Generation and detection of surface acoustic waves using single plasmonic nanoresonators

We show in this work that coherent phonons generated after the decay of optically-excited plasmons in isolated metallic nanoantennas, are transmitted through the substrate as surface acoustic waves (SAWs) which can be detected by other nanoantennas used as receptors and positioned at distances up to...

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Publicado: 2018
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Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_97819435_vPartF123-LAOP2018_n_p_Berte
http://hdl.handle.net/20.500.12110/paper_97819435_vPartF123-LAOP2018_n_p_Berte
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spelling paper:paper_97819435_vPartF123-LAOP2018_n_p_Berte2023-06-08T16:38:40Z Generation and detection of surface acoustic waves using single plasmonic nanoresonators Acoustic surface wave devices Fused silica Nanoantennas Numerical methods Photonics Plasmonics Plasmons Probes Vibrations (mechanical) Coherent phonons Decay characteristics Mechanical excitations Optical response Pump-probe technique Spectral content Surface acoustic waves Vibrational modes Acoustic waves We show in this work that coherent phonons generated after the decay of optically-excited plasmons in isolated metallic nanoantennas, are transmitted through the substrate as surface acoustic waves (SAWs) which can be detected by other nanoantennas used as receptors and positioned at distances up to 3μm away from the source. Two color sub-ps pump-probe technique and numerical methods suggest wave speed and amplitude decay characteristic of Rayleigh waves, the former within 3.2% of the predicted for fused silica. It is also shown that the mechanical excitation of the receptors via SAW modulates the optical response of the probe transmission and that its spectral content shows that the detection is feasible, even when the vibrational modes of the receptor are detuned from those of the source. © 2018 The Author (s). 2018 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_97819435_vPartF123-LAOP2018_n_p_Berte http://hdl.handle.net/20.500.12110/paper_97819435_vPartF123-LAOP2018_n_p_Berte
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Acoustic surface wave devices
Fused silica
Nanoantennas
Numerical methods
Photonics
Plasmonics
Plasmons
Probes
Vibrations (mechanical)
Coherent phonons
Decay characteristics
Mechanical excitations
Optical response
Pump-probe technique
Spectral content
Surface acoustic waves
Vibrational modes
Acoustic waves
spellingShingle Acoustic surface wave devices
Fused silica
Nanoantennas
Numerical methods
Photonics
Plasmonics
Plasmons
Probes
Vibrations (mechanical)
Coherent phonons
Decay characteristics
Mechanical excitations
Optical response
Pump-probe technique
Spectral content
Surface acoustic waves
Vibrational modes
Acoustic waves
Generation and detection of surface acoustic waves using single plasmonic nanoresonators
topic_facet Acoustic surface wave devices
Fused silica
Nanoantennas
Numerical methods
Photonics
Plasmonics
Plasmons
Probes
Vibrations (mechanical)
Coherent phonons
Decay characteristics
Mechanical excitations
Optical response
Pump-probe technique
Spectral content
Surface acoustic waves
Vibrational modes
Acoustic waves
description We show in this work that coherent phonons generated after the decay of optically-excited plasmons in isolated metallic nanoantennas, are transmitted through the substrate as surface acoustic waves (SAWs) which can be detected by other nanoantennas used as receptors and positioned at distances up to 3μm away from the source. Two color sub-ps pump-probe technique and numerical methods suggest wave speed and amplitude decay characteristic of Rayleigh waves, the former within 3.2% of the predicted for fused silica. It is also shown that the mechanical excitation of the receptors via SAW modulates the optical response of the probe transmission and that its spectral content shows that the detection is feasible, even when the vibrational modes of the receptor are detuned from those of the source. © 2018 The Author (s).
title Generation and detection of surface acoustic waves using single plasmonic nanoresonators
title_short Generation and detection of surface acoustic waves using single plasmonic nanoresonators
title_full Generation and detection of surface acoustic waves using single plasmonic nanoresonators
title_fullStr Generation and detection of surface acoustic waves using single plasmonic nanoresonators
title_full_unstemmed Generation and detection of surface acoustic waves using single plasmonic nanoresonators
title_sort generation and detection of surface acoustic waves using single plasmonic nanoresonators
publishDate 2018
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_97819435_vPartF123-LAOP2018_n_p_Berte
http://hdl.handle.net/20.500.12110/paper_97819435_vPartF123-LAOP2018_n_p_Berte
_version_ 1769175795979255808