石墨烯
太赫兹辐射
材料科学
等离子体子
慢光
平面的
光电子学
谐振器
折射率
色散(光学)
光学
纳米技术
光子晶体
物理
计算机科学
计算机图形学(图像)
作者
Ming Zhao,Hui Xu,Cuixiu Xiong,Baihui Zhang,Chao Liu,Weiping Xie,Hongjian Li
标识
DOI:10.1016/j.rinp.2019.102796
摘要
We have studied a simple novel graphene ribbon structure. A very excellent and prominent dual graphene plasmon induced transparency phenomenon could be achieved by the destructive interference resulted from the excited plasmonic modes in terahertz band. Using the simple relationship between graphene and applied voltage, a good tunable effect of this structure can be achieved. The transmission of this proposed structure is theoretically investigated by using the equivalent resonator coupled mode method. The theoretical data from our proposed method are in good agreement with the numerical simulation results. Moreover, utilizing the high dispersion property, we have also researched the slow light effect for this proposed system. The results of theoretical research have indicated that the group refractive index of our proposed structure can maintain an excellent numerical value. This investigation can play a significant role in the tunable graphene-based slow light devices.
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