Abstract
In this paper, by using the 4 × 4 transfer matrix approach, the reflection and transmission of circularly polarized (CP) waves which are obliquely incident to the periodic structure comprising of graphene-dielectric layers are investigated. The results indicate that by applying a magnetic field in appropriate direction there exists an omni-directional band gap in the transmission spectrum either left or right CP wave. The given structure can convert the linearly polarized wave to CP wave in reflected and transmitted waves. Furthermore, the dependence of the ellipticity of the reflected and transmitted waves to the applied magnetic field and the chemical potential of the graphene is studied. Such structures can be used as a polarization converter and phase modulator in the terahertz frequency range.
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