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Article Dans Une Revue IEEE Photonics Technology Letters Année : 1992

Effective nonlinear gain in semiconductor lasers

Résumé

An effective nonlinear gain is introduced for semiconductor lasers by taking into account the effect of laser structure and the associated distribution of the mode intensity along the cavity length. It should be used in the analysis of laser dynamics and noise in place of the material nonlinear gain parameter. A general expression for the effective nonlinear gain is given by using the Green's function method. The results obtained for Fabry-Perot and distributed feedback lasers show that the effective nonlinear gain could be considerably enhanced. The exact value of the enhancement factor depends on cavity parameters. Affected by the laser structure, the nonlinear gain has a different power dependence than expected from material considerations alone
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Dates et versions

hal-04125118 , version 1 (11-06-2023)

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G.-H. Duan, Philippe Gallion, G.P. Agrawal. Effective nonlinear gain in semiconductor lasers. IEEE Photonics Technology Letters, 1992, 4 (3), pp.218-220. ⟨10.1109/68.122371⟩. ⟨hal-04125118⟩
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