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Numerical study of extreme events in a laser diode with phase-conjugate optical feedback

Abstract : Extreme intensity pulses sharing statistical properties similar to rogue waves have been recently observed in a laser diode with phase-conjugate feedback [A. Karsaklian Dal Bosco, D. Wolfersberger, and M. Sciamanna, Opt. Lett. 38, 703 (2013)], but remain unexplained. We demonstrate here that a rate equation model of a laser diode that includes an instantaneous phase-conjugate feedback field reproduces qualitatively well the statistical features of these extreme events as identified in the experiment, i.e., the deviation of the intensity statistics to a Gaussian-shape statistics and the statistics of the time separating extreme events. The numerical simulations confirm the importance of the feedback strength in increasing the number of such extreme events and allow us to explain how extreme events emerge from a sequence of bifurcations on self-pulsating solutions, the so-called external cavity modes.
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Submitted on : Tuesday, February 2, 2016 - 3:56:42 PM
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Émeric Mercier, Armelle Even, Elodie Mirisola, Delphine Wolfersberger, Marc Sciamanna. Numerical study of extreme events in a laser diode with phase-conjugate optical feedback. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2015, 91 (4), pp.042914. ⟨10.1103/PhysRevE.91.042914⟩. ⟨hal-01266434⟩



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