Electromagnetic energy transport along arrays of closely spaced metal rods as an analogue to plasmonic devices

Stefan A. Maier; Mark L. Brongersma; Harry A. Atwater

doi:10.1063/1.1337637

Electromagnetic energy transport along arrays of closely spaced metal rods as an analogue to plasmonic devices

Stefan A. Maier, Mark L. Brongersma, Harry A. Atwater

Research output: Contribution to journal › Article › Research › peer-review

110 Citations (Scopus)

Abstract

The transport of electromagnetic energy along structures consisting of arrays of closely spaced metal rods (spacing = 0.2cm) was investigated in the microwave regime at 8.0GHz(λ = 3.7cm). The dispersion relation shows that information transport occurs at a group velocity of 0.6c. The electromagnetic energy is highly confined to the arrays (90% within a distance of 0.05λ from the array). The propagation loss in a straight array is 3 dB/8 cm. Routing of energy around 90° corners is possible with a power loss of 3-4 dB. Analogies to plasmon wires consisting of arrays of nm-size metal clusters are discussed.

Original language	English
Pages (from-to)	16-18
Number of pages	3
Journal	Applied Physics Letters
Volume	78
Issue number	1
DOIs	https://doi.org/10.1063/1.1337637
Publication status	Published - 1 Jan 2001
Externally published	Yes

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Electromagnetic energy transport along arrays of closely spaced metal rods as an analogue to plasmonic devices

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