We have an exciting announcement about badges coming in May 2025. Until then, we will temporarily stop issuing new badges for course completions and certifications. However, all completions will be recorded and fulfilled after May 2025.
Guilin Sun
Ansys Employee

如果这些模式有不同的对称性,可以采用对称性边界条件:

Ansys Insight: 模式光源的对称与非对称性

因为波导结构或者材料变化,模式也跟着变化,结果是按模式折射率实部(当虚部小于实部时)排列的,有时可能出现相同偏振特性的模式多于另外一种偏振,排序就发生改变。