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Appl. Phys. Lett. 81, 3519 (2002); http://dx.doi.org/10.1063/1.1517714 (3 pages)

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

P. A. Hobson1, W. L. Barnes1, D. G. Lidzey2, G. A. Gehring2, D. M. Whittaker2, M. S. Skolnick2, and S. Walker3

1Thin Film Photonics Group, School of Physics, University of Exeter, Exeter EX4 4QL, United Kingdom
2Department of Physics and Astronomy, The University of Sheffield, Sheffield, S3 7RH, United Kingdom
3Department of Electrical and Electronic Engineering, The University of Sheffield, Mappin Street, Sheffield S1 3JD, United Kingdom

(Received 25 April 2002; accepted 10 September 2002)

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. © 2002 American Institute of Physics.

© 2002 American Institute of Physics

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KEYWORDS and PACS

PACS

  • 63.20.kk

    Phonon interactions with other quasiparticles

  • 63.22.-m

    Phonons or vibrational states in low-dimensional structures and nanoscale materials

  • 42.82.Gw

    Other integrated-optical elements and systems

ARTICLE DATA

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

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