Symmetry Breaking and Second-Harmonic Generation in Plasmonic Nanoparticle Arrays

Aoxue Han; Aoxue Han; Colm Dineen; Colm Dineen; Md Sakibul Islam; Jerome V. Moloney; Jerome V. Moloney; Jerome V. Moloney; Viktoriia E. Babicheva

doi:10.1364/NLO.2023.Tu2B.4

Optica Nonlinear Optics Topical Meeting 2023
Technical Digest Series (Optica Publishing Group, 2023),
paper Tu2B.4
•https://doi.org/10.1364/NLO.2023.Tu2B.4

Symmetry Breaking and Second-Harmonic Generation in Plasmonic Nanoparticle Arrays

Aoxue Han, Colm Dineen, Md Sakibul Islam, Jerome V. Moloney, and Viktoriia E. Babicheva

Nonlinear Optics 2023

Honolulu, Hawaii United States
10–13 July 2023
ISBN: 978-1-957171-23-4

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Nonlinear Optics in Sub-Wavelength Structures (Tu2B)

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A. Han, C. Dineen, M. S. Islam, J. V. Moloney, and V. E. Babicheva, "Symmetry Breaking and Second-Harmonic Generation in Plasmonic Nanoparticle Arrays," in Optica Nonlinear Optics Topical Meeting 2023, Technical Digest Series (Optica Publishing Group, 2023), paper Tu2B.4.

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Abstract

We study second-harmonic generation in plasmonic nanoantennas with multi-pole Mie lattice resonances, exploring excitation conditions and periods. The symmetry is broken because of the coupling between the magnetic dipole and electric quadrupole in the lattice.

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