Single-mode graphene-coated nanowire plasmonic waveguide

被引：92

作者：

Gao, Yixiao ^{[1
,2
]}

Ren, Guobin ^{[1
,2
]}

Zhu, Bofeng ^{[1
,2
]}

Wang, Jing ^{[3
]}

Jian, Shuisheng ^{[1
,2
]}

机构：

[1] Beijing Jiaotong Univ, EMC, Key Lab All Opt Network & Adv Telecommun Network, Beijing 100044, Peoples R China

[2] Beijing Jiaotong Univ, Inst Lightwave Technol, Beijing 100044, Peoples R China

[3] Sci & Technol Opt Radiat Lab, Beijing 100854, Peoples R China

来源：

OPTICS LETTERS | 2014年 / 39卷 / 20期

基金：

中国国家自然科学基金;

关键词：

PROPAGATION; MICROFIBER;

D O I：

10.1364/OL.39.005909

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose in this Letter a single-mode graphene-coated nanowire surface plasmon waveguide. The single-mode condition and modal cutoff wavelength of high order modes are derived from an analytic model and confirmed by numerical simulation. The mode number diagram of the proposed waveguide in the wavelength-radius space is also demonstrated. By changing the Fermi level of graphene, the performance of the proposed waveguide could be tuned flexibly, offering potential application in tunable nanophotonic devices. (C) 2014 Optical Society of America

引用

页码：5909 / 5912

页数：4

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