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Electrically tunable robust edge states in graphene-based topological photonic crystal slabs
Song, Zidong1,3; Liu, HongJun1,2; Huang, Nan1; Wang, ZhaoLu1
作者部门瞬态光学技术国家重点实验室
2018-03-07
发表期刊JOURNAL OF PHYSICS D-APPLIED PHYSICS
ISSN0022-3727
卷号51期号:9
产权排序1
摘要

Topological photonic crystals are optical structures supporting topologically protected unidirectional edge states that exhibit robustness against defects. Here, we propose a graphene-based all-dielectric photonic crystal slab structure that supports two-dimensionally confined topological edge states. These topological edge states can be confined in the out-of-plane direction by two parallel graphene sheets. In the structure, the excitation frequency range of topological edge states can be dynamically and continuously tuned by varying bias voltage across the two parallel graphene sheets. Utilizing this kind of architecture, we construct Z-shaped channels to realize topological edge transmission with diffrerent frequencies. The proposal provides a new degree of freedom to dynamically control topological edge states and potential applications for robust integrated photonic devices and optical communication systems.

 

关键词Photonic Crystals Graphene Photonic Crystal Waveguides
DOI10.1088/1361-6463/aaa9fe
收录类别SCI ; EI
语种英语
WOS记录号WOS:000425118800001
EI入藏号20180904835595
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30771
专题瞬态光学技术国家重点实验室
作者单位1.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
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GB/T 7714
Song, Zidong,Liu, HongJun,Huang, Nan,et al. Electrically tunable robust edge states in graphene-based topological photonic crystal slabs[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2018,51(9).
APA Song, Zidong,Liu, HongJun,Huang, Nan,&Wang, ZhaoLu.(2018).Electrically tunable robust edge states in graphene-based topological photonic crystal slabs.JOURNAL OF PHYSICS D-APPLIED PHYSICS,51(9).
MLA Song, Zidong,et al."Electrically tunable robust edge states in graphene-based topological photonic crystal slabs".JOURNAL OF PHYSICS D-APPLIED PHYSICS 51.9(2018).
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