Electronically subcarrier multiplexed PM-32QAM with optimized FEC overheads

We experimentally investigate PM-32QAM with up to 16 subcarriers per wavelength and demonstrate that at a net bitrate of 350 Gbit/s, the distance can be increased by 300 km in WDM transmission using variable rate FEC.

[1]  Peter J. Winzer,et al.  High Symbol Rate Coherent Optical Transmission Systems: 80 and 107 Gbaud , 2014, Journal of Lightwave Technology.

[2]  Patrick Schulte,et al.  Study of electrical subband multiplexing at 54 GHz modulation bandwidth for 16QAM and probabilistically shaped 64QAM , 2016 .

[3]  David V. Plant,et al.  Subcarrier multiplexing using DACs for fiber nonlinearity mitigation in coherent optical communication systems , 2014, OFC 2014.

[4]  Arthur James Lowery,et al.  Optimizing the subcarrier granularity of coherent optical communications systems. , 2011, Optics express.

[5]  Amirhossein Ghazisaeidi,et al.  Transoceanic Transmission Systems Using Adaptive Multirate FECs , 2015, Journal of Lightwave Technology.

[6]  J. Renaudier,et al.  Experimental analysis of non linear tolerance dependency of multicarrier modulations versus number of WDM channels , 2016, 2016 Optical Fiber Communications Conference and Exhibition (OFC).

[7]  Chen Zhu,et al.  Nonlinear tolerance of closely spaced WDM channels , 2014, 2014 OptoElectronics and Communication Conference and Australian Conference on Optical Fibre Technology.

[8]  G. Bosco,et al.  Analytical results on system maximum reach increase through symbol rate optimization , 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

[9]  Gabriel Charlet,et al.  1-Terabit/s net data-rate transceiver based on single-carrier Nyquist-shaped 124 GBaud PDM-32QAM , 2015, 2015 Optical Fiber Communications Conference and Exhibition (OFC).

[10]  Polina Bayvel,et al.  Replacing the Soft-Decision FEC Limit Paradigm in the Design of Optical Communication Systems , 2015, Journal of Lightwave Technology.