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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2008

Exciton/plasmon polaritons in GaAs/Al0.93Ga0.07As heterostructures near a metallic layer

Résumé

We report on the strong coupling between inorganic quantum well excitons and surface plasmons. For that purpose a corrugated silver film was deposited on the top of a heterostructure consisting of GaAs/GaAlAs quantum wells. The formation of plasmon/heavy-hole exciton/light-hole exciton mixed states is demonstrated with reflectometry experiments. The interaction energies amount to 21 meV for the plasmon/light-hole exciton and 22 meV for the plasmon/heavy-hole exciton. Some particularities of the plasmon-exciton coupling were also discussed and qualitatively related to the plasmon polarization.
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Dates et versions

hal-00405319 , version 1 (20-07-2009)

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Joël Bellessa, Clementine Symonds, C. Meynaud, Jean-Claude Plenet, E. Cambril, et al.. Exciton/plasmon polaritons in GaAs/Al0.93Ga0.07As heterostructures near a metallic layer. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2008, 78 (20), pp.205326. ⟨10.1103/PhysRevB.78.205326⟩. ⟨hal-00405319⟩
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