This paper mentioned a FDTD simulation on the optical propagation in plane and along the z axis, we analysis the MPC structure, filling factor, dielectric constant, and their affects on the optical bandgap. This study put special attention on the polarization phenomena. Through simulation we observed the real time change of light (especially on polarization) in 2D MPC, obtaining the relationship curve between polarization angle and polarization degree to the MPC structure and filling factor. Based on FDTD aglorithm, this change reflects the Faraday effect from micro-level. Finally we suggest a dynamic measurement method based on Fetosecond laser, in order to realize time-divided Faraday effect.
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