Title :
Mutual signal gain saturation in Er3+-doped fibre amplifier around 1.54 mu m wavelength
Author :
Inoue, K. ; Toba, H. ; Shibata, N. ; Iwatsuki, K. ; Takada, A. ; Shimizu, M.
Author_Institution :
NTT Labs., Kanagawa, Japan
fDate :
4/27/1989 12:00:00 AM
Abstract :
Signal gain saturation characteristics of a 1.48 mu m wavelength laser diode pumped Er3+-doped fibre amplifier are experimentally investigated for two signal channels amplified around the gain peak wavelengths of 1.535 mu m and 1.551 mu m. The degree of gain saturation is uniquely determined by the total output power when the signal wavelengths are closely positioned. This feature is not suited to two-channel amplification for widely spaced wavelengths.
Keywords :
erbium; laser transitions; optical communication; optical communication equipment; optical fibres; optical pumping; silicon compounds; solid lasers; 1.48 micron; 1.535 to 1.551 micron; Er 3+-doped fibre amplifier; SiO 2:Er 3+; gain peak wavelengths; laser diode pumping; multichannel optical transmission; optical fibres; signal gain saturation; silica fibres; solid lasers; total output power; two signal channels; two-channel amplification;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890404
