Slow and Fast Axis calculation based on bending radius

- September 19, 2023 at 4:56 pm
  
  Nathan Lin
  Subscriber
  
  I have a waveguide with a refractive index of 1.45, and the slow axis is in the x-axis and the fast axis is in the y-axis. When we apply the bending radius using FDE, the slow and fast axis shifts a few degrees accordingly as shown in the refractive index shift graph below, is there a way to set the principle (slow-axis) in the simulation?
- September 22, 2023 at 2:03 am
  
  Devika Padmakumar Nair
  Ansys Employee
  
  Hello,
  You can run the frequency sweep by selecting TE polarization.
  If thats not answed the question, can you elaboate a little more.
  Thanks
  Devika

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