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The role of acoustic phonons for Rabi oscillations in semiconductor quantum dots

Title data

Krügel, A. ; Axt, Vollrath M. ; Kuhn, Tilmann ; Machnikowski, Paweł ; Vagov, Alexei:
The role of acoustic phonons for Rabi oscillations in semiconductor quantum dots.
In: Applied Physics B. Vol. 81 (2005) Issue 7 . - pp. 897-904.
ISSN 1432-0649
DOI: https://doi.org/10.1007/s00340-005-1984-1

Project information

Project financing: Alexander von Humboldt-Stiftung
Deutsche Forschungsgemeinschaft
ESF within the EU network arrays of quantum dots and Josephson junctions, Polish KBN (Grant No.PB 2 P03B 08525) and Flemish science foundation.

Abstract in another language

The damping of Rabi oscillations in quantum dots as well as the renormalization of the carrier-light coupling, due to the interaction with longitudinal acoustic phonons are studied as a function of temperature and laser pulse parameters. Numerical results are obtained by using a correlation expansion within the density matrix theory. The observed features like a non-monotonous dependence of the damping on the pulse duration are characteristic for the strongly non-Markovian nature of the phonon coupling in these systems. The results can be well interpreted on the level of a perturbation expansion in the carrier-phonon interaction.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: quantum dot; correlation expansion; non-linear optics; ultrafast dynamics; pure dephasing; phonons; excitons; Non-perturbative solution; damping of Rabi oscillations; decoherence; non-Markovian dynamics; memory effects
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III > Chair Theoretical Physics III - Univ.-Prof. Dr. Martin Axt
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III
Result of work at the UBT: No
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 23 Oct 2017 11:17
Last Modified: 30 Oct 2017 09:55
URI: https://eref.uni-bayreuth.de/id/eprint/40121