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Proceedings Paper

Three-dimensional beaming of surface plasmon polaritons generated by subwavelength metallic hole
Author(s): Hwi Kim; Junghyun Park; Byoungho Lee
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Paper Abstract

Diffraction of optical field by subwavelength metallic hole is analyzed with the rigorous coupled wave analysis. The surface plasmon polaritons generated in this diffraction process can be coupled to directional beam-like radiation modes by circular surface grating structures. A simple holographic grating design equation is proposed for realizing various beaming of surface plasmon polaritons. The designed grating structures for on-axis beaming and Bessel-like beaming are demonstrated with three-dimensional electromagnetic field visualization. We discuss several interesting physical features in the diffractive beaming of surface plasmon polaritons by circular surface grating structures.

Paper Details

Date Published: 15 January 2008
PDF: 8 pages
Proc. SPIE 6837, Information Optics and Photonics Technologies II, 68370F (15 January 2008); doi: 10.1117/12.764084
Show Author Affiliations
Hwi Kim, Seoul National Univ. (South Korea)
Junghyun Park, Seoul National Univ. (South Korea)
Byoungho Lee, Seoul National Univ. (South Korea)


Published in SPIE Proceedings Vol. 6837:
Information Optics and Photonics Technologies II
Guoguang Mu; Feijun Song; Francis T. S. Yu; Suganda Jutamulia, Editor(s)

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