Dielectric stripes on gold as surface plasmon waveguides

被引：243

作者：

Steinberger, B ^{[1
]}

Hohenau, A

Ditlbacher, H

Stepanov, AL

Drezet, A

Aussenegg, FR

Leitner, A

Krenn, JR

机构：

[1] Karl Franzens Univ Graz, Inst Phys, A-8010 Graz, Austria

[2] Karl Franzens Univ Graz, Erwin Schrodinger Inst Nanoscale Res, A-8010 Graz, Austria

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 09期

关键词：

D O I：

10.1063/1.2180448

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on surface plasmon polariton (SPP) waveguiding by SiO2 stripes on gold thin films. Compared to other SPP waveguide schemes, these systems provide relatively large effective refractive indices which can be described by the effective index method. By leakage radiation and near-field optical microscopy, we observe directly multimode and monomode behavior in straight SPP waveguides of different widths. Furthermore, we demonstrate waveguide bends and cross-talk free propagation across waveguide crossings.

引用

页数：3

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