Abstract

In this paper, a $4\times 4$ transfer matrix method has been used to investigate the optical and magneto-optical properties of 1D conjugated photonic crystal (CPC) heterojunctions containing plasma layers. A linearly polarized TM wave is obliquely incident onto stack. A large Faraday rotation as well as high transmission can be achieved simultaneously in our proposed structure. The influences of the external magnetic field, number of unit cells, incidence angle, and plasma frequency on the transmission and Faraday rotation angle have been analyzed. Results indicate that the proposed structure has strong enhancement of Faraday rotation angle with relatively high transmission. This prospective advantage of the structure is useful for tunable filters in the millimeter-wave region.

© 2015 Optical Society of America

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