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May 29, 2024 at 11:58 am
naiyu zhang
Subscriber工程师您好:
我有以下几个问题想向您请教,感谢您利用宝贵时间为我解答!
1.在varFDTD中建立半导体激光器模型时,外延结构建模方向分别采用了沿y方向及z方向,计算透射率计算高阶表面光栅的反射率与透射率,将frequency-domain field and power监视器置于光源后方计算反射率,将此监视器置于结构末端计算透射率。设置方法如下图所示,
目前存在以下几个问题:
1.相同结构的反射率数值差别很大,请问哪个方向建模正确?
2.光源均设置为基模,在上述监视器中查看E分布时,两种建模方式中反射率的E分布有所不同,如图所示,请问为什么会出现这种情况,哪个方向的正确?
3.考虑到高阶表面光栅损耗较大,边界条件pml层数是否越大越好?
再次感谢您的解答!期待您的回复。
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July 10, 2024 at 1:31 am
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