Synchronization of spatiotemporal disorder

A nonlinear optical single feedback system is used to explore the effect of spatiotemporal synchronization. The synchronization scheme under consideration is the unidirectional coupling of identical systems. In our experiments, we use a liquid crystal light valve (LCLV) in a single optical feedback system as saturable Kerr nonlinearity. In this system, the formation of hexagonal, i.e. periodic patterns is observed above threshold.