Han Jun-Jie, Qian Si-Xian, Zhu Chuan-Ming, Huang Zhi-Xiang, Ren Xin-Gang, Cheng Guang-Shang. Dual-mode orbital angular momentum generated based on dual-polarization coding metasurfaceJ. Acta Physica Sinica, 2023, 72(14): 148101. DOI: 10.7498/aps.72.20230457