A novel transmission model for plasmon-induced transparency in plasmonic waveguide system with a single resonator

被引:10
|
作者
Yang, Hui [1 ,2 ]
Li, Guanhai [1 ,2 ]
Su, Xiaofang [1 ,2 ]
Zhao, Wenchao [1 ,2 ]
Zhao, Zengyue [1 ,2 ]
Chen, Xiaoshuang [1 ,2 ]
Lu, Wei [1 ,2 ]
机构
[1] Chinese Acad Sci, Shanghai Inst Tech Phys, Natl Lab Infrared Phys, 500 Yu Tian Rd, Shanghai 200083, Peoples R China
[2] Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China
来源
RSC ADVANCES | 2016年 / 6卷 / 56期
基金
中国国家自然科学基金;
关键词
ELECTROMAGNETICALLY INDUCED TRANSPARENCY; RING RESONATORS; OPTICS;
D O I
10.1039/c6ra07562b
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We investigate the electromagnetically induced transparency (EIT)-like effect in a single rectangle resonator modulated MIM bus waveguide system. A modified transmission model with two branches is proposed to characterize the physics of the two orthogonal electromagnetic modes formed in the resonator. Close agreement between the analytical results and the finite-difference time-domain (FDTD) simulations verifies the validity of the proposed transmission model. In addition, two different three-level systems mimicking the atomic EIT effect are utilized to further clarify the underlying physics of the plasmon-induced transparency (PIT) effect. It is found that better EIT-like shapes and larger values of group index can be achieved in the horizontal excited system (HES) than in the vertical excited system (VES). The results may deepen the understanding of the EIT-like effect and provide a helpful guideline for the control of light in highly integrated optical circuits.
引用
收藏
页码:51480 / 51484
页数:5
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