Title
Phonon-induced pure dephasing in exciton-biexciton quantum dot systems driven by ultrafast laser pulse sequencesPhonon-induced pure dephasing in exciton-biexciton quantum dot systems driven by ultrafast laser pulse sequences
Author
Faculty/Department
Faculty of Sciences. Chemistry
Faculty of Sciences. Physics
Research group
Condensed Matter Theory
Department of Chemistry
Publication type
article
Publication
Lancaster, Pa,
Subject
Physics
Source (journal)
Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
Volume/pages
72(2005):12, p. 1-15
ISSN
1098-0121
1550-235X
1098-0121
Article Reference
125309
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A semiconductor quantum dot model accounting for single exciton as well as biexciton states coupled to phonons and laser light is investigated in the limit of strong electronic confinement. For an arbitrary sequence of excitations with ultrafast pulses analytical solutions are obtained for all density-matrix elements. The results are nonperturbative with respect to both the carrier-phonon and the carrier-light coupling. Numerical results for a single pulse excitation are presented illustrating spectral features of our solution as well as pulse area and temperature dependences.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/7ac2d7/5782.pdf
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