Strong exciton–photon coupling in a low-Q all-metal mirror microcavity

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 o...

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Bibliographic Details
Published in:	Applied physics letters Vol. 81; no. 19; pp. 3519 - 3521
Main Authors:	Hobson, P. A., Barnes, W. L., Lidzey, D. G., Gehring, G. A., Whittaker, D. M., Skolnick, M. S., Walker, S.
Format:	Journal Article
Language:	English
Published:	04-11-2002
Online Access:	Get full text
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Summary:	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.
ISSN:	0003-6951 1077-3118
DOI:	10.1063/1.1517714