Active Broadband Manipulation of Terahertz Photonic Spin Based on Gyrotropic Pancharatnam-Berry Metasurface

Controlling terahertz (THz) waves, especially the polarization state and deflection angle, is important in THz application systems. But most of conventional THz metasurfaces have limitations in efficiency and working bandwidth. Although Pancharatnam-Berry (P-B) metasurfaces shows excellent manipulat...

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