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

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Zwlzzm opened this issue Jul 8, 2021 · 0 comments
Open

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

Zwlzzm opened this issue Jul 8, 2021 · 0 comments

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@Zwlzzm
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Zwlzzm commented Jul 8, 2021

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.
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