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Journal of Nanophotonics

Coherent oscillations between orbital angular momentum polariton states in an elliptic resonator
Author(s): Gael Nardin; Yoan Léger; Barbara Pietka; Francois Morier-Genoud; Benoit Deveaud-Pledran
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Paper Abstract

We optically excited the eigenmodes of an elliptic resonator in a semiconductor microcavity. Using a pulsed excitation, we created a superposition of eigenmodes, and imaged the temporal evolution of the coherent emission pattern. A semiconductor quantum well was embedded in the microcavity structure. The system was operated in the strong light matter coupling regime, where the eigenmodes are hybrid half-photonic half-excitonic quasiparticles called exciton polaritons. Oscillations between orbital angular momentum states (or vortex states) were observed, and turned out to be remarkably well described within the Poincaré sphere representation.

Paper Details

Date Published: 1 January 2011
PDF: 8 pages
J. Nanophoton. 5(1) 053517 doi: 10.1117/1.3609825
Published in: Journal of Nanophotonics Volume 5, Issue 1
Show Author Affiliations
Gael Nardin, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Yoan Léger, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Barbara Pietka, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Francois Morier-Genoud, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Benoit Deveaud-Pledran, Ecole Polytechnique Fédérale de Lausanne (Switzerland)

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