Enhanced Second-Harmonic Generation with Structured Light in AlGaAs Nanoparticles Governed by Magnetic Response

E. V. Melik-Gaykazyan; K. L. Koshelev; J. H. Choi; S. S. Kruk; H. G. Park; A. A. Fedyanin; Y. S. Kivshar

doi:10.1134/S0021364019020036

Enhanced Second-Harmonic Generation with Structured Light in AlGaAs Nanoparticles Governed by Magnetic Response

E. V. Melik-Gaykazyan, K. L. Koshelev, J. H. Choi, S. S. Kruk, H. G. Park, A. A. Fedyanin, Y. S. Kivshar

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

19 Citations (Scopus)

Abstract

We employ structured light for the second-harmonic generation from subwavelength AlGaAs nanoparticles that support both electric and magnetic multipolar Mie resonances. The vectorial structure of the pump beam allows addressing selectively Mie-resonant modes and control the strength of the generated nonlinear fields. We observe experimentally the enhancement of the second-harmonic generation for the azimuthally polarized vector beams near the magnetic dipole resonance, and match our observations with the numerical decomposition of the Mie-type multipoles for the fundamental and generated second-harmonic fields.

Original language	English
Pages (from-to)	131-135
Number of pages	5
Journal	JETP Letters
Volume	109
Issue number	2
DOIs	https://doi.org/10.1134/S0021364019020036
Publication status	Published - 2019 Jan 1

Bibliographical note

Publisher Copyright:
© 2019, Pleiades Publishing, Inc.

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1134/S0021364019020036

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title = "Enhanced Second-Harmonic Generation with Structured Light in AlGaAs Nanoparticles Governed by Magnetic Response",

abstract = "We employ structured light for the second-harmonic generation from subwavelength AlGaAs nanoparticles that support both electric and magnetic multipolar Mie resonances. The vectorial structure of the pump beam allows addressing selectively Mie-resonant modes and control the strength of the generated nonlinear fields. We observe experimentally the enhancement of the second-harmonic generation for the azimuthally polarized vector beams near the magnetic dipole resonance, and match our observations with the numerical decomposition of the Mie-type multipoles for the fundamental and generated second-harmonic fields.",

author = "Melik-Gaykazyan, {E. V.} and Koshelev, {K. L.} and Choi, {J. H.} and Kruk, {S. S.} and Park, {H. G.} and Fedyanin, {A. A.} and Kivshar, {Y. S.}",

note = "Publisher Copyright: {\textcopyright} 2019, Pleiades Publishing, Inc.",

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doi = "10.1134/S0021364019020036",

language = "English",

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T1 - Enhanced Second-Harmonic Generation with Structured Light in AlGaAs Nanoparticles Governed by Magnetic Response

AU - Melik-Gaykazyan, E. V.

AU - Koshelev, K. L.

AU - Choi, J. H.

AU - Kruk, S. S.

AU - Park, H. G.

AU - Fedyanin, A. A.

AU - Kivshar, Y. S.

PY - 2019/1/1

Y1 - 2019/1/1

N2 - We employ structured light for the second-harmonic generation from subwavelength AlGaAs nanoparticles that support both electric and magnetic multipolar Mie resonances. The vectorial structure of the pump beam allows addressing selectively Mie-resonant modes and control the strength of the generated nonlinear fields. We observe experimentally the enhancement of the second-harmonic generation for the azimuthally polarized vector beams near the magnetic dipole resonance, and match our observations with the numerical decomposition of the Mie-type multipoles for the fundamental and generated second-harmonic fields.

AB - We employ structured light for the second-harmonic generation from subwavelength AlGaAs nanoparticles that support both electric and magnetic multipolar Mie resonances. The vectorial structure of the pump beam allows addressing selectively Mie-resonant modes and control the strength of the generated nonlinear fields. We observe experimentally the enhancement of the second-harmonic generation for the azimuthally polarized vector beams near the magnetic dipole resonance, and match our observations with the numerical decomposition of the Mie-type multipoles for the fundamental and generated second-harmonic fields.

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U2 - 10.1134/S0021364019020036

DO - 10.1134/S0021364019020036

M3 - Article

AN - SCOPUS:85060185940

SN - 0021-3640

VL - 109

SP - 131

EP - 135

JO - JETP Letters

JF - JETP Letters

IS - 2

ER -

Enhanced Second-Harmonic Generation with Structured Light in AlGaAs Nanoparticles Governed by Magnetic Response

Abstract

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