Analysis of interior degradation of a laser waveguide using an OBIC monitor. - Tatsuya Takeshita; Ryuzo Iga; Mitsuo Yamamoto; Mitsuru Sugo (Microelectron. Reliab., 2007)

High-accuracy, sub-μs wavelength switching with thermal drift suppression in tunable distributed amplification (TDA-) DFB laser array. - Takuya Kanai; Nobuhiro Nunoya; Takayuki Yamanaka; Ryuzo Iga; Makoto Shimokozono; Hiroyuki Ishii (OFC/NFOEC, 2013)

400-Gb/s operation of flip-chip interconnection EADFB laser array module. - Shigeru Kanazawa; Takeshi Fujisawa; Kiyoto Takahata; Hiroaki Sanjoh; Ryuzo Iga; Yuta Ueda; Wataru Kobayashi; Hiroyuki Ishii (OFC, 2015)

Flip-chip mounted 25.8-Gb/s directly modulated InGaAsP DFB laser with Ru-doped semi-insulating buried heterostructure. - Shigeru Kanazawa; Toshio Ito; Tomonari Sato; Ryuzo Iga; Wataru Kobayashi; Kiyoto Takahata; Hiroaki Sanjoh; Hiroyuki Ishii (IEICE Electron. Express, 2015)