Title :
Novel DAC digital pre-emphasis algorithm for next-generation flexible optical transponders
Author :
Napoli, Antonio ; Mezghanni, Mahdi M. ; Rafique, Danish ; Sleiffer, Vincent A. J. M. ; Rahman, Talha ; Spinnler, Bernhard ; Calabro, Stefano ; Bohn, Marc
Author_Institution :
Coriant R&D GmbH, Munich, Germany
Abstract :
We present a novel digital pre-emphasis algorithm based on the mean-square-error. We numerically demonstrate a significant increase of the maximum transmittable symbol rate for 4- up to 64QAM and experimentally, a ~ 0.7dBQ-gain for 40GBaud-16QAM.
Keywords :
digital-analogue conversion; mean square error methods; next generation networks; optical modulation; quadrature amplitude modulation; transponders; 40GBaud-16QAM; 64QAM; DAC digital preemphasis algorithm; digital-to-analog converter; maximum transmittable symbol rate; mean-square-error; next-generation flexible optical transponders; Bandwidth; Noise; Peak to average power ratio; Quadrature amplitude modulation; Quantization (signal); Transfer functions;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
