106-Gb/s PAM4 Operation of Directly Modulated DFB Lasers from 25 to 70ºC for Transmission over 2-km SMF in the CWDM range

• DOI: 10.1364/ofc.2021.tu1d.4
• Publication Date: 2021-10-20T15:57:56Z
• Authors: Takayuki Nakajima; Masaru Onga; Yuji Sekino; Akira Nakanishi; Noriko Sasada; Shigenori Hayakawa; Shigetaka Hamada; Kazuhiko Naoe
• Keywords: 0202 electrical engineering, electronic engineering, information engineering; 02 engineering and technology; 7. Clean energy

Four directly modulated DFB lasers with 1.3-μm CWDM range demonstrated 106-Gb/s PAM4 operation for transmission over 2-km SMF. Dispersion penalties of the lasers were less than 0.8 dB after 2-km transmission up to 70ºC.