Unfortunately, there is not much you can do besides increase the L parameter
and the number of iterations.
Increasing the diameter of a simulation relative to the wavelength increases
the condition number, which worsens the convergence of iterative solvers. The
general way to improve this is t
Hello to the meep community,
I was hoping to use the frequency domain solver for my own application,
but I've encountered a stumbling block.
I've played around with the ring resonator tutorial example, and it
seems that when I increase the domain size (let's say a radius of 10
micrometers) or
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