Graphene-based directive optical leaky wave antenna

被引：18
|
作者：
Patel, Shobhit K. [1 ,2 ]
Sorathiya, Vishal [2 ]
Guo, Tianjing [1 ]
Argyropoulos, Christos [1 ]
机构：
[1] Univ Nebraska, Elect & Comp Engn Dept, Lincoln, NE 68588 USA
[2] Marwadi Educ Fdn Grp Inst, Elect & Commun Dept, Rajkot, Gujarat, India
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2019年 / 61卷 / 01期
关键词：
directive; graphene; optical leaky wave antenna;
D O I：
10.1002/mop.31538
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We realized graphene-based optical leaky wave antenna as an alternative to simple optical leaky wave antenna. The use of graphene in designing optical leaky wave antenna provides improved directivity. Tuning of this sharp directive pattern can be used for beam shaping of an optical antenna. The graphene layers are loaded in Si3N4 waveguide. The graphene layers are excited by a fixed voltage. Our results lead to graphene-based design in the third window of optical communication. In addition, graphene-based leaky wave design gives enhancement in different antenna parameters like reflection coefficient, transmission coefficient, and gain. The proposed graphene designs have directive response with high efficiency and are envisioned to become building blocks of several infrared systems which is going to be applicable in medical sensing systems.
引用
收藏
页码：153 / 157
页数：5
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