Adiabatic nanofocusing of channel plasmon polaritons

被引：32
|
作者：
Bozhevolnyi, Sergey I. [1 ]
Nerkararyan, Khachatur V. [2 ]
机构：
[1] Univ So Denmark, Inst Sensors Signals & Electrotech, DK-5230 Odense M, Denmark
[2] Yerevan State Univ, Dept Phys, Yerevan 375049, Armenia
来源：
OPTICS LETTERS | 2010年 / 35卷 / 04期
关键词：
SURFACE-PLASMONS;
D O I：
10.1364/OL.35.000541
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Using the analytical description of channel plasmon polaritons (CPPs) developed recently [ Opt. Lett. 34, 2039 ( 2009)], we consider the adiabatic CPP nanofocusing in V grooves with linearly decreasing groove angles, deriving closed-form expressions for local field enhancements. Calculations at telecom wavelengths predict the possibility of reaching the intensity enhancements exceeding similar to 1200 for realistic groove tapers cut into gold. Our conclusions are in good agreement with the results of previous investigations. (C) 2010 Optical Society of America
引用
收藏
页码：541 / 543
页数：3
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