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Analytic Characterization of the Dynamic Regimes of Quantum-Dot Lasers

1
Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstr. 36, Sekr. EW 7-1, Berlin 10623, Germany
2
Department of Physics, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany
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Author to whom correspondence should be addressed.
Photonics 2015, 2(2), 402-413; https://doi.org/10.3390/photonics2020402
Received: 17 March 2015 / Revised: 7 April 2015 / Accepted: 8 April 2015 / Published: 15 April 2015
(This article belongs to the Special Issue Quantum Dot Based Lasers and Photonic Devices)
We present analytic treatment of the three different dynamic regimes found in quantum-dot laser turn-on and modulation dynamics. A dynamic coupling, and thus density-dependent scattering lifetimes between dots and reservoir, are identified to be crucial for a realistic modeling. We derive a minimal model for the quantum-dot laser dynamics that can be seeded with experimentally accessible parameters, and give explicit analytic equations that are able to predict relaxation-oscillation frequency and damping rate. View Full-Text
Keywords: quantum-dot lasers; relaxation oscillations; asymptotic analysis quantum-dot lasers; relaxation oscillations; asymptotic analysis
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Lingnau, B.; Lüdge, K. Analytic Characterization of the Dynamic Regimes of Quantum-Dot Lasers. Photonics 2015, 2, 402-413.

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