation AT muwang simultaneousgenerationofarbitraryassemblyofpolarizationstateswithgeometricalscalinginducedphasemodulation
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Simultaneous Generation of Arbitrary Assembly of Polarization States with Geometrical-Scaling-Induced Phase Modulation

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