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Exploiting the non-Markovian nature of carrier-phonon dynamics : Multi-pulse control of decoherence in quantum dots

Title data

Machnikowski, Paweł ; Axt, Vollrath M. ; Kuhn, Tilmann ; Jacak, L.:
Exploiting the non-Markovian nature of carrier-phonon dynamics : Multi-pulse control of decoherence in quantum dots.
In: Saraniti, Marco ; Ravaioli, U. (ed.): Nonequilibrium carrier dynamics in semiconductors : proceedings of the 14th international conference, July 25 - 29, 2005, Chicago, USA. - Berlin : Springer , 2006 . - pp. 49-53 . - (Springer Proceedings in Physics ; 110 )
ISBN 978-3-540-36587-7
DOI: https://doi.org/10.1007/978-3-540-36588-4_12

Project information

Project financing: Alexander von Humboldt-Stiftung
Polish MNI (2 PO3B 085 25)

Abstract in another language

We show that pure dephasing of an exciton in a quantum dot may be reduced by performing the optical excitation with a series of ultrafast pulses. De- phasing may considerably decrease already for a few pulses. In terms of the result- ing coherence vs. control time, a multi-pulse approach is often more efficient than using smooth (Gaussian) pulses. These results show that a significant reduction of dephasing is achievable even with relatively limited experimental resources.

Further data

Item Type: Article in a book
Refereed: Yes
Keywords: quantum dot; non-linear optics; ultrafast dynamics; pure dephasing; phonons; excitons; coherent control; decoherence; non-Markovian dynamics; memory effects; laser induced dynamics
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: 24 Oct 2017 08:41
Last Modified: 30 Oct 2017 09:55
URI: https://eref.uni-bayreuth.de/id/eprint/40134