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Unveiling electrically tunable characteristics of second-order dispersion in graphene-silicon nitride waveguides
Xie, Peng1,2,4; Xue, Mantian2; Wen, Yu3; Li, Xiaofeng1; Wang, Xinyu1,4; Yin, Haoyi4; Duo, Chengze4; Liu, Jiarui1,5; Liu, Jianhua4
Department瞬态光学技术国家重点实验室
2019
Source PublicationMODERN PHYSICS LETTERS B
ISSN0217-9849;1793-6640
Volume33Issue:5
Contribution Rank1
Abstract

In this paper, we proposed a graphene-silicon nitride (GSN) waveguide model, which was unveiled to unveil its second-order dispersion (SOD) characteristics. The influences of the different thicknesses of graphene layer and the different heights from graphene to the core material of silicon nitride on SOD were investigated in detail. The tunability of SOD via controlling the bias voltage applied to the graphene layer was demonstrated and a 50 nm wavelength tuning was achieved with a small perturbation in voltage while keeping the geometric structure of the waveguide unchanged. Moreover, a flat SOD curve of the GSN waveguide was obtained with a large bandwidth of 700 nm between the two zero-dispersion wavelengths (ZDWs). These results provided significant insights for potential applications of graphene-related optoelectronic devices, integrated optics, and optical communications.

KeywordNonlinear optics integrated optics waveguides second-order dispersion
DOI10.1142/S0217984919500532
Indexed BySCI
Language英语
WOS IDWOS:000459457800011
PublisherWORLD SCIENTIFIC PUBL CO PTE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31200
Collection瞬态光学技术国家重点实验室
Corresponding AuthorXie, Peng
Affiliation1.Chinese Acad Sci, XIOPM, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
2.MIT, Cambridge, MA 02139 USA
3.Natl Univ Def Technol, Changsha 410073, Hunan, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Sun Yat Sen Univ, Guangzhou 510000, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Xie, Peng,Xue, Mantian,Wen, Yu,et al. Unveiling electrically tunable characteristics of second-order dispersion in graphene-silicon nitride waveguides[J]. MODERN PHYSICS LETTERS B,2019,33(5).
APA Xie, Peng.,Xue, Mantian.,Wen, Yu.,Li, Xiaofeng.,Wang, Xinyu.,...&Liu, Jianhua.(2019).Unveiling electrically tunable characteristics of second-order dispersion in graphene-silicon nitride waveguides.MODERN PHYSICS LETTERS B,33(5).
MLA Xie, Peng,et al."Unveiling electrically tunable characteristics of second-order dispersion in graphene-silicon nitride waveguides".MODERN PHYSICS LETTERS B 33.5(2019).
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