Presentation Information
[WB3-3]All-Digital 16 QAM Nyquist Pulse Transmission over 4,000 km
○Masato Yoshida, Takeki Serikawa, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.)
Keywords:
Digital signal processing,advanced modulation,coding and multiplexing,Multiplexing and demultiplexing techniques including OTDM,OFDM,OCDM and SDM
We present the first demonstration of coherent Nyquist pulse TDM transmission in a fully digital scheme. 40-Gbaud, 16-QAM signals were transmitted over 4,000-km, which is 300-km longer than an NRZ transmission with a Nyquist filter.