Title :
40 WDM 2.5 Gbit/s transmission over 12000 km using widely gain-flattened low-noise 980 nm-pumped EDFAs
Author :
Takeda, N. ; Taga, H. ; Imai, K. ; Horiuchi, Y. ; Edagawa, N. ; Suzuki, M. ; Yamamoto, S.
Author_Institution :
KDD R&D Labs., Saitama, Japan
fDate :
2/19/1998 12:00:00 AM
Abstract :
40 WDM 2.5 Gbit/s transmission is successfully demonstrated over 12000 km for the first time, using widely gain-flattened low-noise 980 nm-pumped EDFAs and a large effective area fibre. The gain shape of the transmission line was almost maintained over 18000 km
Keywords :
erbium; fibre lasers; laser noise; optical fibre communication; optical pumping; wavelength division multiplexing; 12000 km; 2.5 Gbit/s; 980 nm; WDM transmission; fibre effective area; gain-flattened low-noise optically pumped EDFA; line gain shape;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19980302
