Intensity fluctuation correlation for a Fabry Perot semiconductor laser: a semiclassical analysis

Abstract The correlation between the amplitude fluctuations of two laser beams emitted by a semiconductor laser is calculated using a semiclassical laser model including vacuum fluctuations present at the laser facets as well as phenomena such as spatial hole burning and gain suppression. A thorough analysis shows strong influence of the laser structure and parameters. We concentrate on the case of Fabry Perot lasers where we demonstrate that a direct connection between amplitude noise and the correlations exists. A detailed analysis shows the influence of internal loss, gain suppression and spatial hole burning. Finally, a direct comparison with obtained experimental results is performed.

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