Vector Beam Polarization State Spectrum Analyzer

Abstract We present a proof of concept for a vector beam polarization state spectrum analyzer based on the combination of a polarization diffraction grating (PDG) and an encoded harmonic q-plate grating (QPG). As a result, a two-dimensional polarization diffraction grating is formed that generates s...

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Autores principales:	Ignacio Moreno, Jeffrey A. Davis, Katherine Badham, María M. Sánchez-López, Joseph E. Holland, Don M. Cottrell
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9d94de0e41a9408c91a4e7d0c40004fe
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id	oai:doaj.org-article:9d94de0e41a9408c91a4e7d0c40004fe
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spelling	oai:doaj.org-article:9d94de0e41a9408c91a4e7d0c40004fe2021-12-02T15:04:55ZVector Beam Polarization State Spectrum Analyzer10.1038/s41598-017-02328-52045-2322https://doaj.org/article/9d94de0e41a9408c91a4e7d0c40004fe2017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02328-5https://doaj.org/toc/2045-2322Abstract We present a proof of concept for a vector beam polarization state spectrum analyzer based on the combination of a polarization diffraction grating (PDG) and an encoded harmonic q-plate grating (QPG). As a result, a two-dimensional polarization diffraction grating is formed that generates six different q-plate channels with topological charges from −3 to +3 in the horizontal direction, and each is split in the vertical direction into the six polarization channels at the cardinal points of the corresponding higher-order Poincaré sphere. Consequently, 36 different channels are generated in parallel. This special polarization diffractive element is experimentally demonstrated using a single phase-only spatial light modulator in a reflective optical architecture. Finally, we show that this system can be used as a vector beam polarization state spectrum analyzer, where both the topological charge and the state of polarization of an input vector beam can be simultaneously determined in a single experiment. We expect that these results would be useful for applications in optical communications.Ignacio MorenoJeffrey A. DavisKatherine BadhamMaría M. Sánchez-LópezJoseph E. HollandDon M. CottrellNature 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 Ignacio Moreno Jeffrey A. Davis Katherine Badham María M. Sánchez-López Joseph E. Holland Don M. Cottrell Vector Beam Polarization State Spectrum Analyzer
description	Abstract We present a proof of concept for a vector beam polarization state spectrum analyzer based on the combination of a polarization diffraction grating (PDG) and an encoded harmonic q-plate grating (QPG). As a result, a two-dimensional polarization diffraction grating is formed that generates six different q-plate channels with topological charges from −3 to +3 in the horizontal direction, and each is split in the vertical direction into the six polarization channels at the cardinal points of the corresponding higher-order Poincaré sphere. Consequently, 36 different channels are generated in parallel. This special polarization diffractive element is experimentally demonstrated using a single phase-only spatial light modulator in a reflective optical architecture. Finally, we show that this system can be used as a vector beam polarization state spectrum analyzer, where both the topological charge and the state of polarization of an input vector beam can be simultaneously determined in a single experiment. We expect that these results would be useful for applications in optical communications.
format	article
author	Ignacio Moreno Jeffrey A. Davis Katherine Badham María M. Sánchez-López Joseph E. Holland Don M. Cottrell
author_facet	Ignacio Moreno Jeffrey A. Davis Katherine Badham María M. Sánchez-López Joseph E. Holland Don M. Cottrell
author_sort	Ignacio Moreno
title	Vector Beam Polarization State Spectrum Analyzer
title_short	Vector Beam Polarization State Spectrum Analyzer
title_full	Vector Beam Polarization State Spectrum Analyzer
title_fullStr	Vector Beam Polarization State Spectrum Analyzer
title_full_unstemmed	Vector Beam Polarization State Spectrum Analyzer
title_sort	vector beam polarization state spectrum analyzer
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/9d94de0e41a9408c91a4e7d0c40004fe
work_keys_str_mv	AT ignaciomoreno vectorbeampolarizationstatespectrumanalyzer AT jeffreyadavis vectorbeampolarizationstatespectrumanalyzer AT katherinebadham vectorbeampolarizationstatespectrumanalyzer AT mariamsanchezlopez vectorbeampolarizationstatespectrumanalyzer AT josepheholland vectorbeampolarizationstatespectrumanalyzer AT donmcottrell vectorbeampolarizationstatespectrumanalyzer
_version_	1718388972641583104

Vector Beam Polarization State Spectrum Analyzer

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