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Exciton-polariton flows in cross-dimensional junctions

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Hoefling_2017_PRB_Cross_dimensionalJunctions_AAM.pdf (1.998Mb)
Date
15/05/2017
Author
Winkler, K.
Flayac, H.
Klembt, S.
Schade, A.
Nevinskiy, D.
Kamp, M.
Schneider, C.
Höfling, Sven
Keywords
QC Physics
T Technology
NDAS
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Abstract
We study the nonequilibrium exciton-polariton condensation in 1D to 0D and 1D to quasi-2D junctions by means of non-resonant spectroscopy. The shape of our potential landscape allows to probe the resonant transmission of a propagating condensate between a quasi-1D waveguide and cylindrically symmetric states. We observe a distinct mode selection by varying the position of the non-resonant pump laser. Moreover, we study the the case of propagation from a localized trapped condensate state into a waveguide channel. Here, the choice of the position of the injection laser allows us to tune the output in the waveguide. Our measurements are supported by an accurate Ginzburg-Landau modeling of the system shining light on the underlying mechanisms.
Citation
Winkler , K , Flayac , H , Klembt , S , Schade , A , Nevinskiy , D , Kamp , M , Schneider , C & Höfling , S 2017 , ' Exciton-polariton flows in cross-dimensional junctions ' , Physical Review. B, Condensed matter and materials physics , vol. 95 , no. 2 , 201302(R) . https://doi.org/10.1103/PhysRevB.95.201302
Publication
Physical Review. B, Condensed matter and materials physics
Status
Peer reviewed
DOI
https://doi.org/10.1103/PhysRevB.95.201302
ISSN
1098-0121
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/prb / https://doi.org/10.1103/PhysRevB.95.201302
Description
The Wurzburg group acknowledges the financial support by the state of Bavaria and the DFG within the project Schn1376-3.1.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/10752

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