EPJ Web of Conferences (Mar 2013)

Slow propagation of photon-like polaritons generated by exciton-exciton scattering in ZnO thin films

  • Kim D.,
  • Mizoguchi K.,
  • Kawase T.,
  • Wakaiki S.,
  • Ichida H.,
  • Nakayama M.,
  • Kanematsu Y.

DOI
https://doi.org/10.1051/epjconf/20134104014
Journal volume & issue
Vol. 41
p. 04014

Abstract

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We report on the first observation of the thickness-dependent photoluminescence-decay time of exciton-exciton scattering in ZnO thin films, which indicates the slower propagation of photon-like polaritons compared to that in bulk by two orders magnitude.