Dr. Qilin Dai earned his B.S. degree in physics at Harbin Normal University in 2004. He got his Ph.D degree in Condensed Matter Physics at Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences in 2009 (Adviser: Dr. Hongwei Song), then served as postdoctoral research associate at Florida State University and University of Wyoming. He received 2009 “Da-Heng” Optics Scholarship, Chinese Academy of Sciences.