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Phys Rev Lett. 2008 Oct 10;101(15):153902. Epub 2008 Oct 7.

Escaping solitons from a trapping potential.

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Nonlinear Optics and OptoElectronics Lab, Department of Electronic Engineering, INFN and CNISM, University Roma Tre, Via della Vasca Navale 84, 00146, Rome, Italy.


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 light beams in a reorientational medium.

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