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Collective Effects in Second-Harmonic Generation from Split-Ring-Resonator Arrays

Collective Effects in Second-Harmonic Generation from Split-Ring-Resonator Arrays
Author: S. Linden, F.B.P. Niesler, J. Förstner, Y. Grynko, T. Meier, and M. Wegener links:
Source: Phys. Rev. Lett. 109, 015502 (2012)
Date: 6.7.2012

Abstract: 

Optical experiments on second-harmonic generation from split-ring-resonator square arrays show a nonmonotonic dependence of the conversion efficiency on the lattice constant. This finding is interpreted in terms of a competition between dilution effects and linewidth or near-field changes due to interactions among the individual elements in the array.