Author(s): Lior Michaeli, Shay Keren-Zur, Ori Avayu, Haim Suchowski, and Tal Ellenbogen
A 30-fold increase in second harmonic emission is reported from an array of split-ring resonators. The enhancement is attributed to two sources: the Rayleigh-Wood anomaly and a collective surface lattice resonance mode.
[Phys. Rev. Lett. 118, 243904] Published Fri Jun 16, 2017