Y. Wakayama, V. Mikhailov, D. Elson, Rachata Maneekut, Jiawei Luo, Cen Wang, F. Balasis, N. Yoshikane, D. Inniss, T. Tsuritani
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400GBASE-LR4 Transmission Over Field-Deployed Fibre Link Supported by Bismuth-Doped Fibre Amplifier
We demonstrated a transmission of 4x53 GBd PAM4 signals using a bismuth-doped fibre amplifier for the first time. Transmission reach was successfully expanded by amplifying 4 CWDM signals from 1271 to 1331 nm.