Issue |
ESAIM: M2AN
Volume 35, Number 1, January/February 2001
|
|
---|---|---|
Page(s) | 35 - 55 | |
DOI | https://doi.org/10.1051/m2an:2001106 | |
Published online | 15 April 2002 |
Numerical study of self-focusing solutions to the Schrödinger-Debye system
Laboratoire MIP, CNRS UMR 5640, Université Paul Sabatier,
118 route de Narbonne, Toulouse Cedex 4, France. (besse@mip.ups-tlse.fr; bidegara@mip.ups-tlse.fr)
Received:
24
March
2000
Revised:
13
September
2000
In this article we implement different numerical schemes to simulate the Schrödinger-Debye equations that occur in nonlinear optics. Since the existence of blow-up solutions is an open problem, we try to compute such solutions. The convergence of the methods is proved and simulations seem indeed to show that for at least small delays self-focusing solutions may exist.
Résumé
Dans cet article nous mettons en œuvre différents schémas numériques pour simuler les équations de Schrödinger-Debye qui sont issues de l'optique non linéaire. Comme l'existence de solutions qui explosent en temps fini est un problème ouvert, nous essayons de calculer de telles solutions. On prouve la convergence des méthodes et les résultats numériques semblent en effet montrer qu'au moins pour de petits temps de retard il peut exister des solutions qui explosent en temps fini.
Mathematics Subject Classification: 35Q55 / 35Q60 / 65M06 / 65M70 / 78A60
Key words: Nonlinear optics / Schrödinger-like equations / relaxation method / split-step method / self-focusing.
© EDP Sciences, SMAI, 2001
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