Dispersion-Penalty-Free Transmission of a net 13.9-Gb/s 64QAM-OFDM Signal over 100-km SSMF using a 1.55-μm XFP-RF Transmitter with 2.5-GHz RF Bandwidth

Using a wavelength-tunable transmitter that monolithically integrates DBR laser, semiconductor optical amplifier and Mach-Zehnder modulator, we demonstrate net 13.9-Gb/s 64-QAM-OFDM transmission over 100km SSMF with 28-dB loss budget and no dispersion penalty for Flexible PON.