Discrete nonlinear localization in femtosecond laser written waveguides in fused silica Szameit, Alexander ; Blömer, Dominik ; Burghoff, Jonas ; Schreiber, Thomas ; Pertsch, Thomas ; Nolte, Stefan ; Tünnermann, Andreas ; Lederer, Falk Abstract Publication: Optics Express Pub Date: December 2005 DOI: 10.1364/OPEX.13.010552 Bibcode: 2005OExpr..1310552S