Abstract
We demonstrate single-step digital backpropagation (DBP) scheme for subcarrier-multiplexing transmission. With 6.1% complexity of low pass filter aided DBP, our scheme achieves 0.7-dB and 0.6-dB Q2 improvement for 1200-km PDM-32QAM and 800-km PDM-64QAM transmission, respectively.
© 2017 Optical Society of America
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