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Open Access item Chaotic breathers in delayed electro-optical systems

Authors:Chembo Kouomou, Yanne
Colet, Pere
Larger, Laurent
Gastaud, Nicolas
Keywords:Optical chaos, Integro-differential equations, Bifurcation, Optical feedback, Mach-Zehnder interferometers, Semiconductor lasers, Electro-optical effects, Electro-optical modulation, Nonlinear optics, Nonlinear dynamical systems
Issue Date:9-Nov-2005
Publisher:American Physical Society
Citation:Physical Review Letters 95, 203903 (2005)
Abstract: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.
Description:4 pages, 6 figures.-- PACS nrs.: 42.65.Sf, 05.45.Jn.-- PMID: 16384058 [PubMed].
Publisher version (URL):http://dx.doi.org/10.1103/PhysRevLett.95.203903
URI:http://hdl.handle.net/10261/7513
ISSN:0031-9007
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Appears in Collections:(IFISC) Artículos

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