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Few Percent Efficient Polarization-Sensitive Conversion in Nonlinear Plasmonic Interactions Inside Oligomeric Gold Structures

The backscattering spectra of a 500 nm thick gold film, which was excited near the 525 nm transverse localized plasmon resonance of its constituent, self-organized, vertically-aligned nanorods by normally incident 515 nm, 300 fs laser pulses with linear, radial, azimuthal and circular polarizations,...

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Autores principales: Busleev, Nikolay, Kudryashov, Sergey, Saraeva, Irina, Danilov, Pavel, Rudenko, Andrey, Zayarny, Dmitry, Maier, Stefan A., Minh, Pham Hong, Ionin, Andrey
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7795775/
https://www.ncbi.nlm.nih.gov/pubmed/33374321
http://dx.doi.org/10.3390/s21010059
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author Busleev, Nikolay
Kudryashov, Sergey
Saraeva, Irina
Danilov, Pavel
Rudenko, Andrey
Zayarny, Dmitry
Maier, Stefan A.
Minh, Pham Hong
Ionin, Andrey
author_facet Busleev, Nikolay
Kudryashov, Sergey
Saraeva, Irina
Danilov, Pavel
Rudenko, Andrey
Zayarny, Dmitry
Maier, Stefan A.
Minh, Pham Hong
Ionin, Andrey
author_sort Busleev, Nikolay
collection PubMed
description The backscattering spectra of a 500 nm thick gold film, which was excited near the 525 nm transverse localized plasmon resonance of its constituent, self-organized, vertically-aligned nanorods by normally incident 515 nm, 300 fs laser pulses with linear, radial, azimuthal and circular polarizations, revealed a few-percent conversion into Stokes and anti-Stokes side-band peaks. The investigation of these spectral features based on the nanoscale characterization of the oligomeric structure and numerical simulations of its backscattering response indicated nonlinear Fano-like plasmonic interactions, particularly the partially degenerate four-wave mixing comprised by the visible-range transverse plasmon resonance of the individual nanorods and an IR-range collective mode of the oligomeric structure. Such oligomeric structures in plasmonic films may greatly enhance inner nonlinear electromagnetic interactions and inner near-IR hotspots, paving the way for their engineered IR tunability for broad applications in chemosensing and biosensing.
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spelling pubmed-77957752021-01-10 Few Percent Efficient Polarization-Sensitive Conversion in Nonlinear Plasmonic Interactions Inside Oligomeric Gold Structures Busleev, Nikolay Kudryashov, Sergey Saraeva, Irina Danilov, Pavel Rudenko, Andrey Zayarny, Dmitry Maier, Stefan A. Minh, Pham Hong Ionin, Andrey Sensors (Basel) Communication The backscattering spectra of a 500 nm thick gold film, which was excited near the 525 nm transverse localized plasmon resonance of its constituent, self-organized, vertically-aligned nanorods by normally incident 515 nm, 300 fs laser pulses with linear, radial, azimuthal and circular polarizations, revealed a few-percent conversion into Stokes and anti-Stokes side-band peaks. The investigation of these spectral features based on the nanoscale characterization of the oligomeric structure and numerical simulations of its backscattering response indicated nonlinear Fano-like plasmonic interactions, particularly the partially degenerate four-wave mixing comprised by the visible-range transverse plasmon resonance of the individual nanorods and an IR-range collective mode of the oligomeric structure. Such oligomeric structures in plasmonic films may greatly enhance inner nonlinear electromagnetic interactions and inner near-IR hotspots, paving the way for their engineered IR tunability for broad applications in chemosensing and biosensing. MDPI 2020-12-24 /pmc/articles/PMC7795775/ /pubmed/33374321 http://dx.doi.org/10.3390/s21010059 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Communication
Busleev, Nikolay
Kudryashov, Sergey
Saraeva, Irina
Danilov, Pavel
Rudenko, Andrey
Zayarny, Dmitry
Maier, Stefan A.
Minh, Pham Hong
Ionin, Andrey
Few Percent Efficient Polarization-Sensitive Conversion in Nonlinear Plasmonic Interactions Inside Oligomeric Gold Structures
title Few Percent Efficient Polarization-Sensitive Conversion in Nonlinear Plasmonic Interactions Inside Oligomeric Gold Structures
title_full Few Percent Efficient Polarization-Sensitive Conversion in Nonlinear Plasmonic Interactions Inside Oligomeric Gold Structures
title_fullStr Few Percent Efficient Polarization-Sensitive Conversion in Nonlinear Plasmonic Interactions Inside Oligomeric Gold Structures
title_full_unstemmed Few Percent Efficient Polarization-Sensitive Conversion in Nonlinear Plasmonic Interactions Inside Oligomeric Gold Structures
title_short Few Percent Efficient Polarization-Sensitive Conversion in Nonlinear Plasmonic Interactions Inside Oligomeric Gold Structures
title_sort few percent efficient polarization-sensitive conversion in nonlinear plasmonic interactions inside oligomeric gold structures
topic Communication
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7795775/
https://www.ncbi.nlm.nih.gov/pubmed/33374321
http://dx.doi.org/10.3390/s21010059
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