[1] Univ Sci & Technol China, Shanghai Branch, Natl Lab Phys Sci Microscale, Shanghai, Peoples R China
[2] Univ Sci & Technol China, Shanghai Branch, Dept Modern Phys, Shanghai, Peoples R China
[3] Univ Sci & Technol China, CAS Ctr Excellence Quantum Informat & Quantum Phy, Hefei, Anhui, Peoples R China
[4] Natl Ctr Nanosci & Technol, Nanophoton Res Div, CAS Ctr Excellence Nanosci, Beijing, Peoples R China
[5] Sun Yat Sen Univ, Sch Elect & Informat Technol, State Key Lab Optoelect Mat & Technol, Guangzhou, Guangdong, Peoples R China
[6] Univ Wurzburg, Tech Phys, Inst Phys, Wurzburg, Germany
[7] Univ Wurzburg, Wilhelm Conrad Rontgen Ctr Complex Mat Syst, Wurzburg, Germany
[8] Tech Univ Denmark, DTU Foton, Dept Photon Engn, Lyngby, Denmark
[9] Univ St Andrews, Sch Phys & Astron, SUPA, St Andrews, Fife, Scotland