We analyze the interactions of (2 + 1)-dimensional parametric solitons and demonstrate nonplanar beam switching in a bulk chi((2)) medium, which includes controllable soliton repulsion, spiraling, and fusion. analytical model predicting the results of the soliton scattering is derived and verified by direct numerics. (C) 1998 Optical Society of America. OCIS codes: 190.4390, 190.4410, 190.5530, 290.0290. [References: 19]
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