Title :
Discrete self-trapping vs. defocusing in nonlinear waveguide arrays
Author :
Rosberg, Christian R. ; Matuszewski, Michal ; Neshev, Dragomir N. ; Sukhorukov, Andrey A. ; Mitchel, Arnan ; Trippenbach, Marek ; Austin, Michael W. ; Krolikowski, Wieslaw ; Kivshar, Yuri S.
Author_Institution :
Nonlinear Phys. Centre & Laser Phys. Centre, Australian Nat. Univ., Canberra, ACT
Abstract :
We predict a sharp crossover from self-defocusing to discrete localization in photonic lattices with defocusing nonlinearity for increasing index contrast. We demonstrate experimentally discrete self-trapping of light by single site excitation in LiNbO3 waveguide arrays.
Keywords :
lithium compounds; niobium compounds; optical arrays; optical lattices; optical self-focusing; optical waveguides; photoexcitation; photonic crystals; radiation pressure; LiNbO3; discrete localization; discrete self-trapping; index contrast; nonlinear periodic photonic structures; nonlinear waveguide arrays; photonic lattices; self defocusing; single site excitation; Nonlinear optics; Optical arrays; Optical modulation; Optical propagation; Optical refraction; Optical solitons; Optical variables control; Optical waveguides; Physics; Refractive index; 190.4420; 190.5940;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628901
