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Title

Mismatch and synchronization: Influence of asymmetries in systems of two delay-coupled lasers

AuthorsFlunkert, Valentín ; Hicke, Konstantin ; D'Huys, Otti; Schöll, Eckehard; Danckaert, Jan; Fischer, Ingo
Issue Date18-May-2011
PublisherAmerican Physical Society
CitationPhysical Review E 83(5): 056211 (2011)
AbstractWe study the synchronization properties of the delay dynamics of two identical semiconductor lasers coupled through a semitransparent mirror. Via an analytical and numerical approach, we investigate the influence of asymmetries, in particular mismatches of self- and cross-coupling strength and differences in self- and cross-coupling delay. We show that the former mismatch affects the stability of the zero-lag state but not the dynamics within the synchronization manifold, while the latter mismatch does not affect the quality of synchronization but alters the dynamics significantly. Our results are extended to different unidirectional coupling schemes. This is highly relevant for communication schemes utilizing chaotic dynamics. Finally, the influence of nonlinear gain saturation on the dynamics and stability of synchronization is discussed.
DescriptionPACS number(s): 89.75.Kd, 05.45.Xt, 89.75.Hc, 02.30.Ks
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevE.83.056211
URIhttp://hdl.handle.net/10261/44427
DOI10.1103/PhysRevE.83.056211
ISSN1539-3755
Appears in Collections:(IFISC) Artículos
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