[1] Beijing Inst Technol, Sch Opt & Photon, Beijing Key Lab Precis Optoelect Measurement Inst, Beijing, Peoples R China
[2] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen, Peoples R China
[3] Capital Normal Univ, Beijing Adv Innovat Ctr Imaging Technol, Beijing, Peoples R China
[4] Capital Normal Univ, Dept Phys, Key Lab Terahertz Optoelect MoE, Beijing, Peoples R China
[5] Univ Rochester, Inst Opt, Rochester, NY 14627 USA