Polarisation-resolved near-field mapping of a coupled gold nanowire array

被引:30
|
作者
Uebel, Patrick [1 ]
Schmidt, Markus A. [1 ]
Lee, Howard W. [1 ]
Russell, Philip St. J. [1 ,2 ]
机构
[1] Max Planck Inst Sci Light, Erlangen, Germany
[2] Univ Erlangen Nurnberg, Dept Phys, D-91058 Erlangen, Germany
来源
OPTICS EXPRESS | 2012年 / 20卷 / 27期
关键词
SURFACE-PLASMONS; EXCITATION; VECTOR; ENERGY;
D O I
10.1364/OE.20.028409
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report direct observation of the 2D transverse near-field intensity and polarisation distribution of surface plasmon polaritons guided on metal nanowires. Quadrupolar modes are excited on an array of coupled nanowires arranged around the central glass core in a photonic crystal fibre, with lobes whose orientation depends on the polarisation state of the launched core light. The radial electric field is resolved using a polarization sensitive near-field probe in light-collection mode. (C) 2012 Optical Society of America
引用
收藏
页码:28409 / 28417
页数:9
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