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Plasmonic topological edge states in ring-structure gate graphene
Song, Zidong1,3; Liu, HongJun1,2; Huang, Nan1; Wang, ZhaoLu1
Department瞬态光学技术国家重点实验室
2018-10-10
Source PublicationAPPLIED OPTICS
ISSN1559-128X
Volume57Issue:29Pages:8503-8507
Contribution Rank1
Abstract

Topological photonic states exhibit unique robustness against defects, facilitating fault-tolerant photonic device applications. However, existing proposals either involve a sophisticated and bulky structure or can only operate in the microwave regime. We show a theoretical demonstration for highly confined topologically protected plasmonic states to be realized at infrared frequencies in monolayer graphene with a ring-structure gate. With a suitable bias voltage, the combined gate-graphene structure is shown to produce sufficiently strong Bragg scattering of graphene surface plasmons and to impart them with nontrivial topological properties. Our design is compact and could pave the way for dynamically reconfigurable, robust, nanoscale, integrated photonic devices. (C) 2018 Optical Society of America

DOI10.1364/AO.57.008503
Indexed BySCI ; EI
Language英语
WOS IDWOS:000446845800004
PublisherOPTICAL SOC AMER
EI Accession Number20184205940168
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30666
Collection瞬态光学技术国家重点实验室
Corresponding AuthorLiu, HongJun
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
2.Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Song, Zidong,Liu, HongJun,Huang, Nan,et al. Plasmonic topological edge states in ring-structure gate graphene[J]. APPLIED OPTICS,2018,57(29):8503-8507.
APA Song, Zidong,Liu, HongJun,Huang, Nan,&Wang, ZhaoLu.(2018).Plasmonic topological edge states in ring-structure gate graphene.APPLIED OPTICS,57(29),8503-8507.
MLA Song, Zidong,et al."Plasmonic topological edge states in ring-structure gate graphene".APPLIED OPTICS 57.29(2018):8503-8507.
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