Guided subwavelength slow-light mode supported by a plasmonic waveguide system

被引：53
|
作者：
Yang, Liu [1 ]
Min, Changjun [2 ]
Veronis, Georgios [1 ,2 ]
机构：
[1] Louisiana State Univ, Dept Elect & Comp Engn, Baton Rouge, LA 70803 USA
[2] Louisiana State Univ, Ctr Computat & Technol, Baton Rouge, LA 70803 USA
来源：
OPTICS LETTERS | 2010年 / 35卷 / 24期
关键词：
SURFACE-PLASMONS;
D O I：
10.1364/OL.35.004184
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We introduce a plasmonic waveguide system, which supports a subwavelength broadband slow-light guided mode with a tunable slowdown factor at a given wavelength. The system consists of a metal-dielectric-metal (MDM) waveguide side-coupled to a periodic array of MDM stub resonators. The slowdown factor at a given wavelength can be tuned by adjusting the geometrical parameters of the system. In addition, there is a trade-off between the slowdown factor and the propagation length of the supported optical mode. Finally, we show that light can be coupled efficiently from a conventional MDM waveguide to the plasmonic waveguide system. (C) 2010 Optical Society of America
引用
收藏
页码：4184 / 4186
页数：3
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