Uncooled Operation of 53-Gbaud PAM4 EA-DFB Lasers in the Wavelength Range of 1510-1570 nm for 800-GbE Applications. - Yoshihiro Nakai; Shigenori Hayakawa; Syunya Yamauchi; Yoriyoshi Yamaguchi; Tetsuyoshi Takamure; Hideaki Asakura; Ryosuke Nakajima; Shigetaka Hamada; Kazuhiko Naoe (OFC, 2020)

106-Gb/s PAM4 Operation of Directly Modulated DFB Lasers from 25 to 70°C for Transmission over 2-km SMF in the CWDM range. - Takayuki Nakajima; Masaru Onga; Yuji Sekino; Akira Nakanishi; Noriko Sasada; Shigenori Hayakawa; Shigetaka Hamada; Kazuhiko Naoe (OFC, 2021)

Over 100 mW Uncooled Operation of SOA-integrated 1.3-µm Highly Reliable CW-DFB Laser. - Shoko Yokokawa; Atsushi Nakamura; Shigetaka Hamada; Ryosuke Nakajima; Kaoru Okamoto; Masatoshi Arasawa; Kouji Nakahara; Shigehisa Tanaka (OFC, 2022)