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Proceedings Paper

Theory of relaxation oscillations and modulation response of a quantum dot laser
Author(s): Levon V. Asryan; Robert A. Suris
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Paper 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.

Paper Details

Date Published: 24 February 2010
PDF: 7 pages
Proc. SPIE 7610, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VII, 76100R (24 February 2010); doi: 10.1117/12.842907
Show Author Affiliations
Levon V. Asryan, Virginia Polytechnic Institute and State Univ. (United States)
Robert A. Suris, Ioffe Physico-Technical Institute (Russian Federation)


Published in SPIE Proceedings Vol. 7610:
Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VII
Kurt G. Eyink; Frank Szmulowicz; Diana L. Huffaker, Editor(s)

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