We investigate experimentally the interaction of two-dimensional solitary beams in photorefractive strontium barium niobate crystal. We show that simultaneous collision of many solitons can result in complete annihilation of some of them. This effect depends on the relative phases of the solitons and may be useful for application in the formation of multiport waveguide junctions.
© 1998 Optical Society of America
Wieslaw Królikowski, Barry Luther-Davies, Cornelia Denz, and Theo Tschudi, "Annihilation of photorefractive solitons," Opt. Lett. 23, 97-99 (1998)