Effect of uniaxial stress on excitons in a self-assembled quantum dot

Stefan Seidl, Martin Kroner, Alexander Högele, Khaled Karrai, Richard J. Warburton, Antonio Badolato, Pierre M. Petroff

Research output: Contribution to journalArticlepeer-review

208 Citations (Scopus)


The fine structure of the neutral exciton in a single self-assembled InGaAs quantum dot is investigated under the effect of an applied uniaxial stress. The spectrum of the excitonic Rayleigh scattering was measured in reflectivity using high-resolution laser spectroscopy while the sample was submitted to a tunable uniaxial stress along its [110] crystal axis. We show that using this stretching technique, the quantum dot potential is elastically deformable such that the exciton fine structure splitting can be substantially reduced. © 2006 American Institute of Physics.

Original languageEnglish
Article number203113
JournalApplied Physics Letters
Issue number20
Publication statusPublished - 15 May 2006


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