Strong coupling between Tamm plasmon and QW exciton |
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Authors: | Estelle Homeyer,Clé mentine Symonds,Aristide Lemaî tre,Jean-Claude Plenet,Joel Bellessa |
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Affiliation: | 1. Université de Lyon, Université Lyon-1, LPMCN, UMR CNRS 5586, 69622 Villeurbanne, France;2. Laboratoire de Photonique et de Nanostructures, CNRS UPR20, Route de Nozay, F-91460 Marcoussis, France |
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Abstract: | We report on the strong coupling between a Tamm plasmon mode and excitons from inorganic quantum wells. The sample is formed by an AlAs/GaAlAs Bragg reflector containing InGaAs QWs in its high refractive index layers, on top of which a thin silver film is deposited. Angle resolved reflectometry experiments at low temperature (77 K) show a clear anticrossing in the dispersion relations, evidencing the strong coupling regime. The Rabi splitting amounts to 11.5 meV. Emission from low and high energy Tamm plasmon/exciton polaritons is also demonstrated. Experimental data are in very good agreement with transfer matrix simulations. |
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Keywords: | Plasmon Bragg reflector Inorganic semiconductor Strong coupling Polariton |
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