20 April 2006 Optical frequency dynamics and relaxation oscillations of a semiconductor laser subject to filtered optical feedback
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Abstract
We use an asymptotic method to simplify the rate equations for a semiconductor laser subject to filtered optical feedback. The simplified equations provide insights on the physical mechanisms involved in two different oscillatory instabilities, namely: relaxation oscillation undamping, and the onset of optical frequency oscillations. We proceed to an analytical stability analysis of the external cavity modes and determine simple scaling laws for their stability boundaries in parameter space. We also point out a couple of remarkable properties of the frequency oscillation regime; in particular, we draw analogies with a related dynamical response predicted for semiconductor lasers subject to both conventional feedback and optical injection.
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Michel Nizette, Michel Nizette, Thomas Erneux, Thomas Erneux, } "Optical frequency dynamics and relaxation oscillations of a semiconductor laser subject to filtered optical feedback", Proc. SPIE 6184, Semiconductor Lasers and Laser Dynamics II, 61840W (20 April 2006); doi: 10.1117/12.662832; https://doi.org/10.1117/12.662832
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