Fiber Nonlinearity Compensation of an 8-channel WDM PDM-QPSK Signal using Multiple Phase Conjugations
09 March 2014
We demonstrate compensation of fiber nonlinearities using optical phase conjugation of an 8-channel WDM 32-Gbaud PDM QPSK signal. Conjugating phase every 600 km in a fiber loop enabled a 6000 km transmission reach over TrueWave fiber spans.