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Controlling pattern formation and spatio-temporal disorder in nonlinear optics
We present a feedback control method for the stabilization of unstable patterns and for the control of spatio-temporal disorder. The control takes the form of a spatial modulation to the input pump, which is obtained via filtering in Fourier space of the output electric field. The control is powerful, flexible and non-invasive: the feedback vanishes once control is achieved. We demonstrate by means of computer simulation, the effect of the control in two different optical systems.doi:10.1364/oe.1.000039 pmid:19373377 fatcat:hdjred5zmrat3hoywiinigdlwa