Abstract
It is demonstrated that tailored optoelectronic feedback can be used selectively to excite periodic dynamical output from external cavity semiconductor lasers undergoing a period-doubling bifurcation cascade on the route to the chaotic coherence-collapse regime. The optoelectronic feedback can effectively suppress or invert the bifurcation sequence so that low-order periodic motion can be resonantly excited from high-order periodic or chaotic dynamics. The robustness of coherence-collapse control to intrinsic laser-diode noise is investigated. The application of the technique in chaotic communications and its role in chaos control are discussed.
© 1997 Optical Society of America
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