Dynamics of Activated Escape, and Its Observation in a Semiconductor Laser

Details Dynamics of Activated Escape, and Its Observation in a Semiconductor Laser Dynamics of Activated Escape, and Its Observation in a Semiconductor Laser

2000-02-02

arxiv.org/abs/cond-mat/0002036v1

Physics

Condensed Matter

Statistical Mechanics

Submitted to PRL 11Jan00

Scientific paper

10.1103/PhysRevLett.85.78

We report a direct experimental observation and provide a theory of the distribution of trajectories along which a fluctuating system moves over a potential barrier in escape from a metastable state. The experimental results are obtained for a semiconductor laser with optical feedback. The distribution of paths displays a distinct peak, which shows how the escaping system is most likely to move. We argue that the specific features of this distribution may give an insight into the nature of dropout events in lasers.

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