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Title

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

AuthorsHeil, Tilmann; Fischer, Ingo ; Elsässer, Wolfgang; Mulet, Josep; Mirasso, Claudio R.
Issue Date2001
PublisherAmerican Physical Society
CitationPhysical Review Letters 86: 795-798 (2001)
AbstractWe 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.
DescriptionPACS: 05.45.Xt, 42.55.Px, 42.65.Sf
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevLett.86.795
URIhttp://hdl.handle.net/10261/47982
DOI10.1103/PhysRevLett.86.795
ISSN0031-9007
E-ISSN1079-7114
Appears in Collections:(IMEDEA) Artículos
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