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Communication Dans Un Congrès Année : 2020

Bifurcation and chaotic behavior of feedback semiconductor lasers operating in the full range of external reflectivity

Résumé

We investigate the properties of a semiconductor laser with arbitrary levels of external optical feedback, by means of an iterative travelling-wave (ITW) model. Bifurcation diagrams and the corresponding Lyapunov exponent are used to describe the behavior of the feedback laser as the external feedback reflectivity increases from 0 to 1. Similarities and differences between the ITW model and the Lang-Kobayashi (LK) model are also reviewed. To determine the critical value of the external reflectivity, beyond which the LK model would no longer be valid, we propose a criterion based on the iterates of the phase maps for both the compound-cavity modes (ITW model) and the external-cavity modes (LK model). Preliminary results show that this critical value may correspond to the so-called « -value», which is defined as the onset value of the first chaotic region.
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Dates et versions

hal-02903497 , version 1 (21-07-2020)

Identifiants

  • HAL Id : hal-02903497 , version 1

Citer

Qin Zou, Kamel Merghem, Badr-Eddine Benkelfat, Musharrat Shabnam. Bifurcation and chaotic behavior of feedback semiconductor lasers operating in the full range of external reflectivity. ECIO 2020: 22nd European Conference on Integrated Optics, Jun 2020, Paris, France. pp.1-3. ⟨hal-02903497⟩
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