Escaping Solitons from a trapping potential

M. Peccianti, A. Dyadyusha, M. Kaczmarek and G. Assanto

Phys. Rev. Lett. 101, 153902 (2008)


Solitons propagating within a confining potential undergo momentum-dependent scattering and eventually escape for large excitations. We experimentally highlight this phenomenon in the presence of a nonperturbative nonlinear response using self-confined ligth beams in a reorientational medium