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The role of phonons for exciton and biexciton generation in an optically driven quantum dot

Title data

Reiter, Doris ; Kuhn, Tilmann ; Glässl, Martin ; Axt, Vollrath M.:
The role of phonons for exciton and biexciton generation in an optically driven quantum dot.
In: Journal of Physics: Condensed Matter. Vol. 26 (2014) Issue 42 . - Art.Nr. 423203 , 20 S..
ISSN 1361-648X
DOI: https://doi.org/10.1088/0953-8984/26/42/423203

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

For many applications of semiconductor quantum dots in quantum technology, well-controlled state preparation of the quantum dot states is mandatory. Since quantum dots are embedded in the semiconductor matrix, their interaction with phonons often plays a major role in the preparation process. In this review, we discuss the influence of phonons on three basically different optical excitation schemes that can be used for the preparation of exciton, biexciton and superposition states: a resonant excitation leading to Rabi rotations in the excitonic system, an excitation with chirped pulses exploiting the effect of adiabatic rapid passage and an off-resonant excitation giving rise to a phonon-assisted state preparation. We give an overview of experimental and theoretical results, showing the role of phonons and compare the performance of the schemes for state preparation.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: quantum dots; exciton preparation; biexciton preparation; phonons; on-demand preparation; decoherence; adiabatic rapid passage; chirped-pulses; off-resonant phonon assisted preparation; Rabi rotations; quantum superposition states
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: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 03 Nov 2017 09:00
Last Modified: 03 Nov 2017 09:00
URI: https://eref.uni-bayreuth.de/id/eprint/40264