Propagation of surface plasmons along low-dimensional materials

被引:0
作者
Kang, Ji-Hun [1 ]
机构
[1] Seoul Natl Univ, Dept Phys & Astron, Seoul 08826, South Korea
来源
ULTRAFAST PHENOMENA AND NANOPHOTONICS XXII | 2018年 / 10530卷
基金
新加坡国家研究基金会;
关键词
low-dimensional materials; van der Waals materials; graphene; carbon nanotubes; surface plasmons; PHONON POLARITONS;
D O I
10.1117/12.2288130
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
We discuss propagation behaviors of surface plasmons (SPs) in 2-dimensional (2D) and 1-dimensional (1D) materials, such as graphene and carbon nanotubes. Firstly, we introduce recent theoretical and experimental studies on the reflections of SPs at the edge of 2D material, and discuss corresponding anomalous phase shifts. Also, we extend our theoretical model to describe the tunneling of SPs through an abrupt nano-gap in 2D surface. Specifically, we examine gap-size dependent tunneling efficiency and the nature of phase shift. Finally, we apply our model to explain SP interaction with the end of 1D material, and discuss how the SP reflection in the 1D system can be described.
引用
收藏
页数:11
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