The migration towards a 20 Gb/s quaternary TDM-PAM passive optical network with chirped and non-linear optical transmitters is experimentally studied. We show that a loss budget of 27.3 dB is compatible together with a packet power ratio of 10 dB between loud and soft ONU
Dris, S. [et al.]. Quaternary TDM-PAM and its implications for TDMA equipment. A: European Conference and Exhibition on Optical Communication. "ECOC 2012: 38th European Conference and Exhibition on Optical Communication: 17-20 September 2012: Amsterdam, The Netherlands". Amsterdam: 2012.