Dielectric stripes on gold as surface plasmon waveguides: Bends and directional couplers

被引：78

作者：

Steinberger, B.

Hohenau, A.

Ditlbacher, H.

Aussenegg, F. R.

Leitner, A.

Krenn, J. R. ^{[1
]}

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 | 2007年 / 91卷 / 08期

关键词：

D O I：

10.1063/1.2772774

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Dielectric thin film stripes on a metal surface can be applied as surface plasmon (SP) waveguides. Here, the authors demonstrate experimentally that such structures can be used to build SP waveguide bends and couplers. On one hand, they show that SP transmission through a waveguide bend can be maximized by assuming the trade-off of propagation and bend induced radiation losses. On the other hand, the authors combine two waveguides to form a directional SP coupler. (c) 2007 American Institute of Physics.

引用

页数：3

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