Proceedings PaperBistability In Quantum Optics: Chaos And Noise Effects
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This is a short review of the investigations done at Istituto Nazionale di Ottica on the onset of deterministic chaos in single mode, homogeneous line lasers. While carrying these researches, we discovered that bistabilty (or more generally multistability) is common to most nonlinear dynamical systems, that is, usually there are many coexisting attractors for the same control parameters. In such bistable (or multistable) situations, addition of a small amount of noise yields long memory effects displaying low frequency spectra of 1/f type. A theory of these effects is outlined.