[Ling, Xiaohui;Yi, Xunong;Luo, Hailu;Wen, Shuangchun] Shenzhen Univ, SZU NUS Collaborat Innovat Ctr Optoelect Sci & Te, Shenzhen 518060, Peoples R China.^[Ling, Xiaohui;Yi, Xunong;Luo, Hailu;Wen, Shuangchun] Shenzhen Univ, Minist Educ & Guangdong, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China.^[Ling, Xiaohui] Hengyang Normal Univ, Dept Phys & Elect Informat Sci, Hengyang 421002, Peoples R China.^[Liu, Yaochao;Luo, Hailu;Wen, Shuangchun] Hunan Univ, Coll Phys & Microelect Sci, Lab Spin Photon, Changsha 410082, Hunan, Peoples R China.