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Near-Infrared Femtosecond Laser for Studying the Strain in Si1-xGex Alloy Films via Second-Harmonic Generation
Zhao JH (Zhao Ji-Hong); Cheng BW (Cheng Bu-Wen); Chen QD (Chen Qi-Dai); Su W (Su Wen); Jiang Y (Jiang Ying); Chen ZG (Chen Zhan-Guo); Jia G (Jia Gang); Sun HB (Sun Hong-Bo); Sun, HB, Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130023, Peoples R China. 电子邮箱地址: chenqd@jlu.edu.cn; hbsun@jlu.edu.cn
2010
Source PublicationIEEE PHOTONICS JOURNAL
Volume2Issue:6Pages:974-980
AbstractThe second-harmonic generation (SHG) from Si1-xGex alloy films has been investigated by near-infrared femtosecond laser. Recognized by s-out polarized SHG intensity versus rotational angle of sample, the crystal symmetry of the fully strained Si0.83Ge0.17 alloy is found changed from the O-h to the C-2 point group due to the inhomogeneity of the strain. Calibrated by double crystal X-ray diffraction, the strain-induced chi((2)) is estimated at 5.7 x 10(-7) esu. According to the analysis on p-in/s-out SHG, the strain-relaxed Si0.10Ge0.90 alloy film is confirmed to be not fully relaxed, and the remaining strain is quantitatively determined to be around 0.1%.
metadata_24国内
KeywordCubic Centrosymmetric Crystals 3rd-harmonic Generation Phenomenological Theory Layers Superlattices Heterostructures Susceptibility Spectroscopy Deformation Reflection
Subject Area光电子学
Indexed BySCI
Language英语
Date Available2010-12-12
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/20668
Collection集成光电子学国家重点实验室
Corresponding AuthorSun, HB, Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130023, Peoples R China. 电子邮箱地址: chenqd@jlu.edu.cn; hbsun@jlu.edu.cn
Recommended Citation
GB/T 7714
Zhao JH ,Cheng BW ,Chen QD ,et al. Near-Infrared Femtosecond Laser for Studying the Strain in Si1-xGex Alloy Films via Second-Harmonic Generation[J]. IEEE PHOTONICS JOURNAL,2010,2(6):974-980.
APA Zhao JH .,Cheng BW .,Chen QD .,Su W .,Jiang Y .,...&hbsun@jlu.edu.cn.(2010).Near-Infrared Femtosecond Laser for Studying the Strain in Si1-xGex Alloy Films via Second-Harmonic Generation.IEEE PHOTONICS JOURNAL,2(6),974-980.
MLA Zhao JH ,et al."Near-Infrared Femtosecond Laser for Studying the Strain in Si1-xGex Alloy Films via Second-Harmonic Generation".IEEE PHOTONICS JOURNAL 2.6(2010):974-980.
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