Dresden 2011 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 85: Poster Session II

HL 85.22: Poster

Donnerstag, 17. März 2011, 18:00–21:00, P4

Solitary pulse propagation through quantum dot media — •Matthias-René Dachner, Maria Schuld, Harald Engel, and Andreas Knorr — Institut für Theoretische Physik, Technische Universität Berlin, Germany

The propagation of optical pulses through quantum dot media is investigated. We concentrate on solitary solutions in the conservative and the gradual transition to the dissipative regime. The influence of dissipation and pumping on the solutions is taken into account microscopically, by means of phonon assisted quantum dot–wetting layer interaction. We present numerical studies which are carried out by solving the Maxwell-Bloch equations using the finite difference time domain (FDTD) approach and compare the results to solutions of a microscopically derived Ginzburg-Landau equation.