Optical gap solitons via second-harmonic generation: exact solitary solutions

C. Conti, S. Trillo, and G. Assanto

Phys. Rev. E 57, R1251-R1254 (1998)


We report exact stationary localized solutions of the coupled-mode equations which describe two-color trapping through the interplay of ~either single or double! Bragg coupling and second-harmonic generation. We check numerically their stability against small perturbations.