Abstract
We propose and experimentally investigate digital nonlinear compensation and inter channel cross talk suppression for 4×160.8Gb/s DWDM PDM-QPSK transmission with simplified heterodyne coherent detection. The BER has been improved from 5.7×10−3 to 3.5×10−4 after 1300km SMF-28.
© 2013 Optical Society of America
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