Dual-mode terahertz broadband polarization conversion metasurface with integrated graphene-VO<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e333" altimg="si3.svg"><mml:msub><mml:mrow/><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:math>

Yijia Zhao, Rongcao Yang, Jiayun Wang, Xia Wei, Jinping Tian, Wenmei Zhang