10-km Transmission of 106-Gb/s PAM4 with Directly Modulated DFB Lasers in the CWDM Range

• DOI: 10.23919/ofc49934.2023.10116153
• Publication Date: 2023-05-19T17:26:19Z
• Authors: Shuhei Ohno; Masaru Onga; Takayuki Nakajima; Akira Nakanishi; Noriko Sasada; Shinichi Tanaka; Ryosuke Nakajima; Kazuhiko Naoe

The 106-Gb/s PAM4 operation of four DMLs in the 1.3-μm CWDM range demonstrated < 2.0 dB TDECQ after 5-km transmission. Clear eye openings and BER below KP4-FEC limit (2.2 × 10−4) were achieved even after 10-km transmission.