A Route to Robust Double Pulse Excitability in Optically Injected Semiconductor Lasers

Details A Route to Robust Double Pulse Excitability in Optically Injected Semiconductor Lasers A Route to Robust Double Pulse Excitability in Optically Injected Semiconductor Lasers

2007-11-06

arxiv.org/abs/0711.0901v1

Nonlinear Sciences

Chaotic Dynamics

7 pages, 6 figures

Scientific paper

10.1088/1742-6596/138/1/012014

We present and analyse a three-dimensional model for a quantum dot semiconductor laser with optical injection. This model describes recent experimental single and double excitable intensity pulses, which are related to a central saddle-node homoclinic bifurcation as in the Adler equation. Double pulses are related to a period doubling bifurcation and occur on the same homoclinic curve as single pulses. The bifurcation scenario consolidating single and double excitable pulses is described in detail.

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