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Photonics – Chinese

Photonics – Chinese

Topics related to Lumerical and more, in Chinese language.

弯曲波导损耗计算

    • wenliang zhang
      Subscriber

      老师您好,我希望复现论文里经常出现到的弯曲波导损耗与弯曲半径的曲线图,但是我用FDTD仿真设置监视器观察透过率的方式非常耗时间,我希望用FDE解决这一问题,我是否按照官网那样计算overlap还是应该根据有效折射率虚部计算得到

    • Guilin Sun
      Ansys Employee

      用FDE只需要扫描弯曲半径然后提却有效折射率或者Loss就可以。在Sweep那里设置扫描,不过需要

       先选择弯曲,计算一次模式,才能在Result里面选某个模式的Loss:

    • Eva
      Subscriber

      老师,您好!

      请问弯曲波导仿真损耗总是0是什么情况啊?

    • Guilin Sun
      Ansys Employee

      你需要使用PML,至少弯曲的那一侧必须使用PML。

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