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Open Access item Chaos Synchronization and Spontaneous Symmetry Breaking in Symmetrically Delay Coupled Semiconductor Lasers

Authors:Heil, Tilmann
Fischer, Ingo
Elsässer, Wolfgang
Mulet, Josep
Mirasso, Claudio R.
Issue Date:2001
Publisher:American Physical Society
Citation:Physical Review Letters 86: 795-798 (2001)
Abstract:We present experimental and numerical investigations of the dynamics of two device-identical, optically coupled semiconductor lasers exhibiting a delay in the coupling. Our results give evidence for subnanosecond coupling-induced synchronized chaotic dynamics in conjunction with a spontaneous symmetry-breaking: we find a well-defined time lag between the dynamics of the two lasers, and an asymmetric physical role of the subsystems. We demonstrate that the leading laser synchronizes its lagging counterpart, whereas the synchronized lagging laser drives the coupling-induced instabilities.
Description:PACS: 05.45.Xt, 42.55.Px, 42.65.Sf
Publisher version (URL):http://dx.doi.org/10.1103/PhysRevLett.86.795
URI:http://hdl.handle.net/10261/47982
ISSN:0031-9007
E-ISSNmetadata.dc.identifier.doi = DOI:1079-7114
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Appears in Collections:(IMEDEA) Artículos

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