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对于多模波导模间串扰的问题

- July 7, 2025 at 3:35 am
  
  Eva021
  Subscriber
  
  您好：
  对于多模波导，在弯曲时可能会激发高阶模，并且使波导中的多个模式发生串扰。对于弯曲波导较大的情况如何对模间串扰进行仿真呢？在FDTD中进行三维仿真，当弯曲波导超过50um时需要的时间很长、仿真运行内存也很大。是否有其他方式能进行模间串扰的仿真呢？
  期望通过仿真复现上面图片的结果。
- November 16, 2025 at 1:01 pm
  
  2073724594
  Subscriber
  
  你好，我想问下这种折线图是如何仿真出来的呢，具体纵坐标是FDTD中什么参数？

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