[1] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong 999077, Peoples R China
[2] Macau Univ Sci & Technol, Macau Inst Appl Res Med & Hlth, State Key Lab Qual Res Chinese Med, Taipa 999078, Macao, Peoples R China
[3] Sun Yat Sen Univ, Sch Elect & Informat Technol, State Key Lab Optoelect Mat & Technol, Guangdong Prov Key Lab Display Mat & Technol, Guangzhou 510275, Peoples R China