Graded-index ridge surface plasmon polaritons waveguide

被引：4
|
作者：
Ye, Chunwei [1 ]
Liu, Yumin [1 ,2 ]
Wang, Jie [1 ]
Lv, Hongbo [1 ]
Yu, Zhongyuan [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[2] Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2014年 / 12卷 / 09期
基金：
中国国家自然科学基金;
关键词：
OPTICS;
D O I：
10.3788/COL201412.092402
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose and analyze a long-range dielectric-loaded surface plasmon polariton (SPP) waveguide based on graded-index ridge over server millimeter distances. Then the influence of the dielectric thickness and the ridge refractive index on propagation length and mode width is discussed and simulated with the finite element method. The result shows that the SPP can propagate as long as 3.42 mm, as well as the mode width keeping as 1.64 mu m, a better one compared with the fixed refractive index. Considering its nanoscale dimension and outstanding performance, the structure is easily realized when connected with electrodes.
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收藏
页数：4
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