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Traveling wave modeling, simulation and analysis of quantum-dot mode-locked semiconductor lasers
2010, Radziunas, Mindaugas, Vladimirov, A.G., Viktorov, E.A.
We analyze the dynamics of a mode-locked quantum-dot edge-emitting semiconductor laser consisting of reversely biased saturable absorber and forward biased amplifying sections. To describe spatial non-uniformity of laser parameters, optical fields and carrier distributions we use the traveling wave model, which takes into account carrier exchange processes between wetting layer and quantum dots. A comprehensive parameter study and an optical mode analysis of operation regimes are presented.