Waveguide plasmon polaritons in metal-dielectric photonic crystal slabs

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

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The optical properties of arrays of metallic (gold) nanowires deposited on dielectric substrates are studied both theoretically and experimentally. Depending on the substrate, Wood's anomalies of two types are observed in the transmission spectra of such planar metal-dielectric photonic crystals. One of them is diffraction (Rayleigh) anomalies associated with the opening of diffraction channels to the substrate or air with an increase in the frequency of the incident light. The other type of Wood's anomaly is resonance anomalies associated with excitation of surface quasi-guided modes in the substrate. Coupling of the quasi-guided modes with individual nanowire plasmons brings about the formation of waveguide plasmon polaritons. This effect is accompanied by a strong rearrangement of the optical spectrum and can be utilized to control the photonic bands of metal-dielectric photonic crystal slabs.

Original languageEnglish
Pages (from-to)145-149
Number of pages5
JournalPhysics of the Solid State
Volume47
Issue number1
DOIs
Publication statusPublished - 2 Feb 2005
Externally publishedYes

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