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Strong exciton–photon coupling in a low-Q all-metal mirror microcavity
Hobson, Peter A.
Barnes, William L.
Lidzey, D. G.
Gehring, G. A.
Whittaker, D. M.
Skolnick, M. S.
University of Exeter; University of Sheffield
Applied Physics Letters
American Institute of Physics
We report the experimental observation of strong exciton–photon coupling in a planar microcavity composed of an organic semiconductor positioned between two metallic (silver) mirrors. Via transmission and reflectivity measurements, we observe a very large, room temperature Rabi splitting in excess of 300 meV. We show that the Rabi-splitting is enhanced in all-metal microcavities by a factor of more than 2 compared to an organic film positioned between a silver mirror and a dielectric mirror. This enhancement results from the significantly larger optical fields that are confined within all-metal microcavities.
Copyright © 2002 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters 81 (2002) and may be found at http://link.aip.org/link/?APPLAB/81/3519/1
81 (19), pp. 3519-3521