Single carrier 400G WDM transmission over 2,424-KM EDFA-amplified link using 100GBE-grade analog components and 4-PAM TO 16-QAM conversion


Single carrier 400G signal generation and detection is achieved using 100GbE-grade modulator and photo-detectors with novel 4-PAM to 16-QAM signal emulation. Eight DP-16QAM channels are transmitted using EDFA-only amplification over 2,424-km, achieving 5.33-b/s/Hz spectral efficiency. 


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