Active formatting modulation of electromagnetically induced transparency in metamaterials

被引：0
|
作者：
孙豪 [1 ]
唐玉华 [1 ]
胡瑜泽 [2 ]
尤洁 [3 ]
刘衡竹 [1 ]
郑鑫 [3 ]
机构：
[1] College of Computer National University of Defense Technology
[2] College of Advanced Interdisciplinary Studies National University of Defense Technology
[3] National Innovation Institute of Defense Technology
来源：
ChineseOpticsLetters | 2020年 / 18卷 / 09期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
O441 [电磁学]; TN761 [调制技术与调制器]; TB34 [功能材料];
学科分类号：
0809 ; 080501 ;
摘要：
We experimentally demonstrate for the first time an active all-optical ultrafast modulation of electromagnetically induced transparency-like effect in a hybrid device of sapphire/Si/metamaterial. From numerical simulations, it can be deducted that the tuning process is attributed to the coupling between the dark mode existing in split-ring resonators and the bright mode existing in cut wire resonators. The transmission amplitude modulation is accompanied by the slow-light effect. In addition, the ultrafast formation process is measured to be as fast as 2 ps. This work should make an important contribution to novel chip-scale photonic devices and terahertz communications.
引用
收藏
页码：68 / 72
页数：5
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