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Effect of Thickness Deviation on the Reflection Spectra and Phase Shift of VCSELs
Author(s): 
Pages: 31-33
Year: Issue:  4
Journal: OPTICS & OPTOELECTRONIC TECHNOLOGY

Keyword:  厚度偏差垂直腔面发射激光器晶片键合反射谱反射相移;
Abstract: 采用光学传输矩阵方法分析了厚度偏差对VCSEL的反射谱和反射相移产生的影响.结果表明,反射镜和VCSEL中各层厚度的偏大,将使反射镜的中心波长以及VCSEL的模式波长向长波方向移动,而反射镜和VCSEL中各层厚度的偏小,将使反射镜的中心波长以及VCSEL的模式波长向短波方向移动.将键合界面离有源区稍微远一些,有利于减小其厚度偏差对VCSEL的模式波长的影响.
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