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Ansys Learning Forum Forums Discuss Simulation Photonics – Chinese 关于光栅耦合器仿真的问题 Reply To: 关于光栅耦合器仿真的问题

Guilin Sun
Ansys Employee

很自然啊: 光纤在的时候,所用的光源就是光纤模式。没有光纤,Port照样求解了一个模式,因为边界条件是金属,所以你会看到场是均匀的,也可以传播,单结果是错误的,相当于你用平面波来耦合。光纤是该器件的组成部分!