[1] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Hong Kong, Hong Kong, Peoples R China
[2] Hong Kong Baptist Univ, Dept Phys, Hong Kong, Hong Kong, Peoples R China
[3] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China
[4] Univ Sci & Technol China, CAS Key Lab Mat Energy Convers, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei Natl Lab Phys Sci Microscale, Hefei 230000, Anhui, Peoples R China
[5] Univ Sci & Technol China, Dept Mat Sci & Engn, Hefei 230000, Anhui, Peoples R China