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Four wave mixing nonlinear straight waveguide

- May 25, 2021 at 3:49 pm
  
  lariv
  Subscriber
  
  I am trying to convert the four wave mixing example https://support.lumerical.com/hc/en-us/articles/360041718794
  into a straight waveguide to observe third harmonic generation and four wave mixing effects. However the simulation is not working when I analyze the transmission. The linear analysis seems fine. The nonlinear part of adjusting the source is the problem.
- May 25, 2021 at 6:00 pm
  
  Guilin Sun
  Ansys Employee
  
  I am not sure what exactly is wrong. I guess it is the enter wavelength? you can first set the wavelength in frequency domain, then set the parameters in time domain. Actually a simple way to do this is to directly copy the two sources from MODE to FDTD, by simply selecting them, then use Ctrl-C in MODE and in FDTD use Ctrl-V. Please try.

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