Direct Observation of the Class-B to Class-A Transition in the Dynamical Behavior of a Semiconductor Laser

Details Direct Observation of the Class-B to Class-A Transition in the Dynamical Behavior of a Semiconductor Laser Direct Observation of the Class-B to Class-A Transition in the Dynamical Behavior of a Semiconductor Laser

2009-03-16

arxiv.org/abs/0903.2827v1

Europhysics Letters 87, 44005 (2009)

Physics

Optics

4 pages, 4 figures

Scientific paper

The transition between the class-B and class-A dynamical behaviors of a semiconductor laser is directly observed by continuously controlling the lifetime of the photons in a cavity of sub-millimetric to centimetric length. It is experimentally and theoretically proved that the transition from a resonant to an overdamped behavior occurs progressively, without any discontinuity. In particular, the intermediate regime is found to exhibit features typical from both the class-A and class-B regimes. The laser intensity noise is proved to be a powerful probe of the laser dynamical behavior.

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