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Electrically tunable robust edge states in graphene-based topological photonic crystal slabs

文献类型：期刊论文

作者Song, Zidong1,3; Liu, HongJun1,2; Huang, Nan1; Wang, ZhaoLu1
刊名JOURNAL OF PHYSICS D-APPLIED PHYSICS
出版日期2018-03-07
卷号51期号:9
关键词Photonic Crystals Graphene Photonic Crystal Waveguides
ISSN号0022-3727
DOI10.1088/1361-6463/aaa9fe
产权排序1
英文摘要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.

语种英语
WOS记录号WOS:000425118800001
源URL[http://ir.opt.ac.cn/handle/181661/30771]  
专题西安光学精密机械研究所_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
推荐引用方式
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).

入库方式： OAI收割

来源：西安光学精密机械研究所

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