Compact 8 lane integrated ROSA with low optical loss 1: 8 optical de-multiplexer for 400GbE application. - Masanobu Kawamura; Fumihiro Nakajima; Hiroyasu Oomori; Hiroshi Hara (OFC, 2017)

Very Low Crosstalk Compact Integrated ROSA for 400G-FR4. - Kenichi Nakayama; Kazuaki Mii; Masanobu Kawamura; Hiroyasu Oomori; Hiroshi Hara (ECOC, 2018)