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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 12
Nat. Hazards Earth Syst. Sci., 10, 2727–2732, 2010
https://doi.org/10.5194/nhess-10-2727-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Extreme and rogue waves

Nat. Hazards Earth Syst. Sci., 10, 2727–2732, 2010
https://doi.org/10.5194/nhess-10-2727-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 22 Dec 2010

Research article | 22 Dec 2010

Experimental spatial rogue patterns in an optical feedback system

V. Odent, M. Taki, and E. Louvergneaux V. Odent et al.
  • Université Lille1, Laboratoire de Physique des Lasers, Atomes et Molécules, CNRS UMR 8523, 59655 Villeneuve d'Ascq Cedex, France

Abstract. We study pattern formation in an optical system composed of a Kerr medium subjected to optical feedback but in a regime very far from the modulational instability threshold. In this highly nonlinear regime, the dynamics is turbulent and the associated one-dimensional patterns depict rare and intense localized optical peaks. We analyse numerically and experimentally the statistics and features of these intense optical peaks and show that their probability density functions (PDF) have a long tail indicating the occurrence of rogue events.

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