Modal beam splitter: determination of the transversal components of an electromagnetic light field

Abstract The transversal profile of beams can always be defined as a superposition of orthogonal fields, such as optical eigenmodes. Here, we describe a generic method to separate the individual components in a laser beam and map each mode onto its designated detector with low crosstalk. We demonstr...

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Autores principales:	Michael Mazilu, Tom Vettenburg, Martin Ploschner, Ewan M. Wright, Kishan Dholakia
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0a267a6bf5f94d318c682fbd2581c149
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spelling	oai:doaj.org-article:0a267a6bf5f94d318c682fbd2581c1492021-12-02T15:06:25ZModal beam splitter: determination of the transversal components of an electromagnetic light field10.1038/s41598-017-08657-92045-2322https://doaj.org/article/0a267a6bf5f94d318c682fbd2581c1492017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08657-9https://doaj.org/toc/2045-2322Abstract The transversal profile of beams can always be defined as a superposition of orthogonal fields, such as optical eigenmodes. Here, we describe a generic method to separate the individual components in a laser beam and map each mode onto its designated detector with low crosstalk. We demonstrate this with the decomposition into Laguerre-Gaussian beams and introduce a distribution over the integer numbers corresponding to the discrete orbital and radial momentum components of the light field. The method is based on determining an eigenmask filter transforming the incident optical eigenmodes to position eigenmodes enabling the detection of the state of the light field using single detectors while minimizing cross talk with respect to the set of filter masks considered.Michael MaziluTom VettenburgMartin PloschnerEwan M. WrightKishan DholakiaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Michael Mazilu Tom Vettenburg Martin Ploschner Ewan M. Wright Kishan Dholakia Modal beam splitter: determination of the transversal components of an electromagnetic light field
description	Abstract The transversal profile of beams can always be defined as a superposition of orthogonal fields, such as optical eigenmodes. Here, we describe a generic method to separate the individual components in a laser beam and map each mode onto its designated detector with low crosstalk. We demonstrate this with the decomposition into Laguerre-Gaussian beams and introduce a distribution over the integer numbers corresponding to the discrete orbital and radial momentum components of the light field. The method is based on determining an eigenmask filter transforming the incident optical eigenmodes to position eigenmodes enabling the detection of the state of the light field using single detectors while minimizing cross talk with respect to the set of filter masks considered.
format	article
author	Michael Mazilu Tom Vettenburg Martin Ploschner Ewan M. Wright Kishan Dholakia
author_facet	Michael Mazilu Tom Vettenburg Martin Ploschner Ewan M. Wright Kishan Dholakia
author_sort	Michael Mazilu
title	Modal beam splitter: determination of the transversal components of an electromagnetic light field
title_short	Modal beam splitter: determination of the transversal components of an electromagnetic light field
title_full	Modal beam splitter: determination of the transversal components of an electromagnetic light field
title_fullStr	Modal beam splitter: determination of the transversal components of an electromagnetic light field
title_full_unstemmed	Modal beam splitter: determination of the transversal components of an electromagnetic light field
title_sort	modal beam splitter: determination of the transversal components of an electromagnetic light field
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/0a267a6bf5f94d318c682fbd2581c149
work_keys_str_mv	AT michaelmazilu modalbeamsplitterdeterminationofthetransversalcomponentsofanelectromagneticlightfield AT tomvettenburg modalbeamsplitterdeterminationofthetransversalcomponentsofanelectromagneticlightfield AT martinploschner modalbeamsplitterdeterminationofthetransversalcomponentsofanelectromagneticlightfield AT ewanmwright modalbeamsplitterdeterminationofthetransversalcomponentsofanelectromagneticlightfield AT kishandholakia modalbeamsplitterdeterminationofthetransversalcomponentsofanelectromagneticlightfield
_version_	1718388429912276992

Modal beam splitter: determination of the transversal components of an electromagnetic light field

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