Nonlinear Photonic Band Gap Simulation
I am creating a nonlinear 3rd order photonic crystal out of silicon, with n2 value of 3*10^-18 through which I calculated the susceptibility using the equation n(2)=3Chi(3)/(4n^2). The dielectric constant I used was 15.813. The crystal has air holes with n=1. However, when I ran the PWE band solver simulation, there were no band gaps found, even though the contrast between the two refractive indices is great. Can you assist me with what might possibly yield band gaps?
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