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Communication Dans Un Congrès Année : 2018

Beyond the relaxation frequency limit in square-wave dynamics

Résumé

We report on a bifurcation scenario from which emerges oscillations at a frequency higher than the relaxationoscillation frequency in an edge-emitting laser diode subjected to polarized optical feedback; these oscillations appear in the square-wave regime. The study has been performed experimentally and numerically based on Lang-Kobayashi model. We unveil bifurcation diagrams showing a clear bifurcation point that marks the transition between sustained and damped oscillations on the plateaus of square-waves. We extend this first bifurcation study by providing additional analytical insight to characterize the main parametric dependence of the frequency of these undamped oscillations. © 2018 SPIE.
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Dates et versions

hal-02432561 , version 1 (08-01-2020)

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Chi-Hak Uy, Lionel Weicker, Damien Rontani, Marc Sciamanna. Beyond the relaxation frequency limit in square-wave dynamics. Semiconductor Lasers and Laser Dynamics VIII 2018, Apr 2018, Strasbourg, France. pp.1068210, ⟨10.1117/12.2307175⟩. ⟨hal-02432561⟩
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