400 Gb/s CWDM-4 PAM-4 Uncooled (22 degrees C to 70 degrees C) Directly Modulation Transmission over 20 km

Son Thai Le,Yasuhiro Matsui,Ashish Verma,Martin Kwakernaak,Tsurugi Sudo

2021 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION (ECOC)（2021）

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摘要

We demonstrate the first 400 Gb/s CWDM-4 PAM-4 transmission over a record distance of 20 km using commercial uncooled (22 degrees C to 70 degrees C) directly modulated lasers with tailored chirp characteristics for reach extension.

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