Title :
Enhanced dispersion tolerance of coherent offset-QAM OFDM over conventional OFDM
Author :
Jian Zhao ; Ellis, A.D.
Author_Institution :
Tyndall Nat. Inst., Univ. Coll. Cork, Cork, Ireland
Abstract :
We experimentally demonstrate 38-Gbit/s offset-16QAM OFDM over 840km without guard interval, and numerically show that 112-Gbit/s PDM offset-QPSK OFDM achieves 23% increase in net capacity over conventional OFDM under the same transmission reach.
Keywords :
OFDM modulation; optical fibre communication; quadrature amplitude modulation; quadrature phase shift keying; PDM offset-QPSK OFDM; bit rate 112 Gbit/s; bit rate 38 Gbit/s; conventional OFDM; distance 840 km; enhanced dispersion tolerance; guard interval; net capacity; optical communication systems; transmission reach; Dispersion; Finite impulse response filters; OFDM; Optical attenuators; Optical fibers; Optical noise; Signal to noise ratio;
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.Tu2G.2
