Enhanced distribution of a wave-packet in lattices with disorder and nonlinearity.
Opt Express
; 21(1): 927-34, 2013 Jan 14.
Article
em En
| MEDLINE
| ID: mdl-23388986
We show, numerically and experimentally, that the presence of weak disorder results in an enhanced energy distribution of an initially localized wave-packet, in one- and two-dimensional finite lattices. The addition of a focusing nonlinearity facilitates the spreading effect even further by increasing the wave-packet effective size. We find a clear transition between the regions of enhanced spreading (weak disorder) and localization (strong disorder).
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Opt Express
Assunto da revista:
OFTALMOLOGIA
Ano de publicação:
2013
Tipo de documento:
Article
País de afiliação:
Chile
País de publicação:
Estados Unidos