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Conferences > OFC > 2021 > Tu1D > Tu1D.4

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

Takayuki Nakajima, Masaru Onga, Yuji Sekino, Akira Nakanishi, Noriko Sasada, Shigenori Hayakawa, Shigetaka Hamada, and Kazuhiko Naoe

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Abstract

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.

© 2021 The Author(s)

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