High power tunable light source for coherent communication with distributed reflector laser array combined by AWG coupler. - Yusuke Inaba; Maiko Ariga; Kazuaki Kiyota; Toshihito Suzuki; Kazuki Yamaoka; Shunsuke Okuyama; Masayoshi Nishita; Hajime Mori; Tatsuro Kurobe (OFC, 2017)