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Broadband hybrid plasmonic graphene modulator operating at mid-Infrared wavelength
Ban, Xiaoqiang1,2; Zhong, Ming3; Little, Brent E.1,2
Department瞬态光学研究室
2021-12
Source PublicationOptik
ISSN00304026
Volume247
Contribution Rank1
Abstract

A broadband modulator with hybrid plasmonic graphene waveguide is proposed. The waveguide is very convenient to transfer graphene and improve fabrication tolerance. We use tip enhancement effect of graphene-based hybrid wedge SPPs mode to enhance light absorption modulation. The interaction between the hybrid plasmonic graphene structure and the optical field is numerically investigated. We get the geometrical optimization value by sweeping the parameter with FDTD method. The result demonstrates that modulation depth of our proposed modulator exceeds 3 dB when wavelength changes from 3.3 to 3.7 µm. Moreover, compared with previous papers, our proposed modulator can obtain broader modulation bandwidth (156.49 GHz) and need lower power consumption (477 fJ/bit), which has a better performance in potential applications such as optoelectronic countermeasure systems and optical signal processing. © 2021 Elsevier GmbH

KeywordBroadband Graphene Hybrid plasmonic modulator Mid-infrared
DOI10.1016/j.ijleo.2021.168036
Indexed ByEI
Language英语
PublisherElsevier GmbH
EI Accession Number20214010971052
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/95089
Collection瞬态光学研究室
Corresponding AuthorBan, Xiaoqiang
Affiliation1.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.School of Mathematics and Statistics, Shaanxi Normal University, Xi'an; 710119, China
Recommended Citation
GB/T 7714
Ban, Xiaoqiang,Zhong, Ming,Little, Brent E.. Broadband hybrid plasmonic graphene modulator operating at mid-Infrared wavelength[J]. Optik,2021,247.
APA Ban, Xiaoqiang,Zhong, Ming,&Little, Brent E..(2021).Broadband hybrid plasmonic graphene modulator operating at mid-Infrared wavelength.Optik,247.
MLA Ban, Xiaoqiang,et al."Broadband hybrid plasmonic graphene modulator operating at mid-Infrared wavelength".Optik 247(2021).
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