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

doi:10.1103/PhysRevLett.97.266808

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 language	English
Article number	266808
Journal	Physical Review Letters
Volume	97
Issue number	26
DOIs	https://doi.org/10.1103/PhysRevLett.97.266808
Publication status	Published - 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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AU - Abdelsalam, M. E.

AU - Bartlett, P. N.

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AB - 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.

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Strong coupling between localized plasmons and organic excitons in metal nanovoids

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