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Your search keyword '"Kouomou, Y. Chembo"' showing total 10 results
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10 results on '"Kouomou, Y. Chembo"'

1. Mismatch-induced bit error rate in optical chaos communications using semiconductor lasers with electrooptical feedback

Author

Kouomou, Y. Chembo, Colet, Pere, Larger, Laurent, and Gastaud, Nicolas

Subjects
Semiconductor lasers -- Testing, Semiconductor lasers -- Electric properties, Semiconductor lasers -- Optical properties, Business, Computers, Electronics, Electronics and electrical industries
Abstract

The influence of parameter and receiver systems on the bit error rate of an optical chaos communicating scheme is investigated. Intensity hyperchaos is generated in the system by semiconductor lasers with electrooptical feedback.

Published
2005

10. Chaotic breathers in delayed electro-optical systems.

Author

Kouomou YC, Colet P, Larger L, and Gastaud N

Abstract

We show that in integro-differential delayed dynamical systems, a hybrid state of simultaneous fast-scale chaos and slow-scale periodicity can emerge subsequently to a sequence of Hopf bifurcations. The resulting time trace thereby consists in chaotic oscillations "breathing" periodically at a significantly lower frequency. Experimental evidence of this type of dynamics in delayed dynamical systems is achieved with a Mach-Zehnder modulator optically fed by a semiconductor laser and is subjected to a delayed nonlinear electro-optical feedback. We also propose a theoretical understanding of the phenomenon.

Published
2005
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