Abstract
We demonstrate transmission of 1.63-Tb/s PDM-16QAM unique-word DFT-spread OFDM signal over 1,010-km SSMF with 80-km span length and EDFA-only amplification. We find a 20 % reach improvement of DFT-spread OFDM over conventional OFDM.
© 2012 Optical Society of America
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