[1] Chinese Acad Sci, Suzhou Inst Biomed Engn & Technol, Jiangsu Key Lab Med Opt, Suzhou 215163, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[4] Nanjing Univ Sci & Technol, Sch Elect Engn & Photoelect Technol, Nanjing 210094, Jiangsu, Peoples R China