June 17, 2022 at 4:43 pmdubeySubscriber(1) 2D simulation already optimize the fibre position x then why we need to do it again in the 3d simulation.
(2) Simulation does not optimize the pitch depth, why?
(3) How does the simulation optimize say grating pitch and duty cycle along with the fibre position x? Does it optimize it simultaneously or does it optimize one and then moving onto another, so on…?
July 28, 2022 at 4:07 pmGuilin SunAnsys Employee
Hi, Lumerical has dedicated English, Chinese and Korean forums:
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
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