Abstract

The oblique interaction of two dark spatial soliton stripes propagating in a uniform self-defocusing Kerr medium is considered. Both positive and negative colliding phase shifts are possible, depending on the blackness of the dark solitons and the geometry of the interaction. The critical angle between the propagating directions of two solitons at which no phase shift occurs as a result of the interaction is 120°.

© 1997 Optical Society of America

Controllable branching of optical beams by quasi-two-dimensional dark spatial solitons

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