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Mode Source injection for DGTD ?

- January 25, 2024 at 9:14 am
  
  amitrotem2
  Subscriber
  
  Hello,
  I want to simulate propagating modes traveling in some curved waveguide structure;
  FDTD has "mode source" for that, is there somthing similar for DGTD?
  All I could find is plane waves and Gaussian.
  
  How can I inject a 2D mode profile into DGTD ?
- January 25, 2024 at 7:33 pm
  
  Amrita Pati
  Ansys Employee
  
  Hi Amit,
  That is correct. The DGTD is a relatively new solver and therefore doesn't have all the features typically required for PIC simulations. I believe they will be included over time but at the moment you will have to use either FDTD/MODE to inject/simulate a guided mode.
  
  Regards,
  Amrita
- January 27, 2024 at 12:44 pm
  
  amitrotem2
  Subscriber
  
  Is there a workaround or hack i can implement to control the injected field?
- January 29, 2024 at 9:36 pm
  
  Amrita Pati
  Ansys Employee
  
  Hi Amit,
  I don't there is. But let me double check internally and get back to you on this.
  Regards,
  Amrita

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