Grating Coupler Simulation

- December 7, 2022 at 4:49 am
  
  vdhurgude3
  Subscriber
  
  Hi I am working on Grating Coupler design. I saw a video on youtube, in that a video, a guy uses a monitor to measure refractive index of two adjacent grating regions. Using these two grating regions, he gets refractive index and calculated avg effective index for grating design. Please help me to get effective index of two adjacent regions in lumerical?
- December 8, 2022 at 2:13 am
  
  Kyle
  Ansys Employee
  
  Hello,
  An index monitor can be used to determine the refractive index in FDTD: https://optics.ansys.com/hc/en-us/articles/360034383134
  You might find these grating coupler examples useful as well:
  
  https://optics.ansys.com/hc/en-us/articles/360042305334
  https://optics.ansys.com/hc/en-us/articles/360042304774
- December 8, 2022 at 3:58 am
  
  vdhurgude3
  Subscriber
  
  Hey Kyle,
  
  Thank you for your reply.

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