Research Papers

Coherent oscillations between orbital angular momentum polariton states in an elliptic resonator

[+] Author Affiliations
Gaël Nardin, Yoan Léger, Barbara Piȩtka, François Morier-Genoud, Benoît Deveaud-Plédran

Laboratoire d'Optoélectronique Quantique, École Polytechnique Fédérale de Lausanne (EPFL), Station 3, CH-1015 Lausanne, Switzerland

J. Nanophoton. 5(1), 053517 (July 21, 2011). doi:10.1117/1.3609825
History: Received April 01, 2011; Revised June 15, 2011; Accepted June 20, 2011; Published July 21, 2011; Online July 21, 2011
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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.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Gaël Nardin ; Yoan Léger ; Barbara Piȩtka ; François Morier-Genoud and Benoît Deveaud-Plédran
"Coherent oscillations between orbital angular momentum polariton states in an elliptic resonator", J. Nanophoton. 5(1), 053517 (July 21, 2011). ; http://dx.doi.org/10.1117/1.3609825


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