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, Hong-Gyu Park, A. A. Fedyanin, Y. S. Kivshar

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)131-135
Number of pages5
JournalJETP Letters
Volume109
Issue number2
DOIs
Publication statusPublished - 2019 Jan 1

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aluminum gallium arsenides
harmonic generations
nanoparticles
magnetic dipoles
multipoles
pumps
harmonics
decomposition
augmentation

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Melik-Gaykazyan, E. V., Koshelev, K. L., Choi, J. H., Kruk, S. S., Park, H-G., Fedyanin, A. A., & Kivshar, Y. S. (2019). Enhanced Second-Harmonic Generation with Structured Light in AlGaAs Nanoparticles Governed by Magnetic Response. JETP Letters, 109(2), 131-135. https://doi.org/10.1134/S0021364019020036

Enhanced Second-Harmonic Generation with Structured Light in AlGaAs Nanoparticles Governed by Magnetic Response. / Melik-Gaykazyan, E. V.; Koshelev, K. L.; Choi, J. H.; Kruk, S. S.; Park, Hong-Gyu; Fedyanin, A. A.; Kivshar, Y. S.

In: JETP Letters, Vol. 109, No. 2, 01.01.2019, p. 131-135.

Research output: Contribution to journalArticle

Melik-Gaykazyan, EV, Koshelev, KL, Choi, JH, Kruk, SS, Park, H-G, Fedyanin, AA & Kivshar, YS 2019, 'Enhanced Second-Harmonic Generation with Structured Light in AlGaAs Nanoparticles Governed by Magnetic Response', JETP Letters, vol. 109, no. 2, pp. 131-135. https://doi.org/10.1134/S0021364019020036
Melik-Gaykazyan, E. V. ; Koshelev, K. L. ; Choi, J. H. ; Kruk, S. S. ; Park, Hong-Gyu ; Fedyanin, A. A. ; Kivshar, Y. S. / Enhanced Second-Harmonic Generation with Structured Light in AlGaAs Nanoparticles Governed by Magnetic Response. In: JETP Letters. 2019 ; Vol. 109, No. 2. pp. 131-135.
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