Coupling effect of bright and dark modes in THz metamaterials

被引：0
|
作者：
Yuan Y. [1 ,2 ]
Zhang H. [2 ]
Zhang X. [2 ]
Gu J. [2 ]
Hu F. [1 ,3 ]
Xiong X. [1 ,3 ]
Zhang W. [1 ,3 ]
Han J. [1 ,2 ]
机构：
[1] School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin
[2] Center for THz Waves, College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin
[3] Guangxi Key Laboratory of Optoelectronics Information Processing, Guilin
来源：
| 2018年 / Chinese Society of Astronautics卷 / 47期
关键词：
Asymmetric excitation of surface wave; Bright and dark modes; EIA; EIT; Metamaterials;
D O I：
10.3788/IRLA201847.0121002
中图分类号：
学科分类号：
摘要：
The coupling mechanism of bright and dark modes in metamaterials have got enormous attention after the vivid mimicking of electromagnetically induced transparency (EIT) with plasmonic metamaterials. The research progress based on the coupling effects of bright and dark modes over the past few years was reviewed, including the EIT by planar metamaterials, the EIT effect with stereo metamaterials, electromagnetically induced absorption (EIA) from vertically coupling of bright and dark modes and asymmetric excitation of surface wave. The inner mode-coupling mechanism in each unit cell which consisted of the metamaterial determined the far-field and near-field responses. These different coupling mechanisms had important promising value in the designing of functional devices, like optical switch, slow-light devices, sensitive optical sensor and on-chip optical system. © 2018, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved.
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