Property improvement of flat-top 50GHz-88ch arrayed waveguide grating using phase correction waveguides. - Kazutaka Nara; Noritaka Matsubara (IEICE Electron. Express, 2010)

Compact Tunable DBR/Ring Laser Module Integrated with Extremely-high-Δ PLC Wavelength Locker. - Masayoshi Nishita; Yasutaka Higa; Noritaka Matsubara; Junichi Hasegawa; Kazuki Yamaoka; Maiko Ariga; Yusuke Inaba; Masayoshi Kimura; Masaki Wakaba; Masahiro Yoshida; Kazuomi Maruyama; Shunsuke Okuyama; et al. (OFC, 2020)

5.5%-Δ-PLC/Silicon Photonics Hybrid Wavelength MUX/DEMUX-and-Switch Device. - Kazuhiro Ikeda; Noritaka Matsubara; Junichi Hasegawa; Ryotaro Konoike; Hiroyuki Matsuura; Keijiro Suzuki; Hitoshi Kawashima (OFC, 2021)

Transmitter-Receiver Optical Sub Assembly using Ultra-Compact Tunable DBR/Ring Laser. - Kazuya Nagashima; Yozo Ishikawa; Atsushi Izawa; Masayoshi Nishita; Noritaka Matsubara; Hiroyuki Ishii; Thanakit Saeyang; Yoshihiro Ogiso; Yuta Ueda; Masaki Kohtoku (OFC, 2021)