Open AccessStatistical characterization of the nonlinear noise in 28 Tbit/s PDM-16QAM CO-OFDM system
Author(s) -
Zhe Wang,
Yaojun Qiao,
Yanfei Xu,
Yuefeng Ji
Publication year - 2013
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.21.018034
Subject(s) - quadrature amplitude modulation , optics , amplified spontaneous emission , physics , orthogonal frequency division multiplexing , modulation (music) , multiplexing , nonlinear system , transmission (telecommunications) , gaussian , telecommunications , computer science , bit error rate , acoustics , laser , channel (broadcasting) , quantum mechanics
We show for the first time through comprehensive simulations under both uncompensated transmission (UT) and dispersion managed transmission (DMT) systems that the statistical distribution of the nonlinear interference (NLI) within the polarization multiplexed 16-state quadrature amplitude modulation (PM-16QAM) Coherent Optical OFDM (CO-OFDM) system deviates from Gaussian distribution in the absence of amplified spontaneous emission (ASE) noise. We also observe that the dependences of the variance of the NLI noise on both the launch power and the transmission distance (logrithm) seem to be in a simple linear way.