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题名

Nonlinear optical properties of 6H-SiC and 4H-SiC in an extensive spectral range

作者
通讯作者Guo,Liang
共同第一作者Guo,Xiao; Peng,Zeyu; Ding,Pengbo
发表日期
2021
DOI
发表期刊
EISSN
2159-3930
卷号11期号:4页码:1080-1092
摘要

Silicon carbide (SiC), which is the leading representative of the third-generation of semiconductors, possesses many excellent physical properties. However, its advantages also incur difficulties in processing, which calls for special processing techniques, such as femtosecond laser machining. In addition, SiC has shown unprecedented potential for optoelectronic applications. Knowledge of the nonlinear absorption coefficient and the nonlinear refractive index coefficient of SiC is required in both of the fields. In this work, the nonlinear absorption coefficient and the nonlinear refractive index coefficient of semi-insulating (SI) 6H-SiC and SI 4H-SiC, the most pervasive SiC polytypes, are measured in an extensive spectral range from 400 nm to 1000 nm with the Z-scan technique. Besides, the spectral dependence of the nonlinear optical properties is analyzed, facilitated by linear absorption spectrum. Especially, two-photon absorption (2PA) and three-photon absorption (3PA) coefficients of SI 6H-SiC and SI 4H-SiC are characterized in the respective spectral ranges. From the characterization of SiC, we can observe self-focusing phenomenon for nonlinear refraction. In the end, we unravel the potential of SiC for ultrafast all-optical switching based on the measured nonlinear optical properties.

相关链接[Scopus记录]
收录类别
SCI ; EI
语种
英语
学校署名
第一 ; 共同第一 ; 通讯
WOS记录号
WOS:000637087200001
EI入藏号
20211410159792
EI主题词
Absorption spectroscopy ; Femtosecond lasers ; Optical switches ; Photons ; Refractive index ; Silicon carbide ; Two photon processes ; Wide band gap semiconductors
EI分类号
Light, Optics and Optical Devices:741 ; Inorganic Compounds:804.2 ; Atomic and Molecular Physics:931.3
Scopus记录号
2-s2.0-85103319236
来源库
Scopus
引用统计
被引频次[WOS]:15
成果类型期刊论文
条目标识符http://sustech.caswiz.com/handle/2SGJ60CL/222762
专题工学院_机械与能源工程系
作者单位
1.Department of Mechanical and Energy Engineering,Southern University of Science and Technology,Shenzhen,518055,China
2.State Key Laboratory of Precision Measurement Technology & Instruments,Department of Precision Instrument,Tsinghua University,Beijing,100084,China
3.Shenzhen JL Computational Science and Applied Research Institute,Shenzhen,518110,China
第一作者单位机械与能源工程系
通讯作者单位机械与能源工程系
第一作者的第一单位机械与能源工程系
推荐引用方式
GB/T 7714
Guo,Xiao,Peng,Zeyu,Ding,Pengbo,et al. Nonlinear optical properties of 6H-SiC and 4H-SiC in an extensive spectral range[J]. Optical Materials Express,2021,11(4):1080-1092.
APA
Guo,Xiao.,Peng,Zeyu.,Ding,Pengbo.,Li,Long.,Chen,Xinyi.,...&Guo,Liang.(2021).Nonlinear optical properties of 6H-SiC and 4H-SiC in an extensive spectral range.Optical Materials Express,11(4),1080-1092.
MLA
Guo,Xiao,et al."Nonlinear optical properties of 6H-SiC and 4H-SiC in an extensive spectral range".Optical Materials Express 11.4(2021):1080-1092.
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