Abstract
The intensity fluctuations expected in the output of cw semiconductor lasers are studied analytically using linearized multimode rate equations. Spontaneous emission causes intrinsic fluctuations of the laser wave. A power-independent contribution to the intensity fluctuations may occur due to inversion-induced modulation noise. The correlation of the low-frequency noise of different laser modes is investigated. The results are in agreement with experimental data reported in the literature.
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Schimpe, R. Theory of intensity noise in semiconductor laser emission. Z. Physik B - Condensed Matter 52, 289–294 (1983). https://doi.org/10.1007/BF01307398
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DOI: https://doi.org/10.1007/BF01307398