Ultra-broadband and high-efficiency polarization conversion metasurface with multiple plasmon resonance modes

Dong Guo-Xiang^{1, 2}, Shi Hong-Yu², Xia Song^{1, 2, †,}, Li Wei^{1, 2}, Zhang An-Xue¹, Xu Zhuo^{1, 2}, Wei Xiao-Yong^{1, 2}

(a) Proposed structure of the metasurface. (b) Intuitive image of y-polarized incident wave rotated to x-polarized reflection wave.