Four-soliton solution and soliton interactions of the generalized coupled nonlinear Schrödinger equation
Song Li-Jun †, Xu Xiao-Ya, Wang Yan
       

Contour plots of quasi-elastic interactions among four solitons in components (a) |p| and (b) |q| for k1 = 1, k2 = 1.5, k3 = 1 +3i, and k4 = 1 − 3i.