Selftrapping of bright Rings

We present experimental observations of self-trapped rings carrying zero topological charge, along with simulations displaying their self-focusing dynamics and their stability for saturable nonlinearities.

[1]  Chen,et al.  Stability of three-dimensional self-trapped beams with a dark spot surrounded by bright rings of varying intensity. , 1994, Physical review. A, Atomic, molecular, and optical physics.

[2]  Hermann A. Haus,et al.  HIGHER ORDER TRAPPED LIGHT BEAM SOLUTIONS , 1966 .

[3]  P. S. Lomdahl,et al.  Return and collapse of solutions to the nonlinear Schrödinger equation in cylindrical symmetry , 1980 .

[4]  M. Segev,et al.  Steady-state spatial screening solitons in photorefractive materials with external applied field. , 1994, Physical review letters.

[5]  Marin Soljacic,et al.  Self-Trapping of ``Necklace'' Beams in Self-Focusing Kerr Media , 1998, physics/9810020.

[6]  Afanasjev.  Rotating ring-shaped bright solitons. , 1995, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics.

[7]  D. R. Heatley,et al.  Stability of the higher-bound states in a saturable self-focusing medium. , 1991, Physical review. A, Atomic, molecular, and optical physics.