Abstract
In the growing field of transverse nonlinear optics1 the phenomenon of spatial multistability is one of the most relevant because of possible applications to optical information processing. It consists of the capability, displayed by several kinds of lasers, of emitting beams with different spatial configurations under the same parametric conditions. Here we demonstrate spatial bistability in a vertical-cavity surface-emitting laser2 (VCSEL), and we suggest the exploitation of this property for the realization of an optical logic gate.
© 1995 Optical Society of America
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