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Opt Express. 2011 Sep 12;19(19):18283-93. doi: 10.1364/OE.19.018283.

Nonlinear responses in optical metamaterials: theory and experiment.

Author information

1
State Key Laboratory of Surface Physics, Fudan University, Shanghai, China.

Abstract

We employed both theoretical calculations and experiments to study the nonlinear responses in optical metamaterials. The spectra of second-harmonic generations measured on a fishnet metamaterial are in quantitative agreements with calculations based on full-wave numerical simulations combined with field integrations, both exhibiting ~80 times enhancements at the magnetic resonance frequency. Our calculations explained several interesting features observed experimentally, and suggested an optimal metamaterial structure to yield the strongest nonlinear signals.

PMID:
21935195
DOI:
10.1364/OE.19.018283

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