A. L. Chekhov, P. N. Naydenov, O. V. Golikova, A. V. Bespalov, A. I. Stognij, T. V. Murzina, “Magnetoplasmonic crystals: Resonant linear and nonlinear magnetooptical effects”, Fizika Tverdogo Tela, 2016, Volume 58, Issue 11,Pages <nobr>2171

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XX International Symposium ''Nanophysics and Nanoelectronics'', Nizhny Novgorod, March 14-18, 2016
Optical Properties

Magnetoplasmonic crystals: Resonant linear and nonlinear magnetooptical effects

A. L. Chekhov^a, P. N. Naydenov^b, O. V. Golikova^b, A. V. Bespalov^b, A. I. Stognij^c, T. V. Murzina^a

^a Lomonosov Moscow State University
^b MIREA — Russian Technological University, Moscow
^c Scientific-Practical Materials Research Centre of NAS of Belarus, Minsk, Belarus

Abstract: Results of spectroscopic analysis of the optical second-harmonic (SH) generation in magnetic plasmonic structures comprised of iron garnet and periodic arrays of gold stripes are presented. It is shown experimentally that, in the region of the resonant excitation of a surface plasmon on the metal–magnetic dielectric interface, an increase in the SH intensity and an alternating modulation of the magnetic contrast for the SH, reaching 40%, are observed. The results are described in terms of a nonlinear Fano resonance.