[Kuang, Le-Man; Zhou, Xinxing; Jing, Hui; Yuan, Shuaijie; Liu, Xuquan; Sheng, Lijuan] Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Sch Phys & Elect,Minist Educ, Key Lab Low Dimens Quantum Struct & Quantum Contro, Changsha 410081, Peoples R China.
[Sheng, Lijuan] Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421002, Peoples R China.
[Zhang, Zhiyou; Sheng, Lijuan] Sichuan Univ, Coll Phys, Chengdu 610064, Peoples R China.
[Chen, Yu] Shenzhen Univ, Inst Microscale Optoelect, Engn Technol Res Ctr 2D Mat Informat Funct Devices, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Shenzhen 518060, Peoples R China.
[Kuang, Le-Man; Jing, Hui] Zhengzhou Univ Light Ind, Acad Quantum Sci & Technol, Zhengzhou 450002, Peoples R China.