Negative-coupling resonances in pump-coupled lasers

Details Negative-coupling resonances in pump-coupled lasers Negative-coupling resonances in pump-coupled lasers

2005-10-28

arxiv.org/abs/nlin/0510072v1

Nonlinear Sciences

Chaotic Dynamics

29 pages with 8 figures Physica D, in press

Scientific paper

10.1016/j.physd.2005.10.015

We consider coupled lasers, where the intensity deviations from the steady state, modulate the pump of the other lasers. Most of our results are for two lasers where the coupling constants are of opposite sign. This leads to a Hopf bifurcation to periodic output for weak coupling. As the magnitude of the coupling constants is increased (negatively) we observe novel amplitude effects such as a weak coupling resonance peak and, strong coupling subharmonic resonances and chaos. In the weak coupling regime the output is predicted by a set of slow evolution amplitude equations. Pulsating solutions in the strong coupling limit are described by discrete map derived from the original model.

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