Photonics

Photonics

Quality-factor optimization

    • yiyu
      Subscriber

      Hi, I would like to use "lumopt" from the Photonic Inverse Design of Lumerical to optimize the quality factor of an optical cavity.

      I know "lumopt" can be used to optimize light field transmission of a structure at a certain channel, as your "Y_branch" exemplifies. In that script for optimization, "fom = ModeMatch" is used as the figure of merit, as shown below

      However, as for the quality factor optimization, do you know which code/command should be used instead?

      Thanks and regards

    • Guilin Sun
      Ansys Employee

      This will need you to modify and develop a new code for Q optimization, as the  lumopt is mainly for waveguide propagation design. You can refer the Github https://github.com/SiEPIC/SiEPIC-Tools/blob/master/PythonLumericalTools/lumerical/load_lumapi.py  https://readthedocs.org/projects/lumopt/downloads/pdf/latest/  https://lumopt.readthedocs.io/en/latest/basic_theory.html

       

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