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Picosecond control of quantum dot laser emission by coherent phonons

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Hoefling_2017_PRL_CoherentPhonons_AAM.pdf (317.0Kb)
Date
27/03/2017
Author
Czerniuk, T.
Wigger, D.
Akimov, A. V.
Schneider, C.
Kamp, M.
Höfling, Sven
Yakovlev, D. R.
Kuhn, T.
Reiter, D. E.
Bayer, M.
Keywords
QC Physics
NDAS
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Abstract
A picosecond acoustic pulse can be used to control the lasing emission from semiconductor nanostructures by shifting their electronic transitions. When the active medium, here an ensemble of (In,Ga)As quantum dots, is shifted into or out of resonance with the cavity mode, a large enhancement or suppression of the lasing emission can dynamically be achieved. Most interesting, even in the case when gain medium and cavity mode are in resonance, we observe an enhancement of the lasing due to shaking by coherent phonons. In order to understand the interactions of the nonlinearly coupled photon-exciton-phonon subsystems, we develop a semiclassical model and find an excellent agreement between theory and experiment.
Citation
Czerniuk , T , Wigger , D , Akimov , A V , Schneider , C , Kamp , M , Höfling , S , Yakovlev , D R , Kuhn , T , Reiter , D E & Bayer , M 2017 , ' Picosecond control of quantum dot laser emission by coherent phonons ' , Physical Review Letters , vol. 118 , no. 13 , 133901 . https://doi.org/10.1103/PhysRevLett.118.133901
Publication
Physical Review Letters
Status
Peer reviewed
DOI
https://doi.org/10.1103/PhysRevLett.118.133901
ISSN
0031-9007
Type
Journal article
Rights
© 2017, American Physical Society. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at journals.aps.org/prl / https://doi.org/10.1103/PhysRevLett.118.133901
Description
This work was supported by the Deutsche Forschungsgemeinschaft (TRR 142) and the state of Bavaria. A.V.A. acknowledges the Alexander von Humboldt Foundation. M.B. acknowledges partial financial support from the Russian Ministry of Science and Education (contract No.14.Z50.31.0021). D.E.R. acknowledges partial financial support from the German Academic Exchange Service (DAAD) within the P.R.I.M.E. program.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/10392

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