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Proceedings Paper

Investigating optical complexity of the phase transition in the intensity of a fibre laser radiation
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Paper Abstract

Fibre lasers have been shown to manifest a laminar-to-turbulent transition when increasing its pump power. In order to study the dynamical complexity of this transition we use advanced statistical tools of time-series analysis. We apply ordinal analysis and the horizontal visibility graph to the experimentally measured laser output intensity. This reveal the presence of temporal correlations during the transition from the laminar to the turbulent lasing regimes. Both methods allow us to unveil coherent structures with well defined time-scales and strong correlations both, in the timing of the laser pulses and in their peak intensities.

Paper Details

Date Published: 28 April 2016
PDF: 9 pages
Proc. SPIE 9892, Semiconductor Lasers and Laser Dynamics VII, 98920L (28 April 2016); doi: 10.1117/12.2225684
Show Author Affiliations
Andrés Aragoneses, Duke Univ. (United States)
Laura Carpi, Univ. Politècnica de Catalunya (Spain)
Nikita Tarasov, Aston Univ. (United Kingdom)
Institute for Computational Technology (Russian Federation)
Dmitri V. Churkin, Aston Univ. (United Kingdom)
Institute of Automation and Electrometry (Russian Federation)
Novosibirsk State Univ. (Russian Federation)
M. C. Torrent, Univ. Politècnica de Catalunya (Spain)
Cristina Masoller, Univ. Politècnica de Catalunya (Spain)
Sergei K. Turitsyn, Aston Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 9892:
Semiconductor Lasers and Laser Dynamics VII
Krassimir Panajotov; Marc Sciamanna; Angel Valle; Rainer Michalzik, Editor(s)

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