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Guilin Sun
Ansys Employee

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Overlap是耦合效率的一种估计,并不是完全正确的,它有几个近似和假设,参见 https://optics.ansys.com/hc/en-us/articles/360034917453-Overlap-analysis-Modal-Analysis-Tab

 

EME仿真结果取决于你的设置和模式个数,甚至Cell个数,如果波导不是均匀的话。

按理EME的结果就是真正的耦合效率,前提是考虑了所有主要的反射和透射模式,耦合过程产生很少的辐射模。需要收敛性测试:

https://optics.ansys.com/hc/en-us/articles/4412892724243-EME-Convergence-Testing-An-Intuitive-Approach

https://optics.ansys.com/hc/en-us/articles/360037172994-Convergence-testing-process-for-EME-simulations

 

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