Topological insight into the non-Arrhenius mode hopping of semiconductor ring lasers

Details Topological insight into the non-Arrhenius mode hopping of semiconductor ring lasers Topological insight into the non-Arrhenius mode hopping of semiconductor ring lasers

2009-12-08

arxiv.org/abs/0912.1442v1

Phys. Rev. Lett. 101, pp. 093903 (2008)

Physics

Optics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.101.093903

We investigate both theoretically and experimentally the stochastic switching between two counter-propagating lasing modes of a semiconductor ring laser. Experimentally, the residence time distribution cannot be described by a simple one parameter Arrhenius exponential law and reveals the presence of two different mode-hop scenarios with distinct time scales. In order to elucidate the origin of these two time scales, we propose a topological approach based on a two-dimensional dynamical system.

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