Abstract

As the potential applications of terahertz science and technology become extremely important, there is an increasing demand for improved terahertz optical components. One of such devices on demand is the class of polarization control devices. Recently, metasurfaces have emerged as designer structures with excellent control, design flexibility, and multifaceted functionalities. Metamaterials offer fascinating prospects for manipulating the polarization state of terahertz waves. Here, we discuss different metamaterial device designs that exhibit properties of perfect linear polarization rotation and linear to either linear or circular polarization conversion at narrowband as well as broadband terahertz frequencies.

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