A hybrid long-range plasmonic waveguide with sub-wavelength confinement

被引：14
|
作者：
Chen, Lin [1 ]
Li, Xun [2 ]
Wang, Guoping [3 ,4 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Optoelect Sci & Engn, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[2] McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON L8S 4K1, Canada
[3] Wuhan Univ, Minist Educ, Key Lab Acoust & Photon Mat & Devices, Wuhan 430072, Peoples R China
[4] Wuhan Univ, Dept Phys, Wuhan 430072, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2013年 / 291卷
关键词：
Plasmons; Optical waveguides; Nanophotonics; POLARITON; LIGHT; MODE;
D O I：
10.1016/j.optcom.2012.11.031
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A symmetric three dielectric layer stack with a low-high-low dielectric constant distribution is proposed to replace the conventional single dielectric layer on both sides of the thin metal layer to guide the long range surface plasmonic polaritons. Our simulation result shows that the new design is capable of providing more compact modal confinement as well as low loss transmission due to the coupling between the plasmonic and dielectric waveguide modes. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：400 / 404
页数：5
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