Plasmonic crystal demultiplexer and multiports

被引：110
作者：
Drezet, A.
Koller, Daniel
Hohenau, Andreas
Leitner, Alfred
Aussenegg, Franz R.
Krenn, Joachim R.
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：
NANO LETTERS | 2007年 / 7卷 / 06期
关键词：
D O I：
10.1021/nl070682p
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report the realization of two-dimensional optical wavelength demultiplexers and multiports for surface plasmons polaritons (SPPs) based on plasmonic crystals, i.e., photonic crystals for SPPs. These SPP elements are built up of lithographically fabricated gold nanostructures on gold thin films. We show by direct imaging of laterally confined SPP beams in the visible spectral range by leakage radiation microscopy that SPPs of different wavelengths are efficiently rerouted into different directions. In addition we demonstrate the generation of three output SPP beams from one input beam.
引用
收藏
页码：1697 / 1700
页数：4
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