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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
Department瞬态光学技术国家重点实验室
2019-01
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102;1572-9494
Volume71Issue:1Pages:97-102
Contribution Rank2
Abstract

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.

KeywordTHz modulator graphene
DOI10.1088/0253-6102/71/1/97
Indexed BySCI
Language英语
WOS IDWOS:000456842600013
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31169
Collection瞬态光学技术国家重点实验室
Affiliation1.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
Recommended Citation
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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