Decoupling Frequencies, Amplitudes and Phases in Nonlinear Optics

Abstract In linear optics, light fields do not mutually interact in a medium. However, they do mix when their field strength becomes comparable to electron binding energies in the so-called nonlinear optical regime. Such high fields are typically achieved with ultra-short laser pulses containing ver...

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Autores principales:	Bruno E. Schmidt, Philippe Lassonde, Guilmot Ernotte, Matteo Clerici, Roberto Morandotti, Heide Ibrahim, François Légaré
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/05b1ca8deb4c4fa091a9c6894432476f
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spelling	oai:doaj.org-article:05b1ca8deb4c4fa091a9c6894432476f2021-12-02T15:05:20ZDecoupling Frequencies, Amplitudes and Phases in Nonlinear Optics10.1038/s41598-017-07510-32045-2322https://doaj.org/article/05b1ca8deb4c4fa091a9c6894432476f2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07510-3https://doaj.org/toc/2045-2322Abstract In linear optics, light fields do not mutually interact in a medium. However, they do mix when their field strength becomes comparable to electron binding energies in the so-called nonlinear optical regime. Such high fields are typically achieved with ultra-short laser pulses containing very broad frequency spectra where their amplitudes and phases are mutually coupled in a convolution process. Here, we describe a regime of nonlinear interactions without mixing of different frequencies. We demonstrate both in theory and experiment how frequency domain nonlinear optics overcomes the shortcomings arising from the convolution in conventional time domain interactions. We generate light fields with previously inaccessible properties by avoiding these uncontrolled couplings. Consequently, arbitrary phase functions are transferred linearly to other frequencies while preserving the general shape of the input spectrum. As a powerful application, we introduce deep UV phase control at 207 nm by using a conventional NIR pulse shaper.Bruno E. SchmidtPhilippe LassondeGuilmot ErnotteMatteo ClericiRoberto MorandottiHeide IbrahimFrançois LégaréNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Bruno E. Schmidt Philippe Lassonde Guilmot Ernotte Matteo Clerici Roberto Morandotti Heide Ibrahim François Légaré Decoupling Frequencies, Amplitudes and Phases in Nonlinear Optics
description	Abstract In linear optics, light fields do not mutually interact in a medium. However, they do mix when their field strength becomes comparable to electron binding energies in the so-called nonlinear optical regime. Such high fields are typically achieved with ultra-short laser pulses containing very broad frequency spectra where their amplitudes and phases are mutually coupled in a convolution process. Here, we describe a regime of nonlinear interactions without mixing of different frequencies. We demonstrate both in theory and experiment how frequency domain nonlinear optics overcomes the shortcomings arising from the convolution in conventional time domain interactions. We generate light fields with previously inaccessible properties by avoiding these uncontrolled couplings. Consequently, arbitrary phase functions are transferred linearly to other frequencies while preserving the general shape of the input spectrum. As a powerful application, we introduce deep UV phase control at 207 nm by using a conventional NIR pulse shaper.
format	article
author	Bruno E. Schmidt Philippe Lassonde Guilmot Ernotte Matteo Clerici Roberto Morandotti Heide Ibrahim François Légaré
author_facet	Bruno E. Schmidt Philippe Lassonde Guilmot Ernotte Matteo Clerici Roberto Morandotti Heide Ibrahim François Légaré
author_sort	Bruno E. Schmidt
title	Decoupling Frequencies, Amplitudes and Phases in Nonlinear Optics
title_short	Decoupling Frequencies, Amplitudes and Phases in Nonlinear Optics
title_full	Decoupling Frequencies, Amplitudes and Phases in Nonlinear Optics
title_fullStr	Decoupling Frequencies, Amplitudes and Phases in Nonlinear Optics
title_full_unstemmed	Decoupling Frequencies, Amplitudes and Phases in Nonlinear Optics
title_sort	decoupling frequencies, amplitudes and phases in nonlinear optics
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/05b1ca8deb4c4fa091a9c6894432476f
work_keys_str_mv	AT brunoeschmidt decouplingfrequenciesamplitudesandphasesinnonlinearoptics AT philippelassonde decouplingfrequenciesamplitudesandphasesinnonlinearoptics AT guilmoternotte decouplingfrequenciesamplitudesandphasesinnonlinearoptics AT matteoclerici decouplingfrequenciesamplitudesandphasesinnonlinearoptics AT robertomorandotti decouplingfrequenciesamplitudesandphasesinnonlinearoptics AT heideibrahim decouplingfrequenciesamplitudesandphasesinnonlinearoptics AT francoislegare decouplingfrequenciesamplitudesandphasesinnonlinearoptics
_version_	1718388809666658304

Decoupling Frequencies, Amplitudes and Phases in Nonlinear Optics

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