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外延生长法制备的Si基1.3微米量子点激光器
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摘要
<正>近年来通过制备硅基Ⅲ-Ⅴ族半导体激光器以实现高性能硅基光源的研究备受人们关注。在Si衬底上外延生长Ⅲ-Ⅴ族激光器材料的方法易于实现Ⅲ-Ⅴ族材料与Si衬底的大面积集成,因而成为一条很有希望的技术途径。由于Ⅲ-Ⅴ族材料与Si衬底的大晶格失配、界面极性差异和热膨胀系数差异,外延层中的失配位错、反相畴错等缺陷很难完全避免;而量子点材料对位错的敏感度较低,因此
引文
[1]S.Chen,W.Li,J.Wu,Q.Jiang,M.Tang,S.Shutts,et al.,"Electrically pumped continuous-wave III–Vquantum dot lasers on silicon,"Nature Photonics,vol.10,pp.307-311,2016.
    [2]H.Liu,Q.Wang,J.Chen,K.Liu,and X.Ren,"MOCVD growth and characterization of multi-stacked In As/Ga As quantum dots on misoriented Si(100)emitting near 1.3μm,"Journal of Crystal Growth,vol.455,pp.168-171,2016.
    [3]S.M.Chen,M.C.Tang,J.Wu,and Q.Jiang,"1.3μm In As/Ga As quantum-dot laser monolithically grown on Si substrates operating over 100°,"Electronics Letters,vol.50,pp.1467-1468,2014.
    [4]A.Seeds,A.Lee,H.Liu,M.Tang,and Q.Jiang,"Continuous-wave In As/Ga As quantum-dot laser diodes monolithically grown on Si substrate with low threshold current densities,"Optics Express,vol.20,pp.22181-7,2012.

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