Title :
Wideband and flat-gain optical amplification from 1460 to 1510 nm by serial combination of a thulium-doped fluoride fibre amplifier and fibre Raman amplifier
Author :
Kani, J. ; Jinno, M.
Author_Institution :
NTT Network Innovation Lab., Kanagawa, Japan
fDate :
6/10/1999 12:00:00 AM
Abstract :
A wideband and flat-gain optical amplifier is realised for the wavelength band under the gain band of erbium-doped fibre amplifiers by serially connecting a thulium-doped fluoride fibre amplifier and a fibre Raman amplifier. A high gain of 125 dB is obtained in the range 1460-1510 nm
Keywords :
Raman lasers; laser transitions; optical fibre amplifiers; optical fibre communication; thulium; wavelength division multiplexing; 125 dB; 1460 to 1510 nm; erbium-doped fibre amplifiers; fibre Raman amplifier; flat-gain optical amplification; gain band; thulium-doped fluoride fibre amplifier; wideband optical amplification;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19990708
