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We experimentally demonstrate a single-carrier 400G solution based on 51.25-GBaud PDM-32QAM signal at 6.15-b/s/Hz SE over 1200-km transmission distance. Training assisted pre-compensations and both transmitter and receiver based look-up table are employed to mitigate channel bandwidth constraint and component nonlinearity impairment.
We have successfully demonstrated generation of 120-GBaud ETDM PDM-16QAM signals and transmission of twelve WDM channels, each with 960 Gb/s signals (800 Gb/s net data rate), over 1200-km link based on 100-km TeraWave™ fiber spans.
We reported the transmission of 8×520 Gbit/s PDM-16QAM-OFDM over SMF and EDFA-only link. It is the first time to realize single band/λ 400G net rate OFDM signal transmission.
A novel scheme to generate coherent 112 optical sub-carriers with subcarrier spacing of 25 GHz is proposed and experimentally demonstrated. By using these coherent optical subcarriers, we have successfully generated 10-Tbit/s (112×100 Gbit/s) single channel optical OFDM polarization multiplexing QPSK signal with the bandwidth of 2.8 THz and the optical signal noise ratio greater than 20 dB (0.1nm...
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