Theory of relaxation oscillations and modulation response of a quantum dot laser

Levon V. Asryan; Robert A. Suris

doi:10.1117/12.842907

24 February 2010 Theory of relaxation oscillations and modulation response of a quantum dot laser

Levon V. Asryan, Robert A. Suris

Proceedings Volume 7610, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VII; 76100R (2010) https://doi.org/10.1117/12.842907
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

Dynamic effects in a quantum dot (QD) laser are studied theoretically. The frequency and decay rate of relaxation oscillations, and the modulation response are calculated as functions of injection current density, cavity length, and parameters of the QD structure. The highest possible bandwidth is calculated and shown to increase with increasing overlap integral between the electron and hole wave functions in a QD, number of QD-layers and surface density of QDs in a layer, and with reducing QD-size dispersion.

Citation Download Citation

Levon V. Asryan and Robert A. Suris "Theory of relaxation oscillations and modulation response of a quantum dot laser", Proc. SPIE 7610, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VII, 76100R (24 February 2010); https://doi.org/10.1117/12.842907

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