Proceedings of the Conference on Nonlinear Coherent Structures in Physics and Biology,
Heriot-Watt University, Edinburgh, July 95

Collision of Solitary Waves in Media With a Second-order Nonlinearity

C. Etrich ¹, U. Peschel, F. Lederer and B. Malomed

¹Institut für Festkörpertheorie und Theoretische Optik,
Friedrich-Schiller-Universität Jena.
Max-Wien-Platz 1, 07743 Jena, Germany


We consider the collision behaviour of self-trapped optical beams in media with a quadratic nonlinearity. It is found that the solitary waves behave similarly to true solitons above a critical velocity. Below this velocity they merge and form oscillating states.

Conference paper.


Last modified Mon Apr 8 16:25:00 GB-Eire 1996 (DBD)