We present experimental observations of self-trapped rings carrying zero topological charge, along with simulations that display the self-focusing dynamics of the rings and their stability features in materials with saturable nonlinearities.
© 2001 Optical Society of America
Charalambos Anastassiou, Claude Pigier, Mordechai Segev, Detlef Kip, Eugenia D. Eugenieva, and Demetrios N. Christodoulides, "Self-trapping of bright rings," Opt. Lett. 26, 911-913 (2001)