Abstract

Phase-dependent interactions of two photovoltaic bright spatial solitons in photorefractive Fe:LiNbO3 have been studied experimentally. We have observed that in-phase solitons attract each other and fuse together for a small enough crossing angle, whereas out-of-phase solitons repel each other. These results are similar to interactions of bright screening spatial solitons found in saturable photorefractive media such as strontium barium niobate.

© 2006 Optical Society of America

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