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Título : Chaotic breathers in delayed electro-optical systems
Autor : Chembo Kouomou, Yanne, Colet, Pere, Larger, Laurent, Gastaud, Nicolas
Palabras clave : Optical chaos
Integro-differential equations
Bifurcation
Optical feedback
Mach-Zehnder interferometers
Semiconductor lasers
Electro-optical effects
Electro-optical modulation
Nonlinear optics
Nonlinear dynamical systems
Fecha de publicación : 9-Nov-2005
Editor: American Physical Society
Resumen: We show that in integro-differential delayed dynamical systems, a hybrid state of simultaneous fastscale 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.
Descripción : 4 pages, 6 figures.-- PACS nrs.: 42.65.Sf, 05.45.Jn.-- PMID: 16384058 [PubMed].
Versión del editor: http://dx.doi.org/10.1103/PhysRevLett.95.203903
URI : http://hdl.handle.net/10261/7513
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.95.203903
Citación : Physical Review Letters 95, 203903 (2005)
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