"Zeuku Ho,Junichiro Hayakawa,Keisuke Shimura,Keisuke Kondo,Xiaodong Gu,Akihiro Matsutani,Akemi  Murakami,Fumio Koyama","High Power and High Beam Quality VCSEL Amplifier","2018 International Semiconductor Laser Conference",,,"  WC3",,"pp. 229-230",2018,Sept.