Optical polarization encoding based on the proposed graphene-loaded plasmonic metasurfaces that can dynamically modulate the polarization state of light with a widely tunable range in mid-infrared wavelengths. The polarization state of the reflected light can be dynamically modulated into right circularly polarized light, left circularly polarized light, or two orthogonally polarized light beams by switching the gate voltage applied on graphene among different values.
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Li et al. (2015) studied this question.
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