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Ripple Lumerical EME simulations


    • Tom Reep

      When performing taper simulations in Lumerical, I very often will see ripples on the transmission when doing length sweeps. It seems it is independent on the number of cells I choose...

      What is the cause of these ripples, is it a physical effect actually occurring in the device? Or is it a numerical issue in EME?

    • Lito Yap
      Ansys Employee

      @Tom Reep, 

      Please post your questions/request in the Photonics Section – which is maintained and supported by our Ansys Lumerical Application Engineers. 

      See this post in the Photonics sectionWhat is reason of the ripple in the transmission spectrum of the edge coupler ( – this could be the same as what your experiencing. 


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