Transmission of a 1.44 Tbit/s data stream using a feedback-stabilized SiN Kerr frequency comb source

Using a high-Q Kerr-nonlinear SiN microresonator as a frequency comb source we generate a 1.44 Tbit/s (20×18 GBd PDM-QPSK) data stream and transmit it over 300 km. The comb is stabilized by a feedback control.