Abstract
The nature of the forces between mutually coherent interacting solitons has been discussed in the literature for both temporal as well as spatial solitons [1-2]. It has been established that in the case of homogenous self-focusing media the interaction force depends on the relative phase of the solitons. In particular, two in-phase solitons attract while out-of-phase solitons repel. Phase-sensitive attraction, repulsion, and fusion of spatial solitons have been demonstrated in experiments with various nonlinear media including liquids [3], glass waveguides [4], atomic vapours [5], and photorefractive crystals [6].
© 1998 Optical Society of America
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