Extended plane-wave expansion method in three-dimensional anisotropic photonic crystals
Extended plane-wave expansion method in three-dimensional anisotropic photonic crystals
In this paper, we extend the conventional plane wave expansion method in 3D anisotropic photonic crystal to be able to calculate the complex $\mathbf{k}$ even if permittivity and permeability are complex numbers or the functions of $\omega$. There are some tricks in the derivation process, so we show the process …