Abstract
It is well known that near-resonant (i.e., close to subharmonic frequency) periodic perturbations depending on the type of bifurcation (supercritical or subcritical) can. produce stabilizing, or destabilizing shifts of the bifurcation points in dynamical systems,1-4 including CO2 lasers.4 Recently, it was shown theoretically that small deviations of the perturbation frequency from the subharonic one in the nonfedback control of chaos in CO2 lasers results in a regular alternation between periodic and chaotic behaviors.
© 1996 Optical Society of America
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