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Ansys Learning Forum › Forums › Discuss Simulation › Photonics › Grating coupler simulation (https://optics.ansys.com/hc/en-us/articles/36004230) › Reply To: Grating coupler simulation (https://optics.ansys.com/hc/en-us/articles/36004230)

July 28, 2022 at 4:07 pm
Guilin Sun
Ansys Employee

Hi, Lumerical has dedicated  English, Chinese and Korean forums:

/forum/forums/forum/discuss-simulation/photonics/

/forum/forums/forum/discuss-simulation/photonics/photonics-chinese/

/forum/forums/forum/discuss-simulation/photonics/photonics-korean/

Next time please post in the proper forum in order to get quick reply.

A1: Since 2D is a simplified method and the actual device is 3D

A2: You can optimize it but from my experience. limited to process techniques, people have fixed depth parameters.

A3: In optimization the algorithm will pick up a set of parameters to be optimized for each generation. So they are optimized all tegother. Please refer https://optics.ansys.com/hc/en-us/articles/360034922953-Optimization-utility