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Optical probing of a two-dimensional electron system in a microcavity: Quantum Hall Polaritons

Authors :
Sylvain Ravets
Martin Kroner
Stefan Faelt
Atac Imamoglu
Werner Wegsheider
Source :
2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
Publication Year :
2017
Publisher :
IEEE, 2017.

Abstract

Elementary excitations of a two-dimensional electron system (2DES) can be described in terms of exciton-polarons, i.e. excitons dressed by Fermi-sea electron-hole pairs due to interactions between excitons and the surrounding electrons [1,2]. An interesting open problem is the modification of this description in the quantum Hall regime, where electrons occupy flat-bands and electron-electron interactions become important. Here, we perform cavity spectroscopy, in the strong-coupling regime, of a two-dimensional electron system embedded in a semiconductor microcavity [3,4]. We observe exciton-polaron-polariton resonances in the regime of integer and fractional quantum Hall effect (FQHE).

Details

Database :
OpenAIRE
Journal :
2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
Accession number :
edsair.doi...........efd526431a1a8230ba1c35cd980c324e
Full Text :
https://doi.org/10.1109/cleoe-eqec.2017.8087800