[1] Nanjing Univ Posts & Telecommun, Coll Elect & Opt Engn, Nanjing 210023, Peoples R China
[2] Nanjing Univ Posts & Telecommun, Coll Microelect, Nanjing 210023, Peoples R China
[3] Jiangxi Univ Sci & Technol, Sch Mat Sci & Engn, Ganzhou 341000, Peoples R China
[4] Shandong Normal Univ, Shandong Prov Engn & Tech Ctr Light Manipulat, Sch Phys & Elect, Jinan 250014, Peoples R China
[5] Shandong Normal Univ, Shandong Prov Key Lab Opt & Photon Device, Sch Phys & Elect, Jinan 250014, Peoples R China
[6] Hunan Univ Med, Med Sch, Inst Med Phys, Huaihua 418000, Hunan, Peoples R China
[7] Jiangsu Prov Engn Res Ctr Fabricat & Applicat Spe, Nanjing 210023, Peoples R China