Transient perturbative nonlinear responses of plasmonic materials

Mikko J. Huttunen; Jussi Kelavuori; Marco Ornigotti

doi:10.1103/PhysRevA.102.063525

Transient perturbative nonlinear responses of plasmonic materials

Mikko J. Huttunen, Jussi Kelavuori, Marco Ornigotti

Physics

Research output: Contribution to journal › Article › Scientific › peer-review

Abstract

Recent investigations on optical nonlinearities of plasmonic materials suggest their responses may be even beyond the usual perturbative description. To better understand these surprisingly strong responses, we develop here a simple but general approach to describe the nonlinear optical response of plasmonic materials up to nth perturbation order. We apply the approach to understand spectral broadening occurring in resonant metasurfaces and investigate the enhancement of multiharmonic generation from multiply resonant metasurfaces, predicting an over 1×106-fold enhancement of higher harmonics.

Original language	English
Article number	063525
Number of pages	7
Journal	Physical Review A
Volume	102
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevA.102.063525
Publication status	Published - 18 Dec 2020
Publication type	A1 Journal article-refereed

Publication forum classification

Publication forum level 2

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.102.063525

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title = "Transient perturbative nonlinear responses of plasmonic materials",

abstract = "Recent investigations on optical nonlinearities of plasmonic materials suggest their responses may be even beyond the usual perturbative description. To better understand these surprisingly strong responses, we develop here a simple but general approach to describe the nonlinear optical response of plasmonic materials up to nth perturbation order. We apply the approach to understand spectral broadening occurring in resonant metasurfaces and investigate the enhancement of multiharmonic generation from multiply resonant metasurfaces, predicting an over 1×106-fold enhancement of higher harmonics.",

author = "Huttunen, {Mikko J.} and Jussi Kelavuori and Marco Ornigotti",

note = "Funding Information: We thank Ksenia Dolgaleva for her valuable feedback and comments. We acknowledge the support of the Academy of Finland (Grant No. 308596) and the Flagship of Photonics Research and Innovation (PREIN) funded by the Academy of Finland (Grant No. 320165). Publisher Copyright: {\textcopyright} 2020 American Physical Society. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

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AU - Kelavuori, Jussi

AU - Ornigotti, Marco

N1 - Funding Information: We thank Ksenia Dolgaleva for her valuable feedback and comments. We acknowledge the support of the Academy of Finland (Grant No. 308596) and the Flagship of Photonics Research and Innovation (PREIN) funded by the Academy of Finland (Grant No. 320165). Publisher Copyright: © 2020 American Physical Society. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020/12/18

Y1 - 2020/12/18

N2 - Recent investigations on optical nonlinearities of plasmonic materials suggest their responses may be even beyond the usual perturbative description. To better understand these surprisingly strong responses, we develop here a simple but general approach to describe the nonlinear optical response of plasmonic materials up to nth perturbation order. We apply the approach to understand spectral broadening occurring in resonant metasurfaces and investigate the enhancement of multiharmonic generation from multiply resonant metasurfaces, predicting an over 1×106-fold enhancement of higher harmonics.

AB - Recent investigations on optical nonlinearities of plasmonic materials suggest their responses may be even beyond the usual perturbative description. To better understand these surprisingly strong responses, we develop here a simple but general approach to describe the nonlinear optical response of plasmonic materials up to nth perturbation order. We apply the approach to understand spectral broadening occurring in resonant metasurfaces and investigate the enhancement of multiharmonic generation from multiply resonant metasurfaces, predicting an over 1×106-fold enhancement of higher harmonics.

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DO - 10.1103/PhysRevA.102.063525

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