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Nonlinear Sciences > Chaotic Dynamics

arXiv:1709.06795 (nlin)
[Submitted on 20 Sep 2017]

Title:Visualizing the Phase-Space Dynamics of an External Cavity Semiconductor Laser

Authors:C. Y. Chang, Michael J. Wishon, Daeyoung Choi, K. Merghem, Francois Lelarge, A. Martinez, A. Locquet, D. S. Citrin
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Abstract:We map the phase-space trajectories of an external-cavity semiconductor laser using phase portraits. This is both a visualization tool as well as a thoroughly quantitative approach enabling unprecedented insight into the dynamical regimes, from continuous-wave through coherence collapse as feedback is increased. Namely, the phase portraits in the intensity versus laser-diode terminal-voltage (serving as a surrogate for inversion) plane are mapped out. We observe a route to chaos interrupted by two types of limit cycles, a subharmonic regime and period-doubled dynamics at the edge of chaos. The transition of the dynamics are analyzed utilizing bifurcation diagrams for both the optical intensity and the laser-diode terminal voltage. These observations provide visual insight into the dynamics in these systems.
Subjects: Chaotic Dynamics (nlin.CD)
Cite as: arXiv:1709.06795 [nlin.CD]
  (or arXiv:1709.06795v1 [nlin.CD] for this version)
  https://doi.org/10.48550/arXiv.1709.06795

Submission history

From: Chien-Yuan Chang [view email]
[v1] Wed, 20 Sep 2017 10:07:57 UTC (1,504 KB)
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