Strong coupling between localized plasmons and organic excitons in metal nanovoids

Y. Sugawara*, T. A. Kelf, J. J. Baumberg, M. E. Abdelsalam, P. N. Bartlett

*Corresponding author for this work

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Abstract

Hybrid emitting exciton-plasmonic composites are constructed by coating arrays of spherical nanovoids embedded in a gold film with organic semiconducting molecular J-aggregate films. In such plasmonic crystals, localized plasmons confined inside the voids can be excited. We report the first observation of polaritonic spectral narrowing and strong coupling between localized plasmons and J-aggregate excitons with Rabi splittings of 230 meV at room temperature.

Original languageEnglish
Article number266808
JournalPhysical Review Letters
Volume97
Issue number26
DOIs
Publication statusPublished - 2006

Bibliographical note

Sugawara Y, Kelf TA, Baumberg JJ, Abdelsalam ME, and Bartlett PN, Physical review letters, 97(26), 266808, 2006. Copyright 2006 by the American Physical Society. The original article can be found at http://dx.doi.org/10.1103/PhysRevLett.97.266808

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