DAC-free generation and 320-km transmission of 11.2-GBd PDM-64QAM using a single I/Q modulator
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We successfully generate 11.2-GBd PDM-64QAM using one I/Q modulator driven with eight-level signals synthesized by all binary electrical inputs. The signal quality is verified with ~1-dB Q margin (from 7% FEC threshold) after 320-km SSMF transmission.
[1] R Schmogrow,et al. Real-Time Software-Defined Multiformat Transmitter Generating 64QAM at 28 GBd , 2010, IEEE Photonics Technology Letters.
[2] Abdolreza Nabavi,et al. Design and analysis of a reduced phase error digital carrier recovery architecture for high-order quadrature amplitude modulation signals , 2010, IET Commun..