1 x 2 Graphene Surface Plasmon Waveguide Beam Splitter Based on Self-Imaging

被引：0
|
作者：
Lu, Liu [1 ]
Xu, Peng [1 ]
Zhang, Liang [1 ]
Le, Jia [1 ]
Chen, Daifen [2 ]
机构：
[1] Jiangsu Univ, Sch Mech Engn, Zhenjiang 212013, Peoples R China
[2] Jiangsu Univ Sci & Technol, Sch Energy & Power, Zhenjiang 212003, Peoples R China
来源：
NANOMATERIALS | 2024年 / 14卷 / 18期
基金：
中国国家自然科学基金;
关键词：
surface plasmons; waveguides; beam splitters; self-imaging; PLATE; FIELD;
D O I：
10.3390/nano14181538
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Based on the principle of self-imaging, a 1 x 2 graphene waveguide beam splitter is proposed in this work, which can split the graphene surface plasmons excited by far-infrared light. The multimode interference process in the graphene waveguide is analyzed by guided-mode propagation analysis (MPA), and then the imaging position is calculated. The simulation results show that the incident beam can be obviously divided into two parts by the self-imaging of the graphene surface plasmon. In addition, the influences of the excited light wavelength, Fermi level, dielectric environment on the transmission efficiency are studied, which provide a reference for the research of graphene waveguide related devices.
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页数：7
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