Training-Aided PDM 64-QAM transmission with enhanced fiber nonlinearity tolerance
C Zhu, LB Du, AV Tran, AJ Lowery, E Skafidas
Optical Fiber Communication Conference, OFC 2014 | Published : 2014
We show that fiber nonlinearity compensation of just the training sequence improves the nonlinearity-limited performance of training-aided m-QAM systems. Experimental results demonstrate transmission performance improvement by 0.4 dB for a 120-Gb/s 64-QAM 800-km system. © OSA 2014.