Multipolar Third-Harmonic Generation Driven by Optically Induced Magnetic Resonances

Daria A. Smirnova, Alexander B. Khanikaev, Lev A. Smirnov, Yuri S. Kivshar*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    93 Citations (Scopus)

    Abstract

    We analyze third-harmonic generation from high-index dielectric nanoparticles and discuss the basic features and multipolar nature of the parametrically generated electromagnetic fields near the Mie-type optical resonances. By combining both analytical and numerical methods, we study the nonlinear scattering from simple nanoparticle geometries such as spheres and disks in the vicinity of the magnetic dipole resonance. We reveal the approaches for manipulating and directing the resonantly enhanced nonlinear emission with subwavelength all-dielectric structures that can be of particular interest for novel designs of nonlinear optical antennas and engineering the magnetic optical nonlinear response at nanoscale.

    Original languageEnglish
    Pages (from-to)1468-1476
    Number of pages9
    JournalACS Photonics
    Volume3
    Issue number8
    DOIs
    Publication statusPublished - 17 Aug 2016

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