We present a study of the dynamics of multiple soliton bound states in diffractive media with second-order nonlinearity. A numerical stability analysis of these bound states reveals that wave propagation in quadratic materials exhibits spatial symmetry-breaking instabilities.
© 1997 Optical Society of America
M. Haelterman, S. Trillo, and P. Ferro, "Multiple soliton bound states and symmetry breaking in quadratic media," Opt. Lett. 22, 84-86 (1997)