Strongly enhanced backward second-harmonic generation with slow light in a two-dimensional photonic crystal

Iliew, Rumen; Etrich, Christoph; Pertsch, Thomas; Kivshar, Yuri S.; Lederer, Falk

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Strongly enhanced backward second-harmonic generation with slow light in a two-dimensional photonic crystal

Date

2010

Authors

Abstract

We obtain greatly enhanced conversion efficiencies of backward second-harmonic generation by exploiting small group velocities at phase match in a two-dimensional quadratically nonlinear photonic crystal. The efficiencies obtained from a modal approach are rigorously confirmed.