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

Contour plots of interactions among four solitons in components (a) |p| and (b) |q| for ς11=ς21=ς12=ς22=1+i , ς31=ς41=ς32=ς42=1 .