STABILITY OF STRONGLY LOCALIZED EXCITATIONS IN DISCRETE MEDIA WITH CUBIC NONLINEARITY

Citation
S. Darmanyan et al., STABILITY OF STRONGLY LOCALIZED EXCITATIONS IN DISCRETE MEDIA WITH CUBIC NONLINEARITY, Journal of experimental and theoretical physics, 86(4), 1998, pp. 682-686
Citations number
21
Categorie Soggetti
Physics
ISSN journal
10637761
Volume
86
Issue
4
Year of publication
1998
Pages
682 - 686
Database
ISI
SICI code
1063-7761(1998)86:4<682:SOSLEI>2.0.ZU;2-N
Abstract
By using a linear analysis it is analytically shown that the stability of strongly localized modes depends on their symmetry, the sign of no nlinearity, and the degree of localization. The existence of a stable, bright, even mode of the discrete nonlinear Schrodinger equation is d emonstrated and confirmed by direct numerical simulations. Possible ap plications to all-optical switching are discussed. (C) 1998 American I nstitute of Physics.