Enhancement of second harmonic generation due to quasi-phase matching condition in a GaN-based one-dimensional photonic crystal

Juan J Torres,D Coquillat,R Legros, J P Lascaray,D Peyrade,Y Chen,R M De La Rue,M Le Vassor Dyerville,Emmanuel Centeno,David Cassagne,J Albert

Vancouver, BC, Canada（2003）

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摘要

This paper reports measurements of the the giant second harmonic generation (SHG) enhancement of a 1D thin-film GaN-based photonic structure. The extraordinary enhancement has been obtained in specular reflection when the angular configuration satisfies the quasi-phase-matching (QPM) conditions, i.e. when both the fundamental and SH fields are resonant with radiative Bloch modes.

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关键词

iii-v semiconductors,gallium compounds,optical films,optical harmonic generation,optical phase matching,photonic band gap,photonic crystals,reflectivity,semiconductor thin films,wide band gap semiconductors,1d thin-film gan-based photonic structure,gan,gan-based photonic crystal,one-dimensional photonic crystal,quasiphase matching,radiative bloch modes,second harmonic generation enhancement,specular reflection,thin film,second harmonic generation,photonic crystal,surface waves,resonance,optical scattering,satisfiability

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