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Exciton-Polaritons in Quantum Wells and Quantum Wires

  • D. Heitmann
  • M. Kohl
  • P. Grambow
  • K. Ploog
Part of the NATO ASI Series book series (NSSB, volume 214)

Abstract

Alx Gal−xAs — GaAs multi-quantum-well systems with laterally microstructured cap layers and quantum-well-wire structures with lateral dimensions of 100–200 mn have been prepared. The photoluminescence spectra of these samples exhibit an additional emission on the high energy side of the (n=1)-electron heavy-hole free exciton transition which is strongly polarized. This emission arises from the resonantly enhanced radiative decay of quantum-well exciton polaritons, which is mediated by the microstructure. We will discuss in particular the emission efficiency and dispersion of these excitations.

Keywords

Surface Plasmon Polaritons Radiative Decay Quantum Wire Polarization Dependence Surface Polaritons 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1990

Authors and Affiliations

  • D. Heitmann
    • 1
  • M. Kohl
    • 1
  • P. Grambow
    • 1
  • K. Ploog
    • 1
  1. 1.Max-Planck-Institut für FestkörperforschungStuttgart 80Germany

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