Title :
Real-time 112Gb/s DWDM coherent transmission with 40% extended reach by transmitter-side low-complexity nonlinear mitigation
Author :
Liang Dou ; Zhenning Tao ; Akiyama, Yoko ; Oda, Shoichiro ; Fan, Y. ; Oyama, Tsutomu ; Nakashima, Hideharu ; Hoshida, Takeshi ; Rasmussen, Jens C.
Author_Institution :
Fujitsu R&D Center, Beijing, China
Abstract :
One stage nonlinear digital pre-distortion and pulse-carving extend the transmission reach by 40% in real-time DWDM DP-QPSK transmission using digital coherent CMOS LSI. Practical robustness against link uncertainties was confirmed.
Keywords :
CMOS integrated circuits; measurement uncertainty; nonlinear optics; quadrature phase shift keying; wavelength division multiplexing; DP-QPSK transmission; DWDM coherent transmission; bit rate 112 Gbit/s; digital coherent CMOS LSI; link uncertainties; nonlinear digital pre-distortion; pulse-carving; transmitter-side low-complexity nonlinear mitigation; Chromatic dispersion; Optical fiber dispersion; Optical fiber polarization; Real-time systems; Robustness; Wavelength division multiplexing;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam
