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タイトル: | Formation of a hybrid plasmonic waveguide mode probed by dispersion measurement |
著者: | Saito, H. Kurata, H. |
著者名の別形: | 倉田, 博基 |
発行日: | 7-Apr-2015 |
出版者: | AIP Publishing |
誌名: | Journal of Applied Physics |
巻: | 117 |
号: | 13 |
論文番号: | 133107 |
抄録: | Hybrid waveguides, i.e., dielectric waveguides combined with plasmonic waveguides, have great potential for concomitantly exhibiting subwavelength confinement and long range propagation, enabling a highly integrated photonic circuit. We report the characterization of hybrid waveguide modes excited in Si/SiO[2]/Al films, by dispersion measurement using angle-resolved electron energy-loss spectroscopy. This experiment directly verifies the formation of the hybrid waveguide mode with a strongly localized electromagnetic field in a 6-nm-thick SiO[2] layer. The results clearly describe the characteristic behavior of the hybrid waveguide mode, which depends on the effective index of the constituent dielectric waveguide and the surface plasmon-polariton modes. |
著作権等: | © 2015 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. |
URI: | http://hdl.handle.net/2433/198836 |
DOI(出版社版): | 10.1063/1.4916800 |
出現コレクション: | 学術雑誌掲載論文等 |
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