Title :
Temperature dependence of the gain in erbium-doped fibers
Author :
Kagi, Nobuyuki ; Oyobe, Akira ; Nakamura, Kazunori
Author_Institution :
Furukawa Electr. Co. Ltd., Yokohama, Japan
fDate :
2/1/1991 12:00:00 AM
Abstract :
The temperature dependence of the gain in erbium-doped fibers between -20 and +85°C is discussed. The characteristics of three types of erbium-doped fibers with different erbium concentrations and glass compositions are investigated. The gain decreased with increasing temperature at the rate of -0.07 dB/°C when pumped at 1.48 μm. The change in the gain was small when pumped at 0.98 μm. By measuring the change in the absorption and fluorescence spectra with temperature, it is deduced that the change in the gain is mainly due to the change in the saturated population inversion
Keywords :
erbium; fibre lasers; infrared spectra of inorganic solids; luminescence of inorganic solids; optical communication equipment; population inversion; -20 to 85 degC; 0.98 micron; 1.48 micron; Er concentration; Er:fibre amplifiers; absorption spectra; fluorescence spectra; gain; glass compositions; optical pumping; saturated population inversion; temperature dependence; Diode lasers; Erbium; Fluorescence; Gain measurement; Glass; Optical crosstalk; Optical fiber polarization; Semiconductor optical amplifiers; Stimulated emission; Temperature dependence;
Journal_Title :
Lightwave Technology, Journal of
