Dispersion of strongly confined channel plasmon polariton modes

被引:21
|
作者
Zenin, Vladimir A. [1 ]
Volkov, Valentyn S. [2 ]
Han, Zhanghua [2 ]
Bozhevolnyi, Sergey I. [2 ]
Devaux, Eloisa [3 ]
Ebbesen, Thomas W. [3 ]
机构
[1] State Univ, Moscow Inst Phys & Technol, Dept Gen Phys, Lab Nanoopt & Femtosecond Elect, Dolgoprudnyi 141700, Russia
[2] Univ So Denmark, Inst Technol & Innovat, DK-5230 Odense M, Denmark
[3] Univ Strasbourg, CNRS, UMR7006, Lab Nanostruct,ISIS, Strasbourg 67000, France
基金
欧洲研究理事会;
关键词
SUBWAVELENGTH WAVE-GUIDE; EXCITATION;
D O I
10.1364/JOSAB.28.001596
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report on experimental (by use of scanning near-field optical microscopy) and theoretical investigations of strongly confined (similar to lambda/5) channel plasmon polariton (CPP) modes propagating at telecom wavelengths (1425-1630 nm) along V-grooves cut in a gold film. The main CPP characteristics (mode index, width, and propagation length) are determined directly from the experimental near-field images and compared to theoretical results obtained using an analytic description of CPP modes supported by (infinitely deep) V-grooves and finite-element simulations implemented in COMSOL. (c) 2011 Optical Society of America
引用
收藏
页码:1596 / 1602
页数:7
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