Resonant second harmonic generation in random dielectric structures Auteur(s): Centini M., Felbacq D., Wiersma Diederick S., Sibilia Concita, Scalora Michael, Bertolotti Mario (Article) Publié: Journal Of The European Optical Society:rapid Publications, vol. 1 p.06021 (2006) Texte intégral en Openaccess : Ref HAL: hal-00437975_v1 DOI: 10.2971/jeos.2006.06021 WoS: 000206312700025 Exporter : BibTex | endNote 10 Citations Résumé: We show that resonant second harmonic generation can be obtained in random dielectric structures. The scheme is based on internal resonances due to the optical counterpart of Anderson localization. By making use of different localization lengths at the fundamental and at the second harmonic frequencies, we predict a conversion efficiency that is four orders of magnitude higher than a bulk material and even one order of magnitude higher than an ideal phase matched slab of the same size. The method is highly insensitive to fabrication tolerances, and provides excellent angle tunability. [DOI:10.2971/jeos.2006.06021] |