Mutual trapping of the fundamental and second-harmonic waves propagating in a material with cascaded second-order nonlinearity is investigated. Formation of solitonlike waves under a variety of excitation conditions is numerically observed, consistent with the robustness hypothesis of solitons.
© 1994 Optical Society of America
Original Manuscript: May 9, 1994
Published: October 15, 1994
Lluis Torner, Curtis R. Menyuk, and George I. Stegeman, "Excitation of solitons with cascaded χ(2) nonlinearities," Opt. Lett. 19, 1615-1617 (1994)