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September 23, 2022 at 2:06 pm
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September 23, 2022 at 2:13 pmwuhao zhang‘’Subscriber
补充一下,group cell是5部分,1和5时输入输出端口的直波导部分,2和4是输入输出的波导的锥形区域,3是多模区域
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September 23, 2022 at 4:18 pmGuilin SunAnsys Employee
首先,5部分可以简化为3部分,因为Taper端部的那个Cell就是直波导。当然你也可以在两个直波导Group里用一个CELL也可以,计算量增加很小。
我怀疑是不是基模与高阶模的有效折射率差比较大啊,另外就是适当增加腔体的宽度,因为基模衍射比高阶模严重。我没有查看文献,你设计时根据什么确定的宽度呢?
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