Convergence test is only more suitable for sub-wavelength grating device, not suitable for general other device like mmi ?

SiEPIC / SiEPIC_EBeam_PDK

SiEPIC EBeam PDK & Library, for SiEPIC-Tools and KLayout

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Convergence test is only more suitable for sub-wavelength grating device, not suitable for general other device like mmi ? #241

Open Zwlzzm opened 3 years ago

Zwlzzm commented 3 years ago

Hello, I am sorry, but I have a question "Convergence test is only more suitable for sub-wavelength grating device, not suitable for general other device like mmi ? I find it can not update FDTD z span even I make Initial_FDTD_Z_span is small, about 3 um.