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Dynamically Tunable and High-Contrast Graphene-Based Terahertz Electro-Optic Modulator
Li, Shao-Peng1; Zhou, Jing1; Yin, Rui-Ling1; Sun, Qi-Bing1,2
作者部门瞬态光学技术国家重点实验室
2019-01
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102;1572-9494
卷号71期号:1页码:97-102
产权排序2
摘要

We propose and discuss terahertz (THz) electro-optic modulator induced by periodically patterned graphene micro cavity. Due to the joint effect of graphene plasmon resonances and Fabry-Perot (F-P) oscillations, plasmon-induced transparency (PIT) effect is achieved and the operation frequency can be dynamically tuned by graphene Fermi energies and structural parameters. The results reveal that modulation depth (MD) larger than 80% is obtained across a wide frequency range from 4.2 THz to 9.4 THz, and the largest MD and Q factor reaches 95% and 15.8, respectively. In addition, operation frequency range and MD can also be tuned by optimizing the structure parameters. This investigation promises the development of high-performance widely tunable THz modulator in chip integrated photonic circuits.

关键词THz modulator graphene
DOI10.1088/0253-6102/71/1/97
收录类别SCI
语种英语
WOS记录号WOS:000456842600013
出版者IOP PUBLISHING LTD
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/31169
专题瞬态光学技术国家重点实验室
作者单位1.Shanxi Univ Sci & Technol, Dept Phys, Xian 710021, Shaanxi, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon Technol, Xian 710119, Shaanxi, Peoples R China
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GB/T 7714
Li, Shao-Peng,Zhou, Jing,Yin, Rui-Ling,et al. Dynamically Tunable and High-Contrast Graphene-Based Terahertz Electro-Optic Modulator[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2019,71(1):97-102.
APA Li, Shao-Peng,Zhou, Jing,Yin, Rui-Ling,&Sun, Qi-Bing.(2019).Dynamically Tunable and High-Contrast Graphene-Based Terahertz Electro-Optic Modulator.COMMUNICATIONS IN THEORETICAL PHYSICS,71(1),97-102.
MLA Li, Shao-Peng,et al."Dynamically Tunable and High-Contrast Graphene-Based Terahertz Electro-Optic Modulator".COMMUNICATIONS IN THEORETICAL PHYSICS 71.1(2019):97-102.
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