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Photonics – Chinese

Photonics – Chinese

Topics related to Lumerical and more, in Chinese language.

关于MMI仿真长度受限的问题

    • Zhu Baojie zhu
      Subscriber

      在用mode进行MMI的仿真时,当我设置中间MMI波导部分长度为200um时,仿真后得到的结果只仿真到了大约140um,这是软件设置问题还是结构问题呢?

    • Guilin Sun
      Ansys Employee

      应该是设置问题。如果这是直波导+腔+直波导,请检查腔的模式个数是否合适。如果是Taper请先仿真Taper确保其输出满足要求。下次提问类似的问题,请提供一些设置和器件的屏幕拷贝,否则我没办法猜测出问题所在进而无法提供有效的解决方案,影响你的工作进度。

      你可以用对数做面内场分布图看看是不是场发散太严重。

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