Title :
20×224Gbps (56Gbaud) PDM-QPSK transmission in 50GHz grid over 3040km G.652 fiber and EDFA only link using Soft Output Faster than Nyquist Technology
Author :
Liangchuan Li ; Yanzhao Lu ; Ling Liu ; Deyuan Chang ; Zhiyu Xiao ; Yijia Wei
Author_Institution :
Network Res. Dept., Huawei Technol., Shenzhen, China
Abstract :
We report 20×224Gbps PDM-QPSK in 50GHz grid over G.652 fiber and EDFA-only link. Using Soft Output Faster than Nyquist and 7% SDFEC, 4bit/s/Hz net spectral efficiency transmission over 3040km with 21dB span loss is achieved.
Keywords :
erbium; optical fibre amplifiers; optical fibre communication; optical fibre dispersion; quadrature phase shift keying; EDFA only link; G.652 fiber; PDM-QPSK transmission; SOFTN technology; bit rate 224 Gbit/s; distance 3040 km; frequency 50 GHz; loss 21 dB; soft output faster than Nyquist technology; spectral efficiency transmission; Bit error rate; Finite impulse response filters; Optical attenuators; Optical fibers; Optical filters; Optical noise; Optical transmitters;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.W3J.2
