Plasmonic analog of electromagnetically-induced transparency of asymmetrical slots waveguide

被引：2
|
作者：
Sun, Lin [1 ]
Wang, Jicheng [1 ,2 ]
Hu, Zheng-Da [1 ]
Wang, Xiaosai [1 ]
Chen, Jing [1 ]
机构：
[1] Jiangnan Univ, Sch Sci, Wuxi 214122, Peoples R China
[2] Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2016年 / 30卷 / 05期
基金：
中国国家自然科学基金;
关键词：
SPPs; metal-insulator-metal structures; EIT; Fabry-Perot;
D O I：
10.1142/S0217984916500457
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, electromagnetically-induced transparency (EIT) phenomena have been investigated numerically in the plasmonic waveguides composed of unsymmetrical slot shaped metal insulator metal (MIM) structures. By the transmission line theory and Fabry-Perot model, the formation and evolution mechanisms of plasmon-induced transparency were exactly analyzed. The analysis showed that the peak of EIT-like transmission could be changed easily according to certain rules by adjusting the geometrical parameters of the slot structures, including the coupling distances and slot depths. We can find a new method to design nanoscale optical switch, devices in optical storage and optical computing.
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页数：9
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