Title :
DAC-free generation and 320-km transmission of 11.2-GBd PDM-64QAM using a single I/Q modulator
Author :
Wei-Ren Peng ; Takahashi, Hiroki ; Tsuritani, Takehiro ; Morita, Itsuro
Author_Institution :
KDDI R&D Labs., Inc., Fujimino, Japan
Abstract :
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.
Keywords :
digital-analogue conversion; light polarisation; light transmission; modulators; multiplexing; optical modulation; quadrature amplitude modulation; signal synthesis; DAC-free generation; FEC threshold; PDM-64QAM; SSMF transmission; binary electrical input; digital-to-analog converter; distance 320 km; eight-level signal synthesis; optical transmission; polarization-division-multiplexing; single I-Q modulator; Bit error rate; Forward error correction; Modulation; Optical fibers; Optical filters; Optical transmitters;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam
