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TU Berlin

Inhalt des Dokuments

Impact of acoustic phonons on the dynamics of the exciton-biexciton system in quantum dots and quantum-dot microcavity systems

Temperature resonance tuning of a quantum-dot micropillar under optical excitation and electrical read-out.

The project comprises experimental and theoretical investigations to gain insight into the non-linear and non-markovian dynamics of excitons and biexcitons in quantum dots. Systems with and without microresonators will be analyzed.

Applying photocurrent spectroscopy and an advanced path-integral method we aim at a comprehensive study of the coherent dynamics of excitonic complexes confined in single self-assembled quantum dots. The studies comprise also investigations on the coherent evolution of coupled quantum dot – microcavity systems via electrical readout.


Prof. Dr. V. M. Axt, Institute of Theoretical Physics III, University of Bayreuth, Germany

Prof. Dr. M. Kamp, Technische Physik, University of Würzburg, Germany

Funded by:

German Research Foundation, Grant-No.: Re2974/5-1


S. Kreinberg et al.,Emission from quantum-dot high- microcavities: transition from spontaneous emission to lasing and the effects of superradiant emitter coupling, Light: Science & Applications e17030 (2017)

M. Strauß et al., Resonance fluorescence of a site-controlled quantum dot realized by the buriedstressor growth technique, Appl. Phys. Lett. 110, 111101 (2017)

M. Strauß et al., Photon-statistics excitation spectroscopy of a single two-level system, Phys. Rev. B 93, 241306(R) (2016)


P. Gold, M. Gschrey, C. Schneider, S. Höfling, A. Forchel, M. Kamp, S. Reitzenstein, „Single quantum dot photocurrent spectroscopy in the cavity quantum electrodynamics regime“, Phys. Rev. B 86, 161301(R) (2012)

A. Vagov, M.D. Croitoru, M. Glässl, V.M. Axt and T. Kuhn, “Real-time path integrals for quantum dots: Quantum dissipative dynamics with superohmic environment coupling”, Phys. Rev. B 83, 094303 (2011)



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