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Proceedings Paper

Plasmonic waveguides with wavelength selective function
Author(s): Masanobu Haraguchi; Yosuke Matsuzaki; Tatsuro Tsuzura; Toshihiro Okamoto; Masuo Fukui; Kazumasa Okamoto; Shu Seki; Seiichi Tagawa
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Paper Abstract

We have analyzed the characteristics of three types of gap plasmon waveguides having wavelength selective functions: one is structured by a Fabry-Perot resonator with reflectors, one is structured by a slot resonator and the other is the waveguide with a single or two stubs. We have presented the numerical results of the transmittance spectra for these structures calculated by using the finite-difference time-domain method. The numerical results have clearly indicated that all structures of a sub-micron size work properly as wavelength selective devices. The advantage of a stub type of waveguide is on easiness in fabricating, while that for a Fabry-Perot type of waveguide is to lead to making the size decrease considerably and relatively high Q-factor.

Paper Details

Date Published: 28 August 2008
PDF: 11 pages
Proc. SPIE 7033, Plasmonics: Nanoimaging, Nanofabrication, and Their Applications IV, 70330V (28 August 2008); doi: 10.1117/12.794541
Show Author Affiliations
Masanobu Haraguchi, The Univ. of Tokushima (Japan)
Yosuke Matsuzaki, The Univ. of Tokushima (Japan)
Tatsuro Tsuzura, The Univ. of Tokushima (Japan)
Toshihiro Okamoto, The Univ. of Tokushima (Japan)
Masuo Fukui, The Univ. of Tokushima (Japan)
Kazumasa Okamoto, Osaka Univ. (Japan)
Shu Seki, Osaka Univ. (Japan)
Seiichi Tagawa, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 7033:
Plasmonics: Nanoimaging, Nanofabrication, and Their Applications IV
Satoshi Kawata; Vladimir M. Shalaev; Din Ping Tsai, Editor(s)

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