Title :
Modified phase-conjugate twin wave schemes for spectral efficiency enhancement
Author :
Yukui Yu;Wei Wang;Paul D. Townsend;Jian Zhao
Author_Institution :
Photonic Systems Group, Tyndall National Institute and University College Cork, Lee Maltings, Dyke Parade, Cork, Ireland
Abstract :
We propose novel schemes to mitigate fiber nonlinearity and show in 25-Gbaud PDM QPSK simulations over 15,200 km that these schemes increase the spectral efficiency from 50% to 70% while exhibiting only 0.3-dB Q-factor reduction compared to the PCTW method.
Keywords :
"Phase shift keying","Q-factor","Redundancy","Optical fiber communication","Nonlinear distortion","Receivers","Optical fiber amplifiers"
Conference_Titel :
Optical Communication (ECOC), 2015 European Conference on
DOI :
10.1109/ECOC.2015.7341994
