Second and third harmonic generation from gold nanolayers: experiment versus theory

The use of semiconductors, metals, or ordinary dielectrics in the process of fabrication of nanodevices is at the front edge of nowadays technology, exploiting the properties of light propagation and localization at nanometric scale in new and surprising ways. Understanding accurately how light inte...

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Autores principales:	Rodríguez-Suné L., Trull J., Akozbek N., De Ceglia D., Vincenti M. A., Scalora M., Cojocaru C.
Formato:	article
Lenguaje:	EN
Publicado:	EDP Sciences 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/60f16ee8042345899ba30c086e9a8a83
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spelling	oai:doaj.org-article:60f16ee8042345899ba30c086e9a8a832021-12-02T17:12:51ZSecond and third harmonic generation from gold nanolayers: experiment versus theory2100-014X10.1051/epjconf/202125507003https://doaj.org/article/60f16ee8042345899ba30c086e9a8a832021-01-01T00:00:00Zhttps://www.epj-conferences.org/articles/epjconf/pdf/2021/09/epjconf_eosam2021_07003.pdfhttps://doaj.org/toc/2100-014XThe use of semiconductors, metals, or ordinary dielectrics in the process of fabrication of nanodevices is at the front edge of nowadays technology, exploiting the properties of light propagation and localization at nanometric scale in new and surprising ways. Understanding accurately how light interacts with these materials at the nanoscale is crucial if one is to properly engineer nano-devices. When the nanoscale is reached, light-matter interactions display new phenomena where conventional approximations may not always be applicable and they should be either revised or voided. In this work, we measure the efficiency of second and third harmonic generation from gold nanolayers. The experimental results are compared with numerical simulations based on a detailed microscopic hydrodynamic model that considers different effects playing a role in the nonlinear response, not usually considered by more generic models. The agreement between experimental and theoretical results proves the importance of all these contributions.Rodríguez-Suné L.Trull J.Akozbek N.De Ceglia D.Vincenti M. A.Scalora M.Cojocaru C.EDP SciencesarticlePhysicsQC1-999ENEPJ Web of Conferences, Vol 255, p 07003 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Rodríguez-Suné L. Trull J. Akozbek N. De Ceglia D. Vincenti M. A. Scalora M. Cojocaru C. Second and third harmonic generation from gold nanolayers: experiment versus theory
description	The use of semiconductors, metals, or ordinary dielectrics in the process of fabrication of nanodevices is at the front edge of nowadays technology, exploiting the properties of light propagation and localization at nanometric scale in new and surprising ways. Understanding accurately how light interacts with these materials at the nanoscale is crucial if one is to properly engineer nano-devices. When the nanoscale is reached, light-matter interactions display new phenomena where conventional approximations may not always be applicable and they should be either revised or voided. In this work, we measure the efficiency of second and third harmonic generation from gold nanolayers. The experimental results are compared with numerical simulations based on a detailed microscopic hydrodynamic model that considers different effects playing a role in the nonlinear response, not usually considered by more generic models. The agreement between experimental and theoretical results proves the importance of all these contributions.
format	article
author	Rodríguez-Suné L. Trull J. Akozbek N. De Ceglia D. Vincenti M. A. Scalora M. Cojocaru C.
author_facet	Rodríguez-Suné L. Trull J. Akozbek N. De Ceglia D. Vincenti M. A. Scalora M. Cojocaru C.
author_sort	Rodríguez-Suné L.
title	Second and third harmonic generation from gold nanolayers: experiment versus theory
title_short	Second and third harmonic generation from gold nanolayers: experiment versus theory
title_full	Second and third harmonic generation from gold nanolayers: experiment versus theory
title_fullStr	Second and third harmonic generation from gold nanolayers: experiment versus theory
title_full_unstemmed	Second and third harmonic generation from gold nanolayers: experiment versus theory
title_sort	second and third harmonic generation from gold nanolayers: experiment versus theory
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/60f16ee8042345899ba30c086e9a8a83
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Second and third harmonic generation from gold nanolayers: experiment versus theory

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