The effects of refractive anisotropy and induced birefringence on spatial soliton collisions in an AlGaAs slab waveguide are studied for the two crystal-growth planes  and . A detailed numerical study of the interaction dynamics as a function of crystal orientation and for varying degrees of linear birefringence is reported. The anisotropic nonlinear regime is studied in the context of soliton interactions, and the dependence of phase-mismatched parametric processes on linear birefringence is used to propose a novel birefringence-managed switching architecture.
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