High Q one dimensional photonic crystal cavity

skvarshneyskvarshney Member Posts: 6


I was trying to replicate a paper of one dimensional PhC in 3D FDTD

I have simulated the structure as given in the paper figure 3, with PML boundary conditions in all three directions as shown.

the transmission spectra that I got does not match figure 4, I am getting other peak except the peak having high Q factor. the Q factor that I am getting is 816, which is much below 10^7 as given in the paper. the transmission spectrum for my simulation is as shown

Please , tell what I am missing in my simulation.

Any help would be much appreciated.

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