Second-harmonic generation in vortex-induced waveguides

José R. Salgueiro, Andreas H. Carlsson, Elena Ostrovskaya, Yuri Kivshar
2004 Optics Letters  
We study the second-harmonic generation and localization of light in a reconfigurable waveguide induced by an optical vortex soliton in a defocusing Kerr medium. We show that the vortex-induced waveguide greatly improves conversion efficiency from the fundamental to the second harmonic field.
doi:10.1364/ol.29.000593 pmid:15035481 fatcat:xiu3pesymfdnhhduund4gkumgu