ELECTROMAGNETICALLY INDUCED TRANSPARENCY (EIT)-LIKE TRANSMISSION IN ORTHOGONAL-COUPLED SLOT CAVITIES

被引：4
|
作者：
Guo, Yinghui [1 ]
Yan, Lianshan [1 ]
Pan, Wei [1 ]
Luo, Bin [1 ]
Wen, Kunhua [1 ]
Guo, Zhen [1 ]
Luo, Xiangang [2 ]
机构：
[1] Southwest Jiaotong Univ, Ctr Informat Photon & Commun, Chengdu 610031, Peoples R China
[2] Chinese Acad Sci, State Key Lab Opt Technol Microfabricat, Chengdu 610029, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2013年 / 27卷 / 02期
关键词：
Surface plasmon; electromagnetically induced transparency; orthogonal-coupled cavities;
D O I：
10.1142/S0217984913500097
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The transmission characteristics and electromagnetic responses of orthogonal-coupled slot cavities system are investigated with finite difference time domain (FDTD) method. Results show the electromagnetically induced transparency (EIT)-like transmission can be realized in the proposed structure due to the destructive interference between the horizontal cavity (bright mode) and the vertical cavity (dark mode). Moreover, trapped resonance modes in the horizontal cavity can be selective whether to be induced in vertical cavity or not depending on their relative position. Consequently, EIT-like transmission can be obtained in visible and near-infrared range, simultaneously or individually. The corresponding physical mechanisms are discussed in terms of counter profiles of fields vertical bar Hz vertical bar and coupled mode theory. Influences of the geometrical parameters on EIT-like transmission are also investigated to generate transparency windows with different shape.
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页数：8
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