Second-harmonic generation by a graphene nanoparticle

Daria A. Smirnova, Ilya V. Shadrivov, Andrey E. Miroshnichenko, Alexander I. Smirnov, and Yuri S. Kivshar

Phys. Rev. B 90, 035412 – Published 11 July 2014

Abstract

We study the second-harmonic generation by a spherical dielectric nanoparticle covered by graphene. We demonstrate that a strong nonlinear response is caused by an induced surface current in the graphene nanoparticle illuminated by an external electromagnetic wave. We obtain analytical expressions for the field multipoles characterizing the second-harmonic radiation and analyze the dependence of intensity and directivity of the nonlinear scattering on the frequency and structure of the electromagnetic field, revealing the asymmetric radiation patterns due to constructive multipole interference for the resonantly enhanced second-harmonic generation.

Received 6 May 2014
Revised 10 June 2014

DOI:https://doi.org/10.1103/PhysRevB.90.035412

Authors & Affiliations

Daria A. Smirnova¹, Ilya V. Shadrivov¹, Andrey E. Miroshnichenko¹, Alexander I. Smirnov^2,3, and Yuri S. Kivshar¹

¹Nonlinear Physics Center, Research School of Physics and Engineering, Australian National University, Canberra ACT 0200, Australia
²Lobachevsky State University, Nizhny Novgorod 603950, Russia
³Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod 603950, Russia

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Issue

Vol. 90, Iss. 3 — 15 July 2014

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covering condensed matter and materials physics