Waveguide-plasmon polaritons: Strong coupling of photonic and electronic resonances in a metallic photonic crystal slab

A. Christ, S. G. Tikhodeev, N. A. Gippius, J. Kuhl, H. Giessen

Research output: Contribution to journalArticlepeer-review

550 Citations (Scopus)

Abstract

Strong coupling between localized particle plasmons and optical waveguide modes leads to drastic modifications of the transmission of metallic nanowire arrays on dielectric waveguide substrates. The coupling results in the formation of a new quasiparticle, a waveguide-plasmon polariton, with a surprisingly large Rabi splitting of 250 meV. Our experimental results agree well with scattering-matrix calculations and a polariton-type model. The effect provides an efficient tool for photonic band gap engineering in metallodielectric photonic crystal slabs. We show evidence of a full one-dimensional photonic band gap in resonant plasmon-waveguide structures.

Original languageEnglish
JournalPhysical Review Letters
Volume91
Issue number18
DOIs
Publication statusPublished - 2003
Externally publishedYes

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