Laser chimeras as a paradigm for multistable patterns in complex systems

Laurent Larger (), Bogdan Penkovsky and Yuri Maistrenko
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Laurent Larger: Institut FEMTO-ST, UMR 6174, Université Bourgogne Franche-Comté, CNRS
Bogdan Penkovsky: Institut FEMTO-ST, UMR 6174, Université Bourgogne Franche-Comté, CNRS
Yuri Maistrenko: Institut FEMTO-ST, UMR 6174, Université Bourgogne Franche-Comté, CNRS

Nature Communications, 2015, vol. 6, issue 1, 1-7

Abstract: Abstract A chimera state is a rich and fascinating class of self-organized solutions developed in high-dimensional networks. Necessary features of the network for the emergence of such complex but structured motions are non-local and symmetry breaking coupling. An accurate understanding of chimera states is expected to bring important insights on deterministic mechanism occurring in many structurally similar high-dimensional dynamics such as living systems, brain operation principles and even turbulence in hydrodynamics. Here we report on a powerful and highly controllable experiment based on an optoelectronic delayed feedback applied to a wavelength tuneable semiconductor laser, with which a wide variety of chimera patterns can be accurately investigated and interpreted. We uncover a cascade of higher-order chimeras as a pattern transition from N to N+1 clusters of chaoticity. Finally, we follow visually, as the gain increases, how chimera state is gradually destroyed on the way to apparent turbulence-like system behaviour.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8752

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DOI: 10.1038/ncomms8752

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