Parametric plasmonics and second harmonic generation in particle chains | Zendy

Ben Z. Steinberg | Zendy

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Parametric plasmonics and second harmonic generation in particle chains

Author(s) -

Ben Z. Steinberg

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.025843

Subject(s) - plasmon , second harmonic generation , nonlinear optics , high harmonic generation , parametric statistics , optics , electric field , physics , particle (ecology) , sum frequency generation , nonlinear system , surface second harmonic generation , harmonic , laser , quantum mechanics , statistics , oceanography , mathematics , geology

Parametric optics and second harmonic generation in pure plasmonic particle chains are studied. By a proper design of the plasmonic particle geometry, the modes supported by the chain can achieve phase-matching conditions. Then the magnetic-field dependence of the plasmon electric susceptibility can provide the nonlinearity and the coupling mechanism leading to parametric processes, sum frequency and second harmonic generation. Hence, chains of plasmonic particles can support parametric optics and higher harmonic generation by using its own modes only. Since the second order nonlinearity involves both electric and magnetic fields, the SHG reported here is supported also by centrosymmetric particle chains.

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