Uncooled Operation of 53-Gbaud PAM4 (106-Gb/s) EA/DFB Lasers with Extremely Low Drive Voltage with 0.9 Vpp. - Yoshihiro Nakai; Akira Nakanishi; Yoriyoshi Yamaguchi; Syunya Yamauchi; Atsushi Nakamura; Hideaki Asakura; Hayato Takita; Shigenori Hayakawa; Masatoshi Mitaki; Yasushi Sakuma; Kazuhiro Naoe (ECOC, 2018)

Wide-Temperature-Range (25°C to 80°C) 53-Gbaud PAM4 (106-Gb/s) Operation of 1.3-µm Directly Modulated DFB Lasers for 10-km Transmission. - Noriko Sasada; Takayuki Nakajima; Yuji Sekino; Akira Nakanishi; M. Mukaikubo; M. Ebisu; Masatoshi Mitaki; Shigenori Hayakawa; Kazuhiko Naoe (ECOC, 2018)

Analysis of TDECQ Dependence on Skew and Extinction Ratio with 106-Gb/s PAM-4 Modulation of Directly Modulated Submicron Ridge Localized Buried Heterostructure Lasers. - Kazuki Suga; Kouji Nakahara; Kaoru Okamoto; Shigenori Hayakawa; Masatoshi Arasawa; Tetsuya Nishida; Ryu Washino; Takeshi Kitatani; Masatoshi Mitaki; Hironori Sakamoto; Yasushi Sakuma; Shigehisa Tanaka (OFC, 2020)

112-Gb/s PAM-4 Uncooled Directly Modulated BH Lasers. - Kouji Nakahara; Kazuki Suga; Kaoru Okamoto; Shigenori Hayakawa; Masatoshi Arasawa; Tetsuya Nishida; Ryu Washino; Takeshi Kitatani; Masatoshi Mitaki; Hironori Sakamoto; Yasushi Sakuma; Shigehisa Tanaka (ECOC, 2021)

224-Gb/s PAM4 Uncooled Operation of Lumped-electrode EA-DFB Lasers with 2-km Transmission for 800GbE Application. - Syunya Yamauchi; Koichiro Adachi; Hideaki Asakura; Hayato Takita; Yoshihiro Nakai; Yoriyoshi Yamaguchi; Masatoshi Mitaki; Ryosuke Nakajima; Shigehisa Tanaka; Kazuhiko Naoe (OFC, 2021)

225-Gb/s PAM4 Operation Using Lumped-Electrode-Type EA-DFB Laser for 5- and 10-km Transmission with Low TDECQ. - Kazuki Nishimura; Hideaki Asakura; Syunya Yamauchi; Takanori Suzuki; Yoshihiro Nakai; Yoriyoshi Yamaguchi; Takeo Kageyama; Masatoshi Mitaki; Yuma Endo; Kazuhiko Naoe (OFC, 2023)