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Open AccessArticle

Analytic Characterization of the Dynamic Regimes of Quantum-Dot Lasers

Institut für Theoretische Physik, Technische Universität Berlin, Hardenbergstr. 36, Sekr. EW 7-1, Berlin 10623, Germany
Department of Physics, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany
Author to whom correspondence should be addressed.
Photonics 2015, 2(2), 402-413;
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)
PDF [287 KB, uploaded 15 April 2015]


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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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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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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