Title :
2.5 Gbit/s, 4 channel, 1200 km densely spaced coherent WDM recirculating-loop experiments
Author_Institution :
KDD Kamifukuoka R&D Labs., Saitama
fDate :
7/21/1994 12:00:00 AM
Abstract :
2.5 Gbit/s, 4 channel, densely spaced coherent WDM recirculating-loop transmission experiments were performed over 1200 km using unequal channel spacings to demonstrate the alleviation of the effect of accumulated gain `unflatness´ of EDFAs
Keywords :
digital communication systems; error statistics; fibre lasers; laser beam applications; optical fibres; optical links; wavelength division multiplexing; 1200 km; 2.5 Gbit/s; BER; EDFAs; Er doped fibre amplifiers; bit error rate; coherent WDM recirculating-loop; four channel configuration; transmission experiments; unequal channel spacings;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19940815