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Optical Fiber Telecommunications VA, 5th Edition
book

Optical Fiber Telecommunications VA, 5th Edition

by Ivan Kaminow, Alan E. Willner, Tingye Li
July 2010
Intermediate to advanced content levelIntermediate to advanced
944 pages
34h 12m
English
Academic Press
Content preview from Optical Fiber Telecommunications VA, 5th Edition
5.2 SINGLE-MODE FIBER 980-NM PUMPS
Today, C and L band EDFAs are preferably pumped at 980 nm, resulting in lower
noise figure, lower overall power consumption [9], and providing ample power since
the availability of reliable high-power, Peltier-cooled 980-nm pump modules.
Undersea intercontinental links, based on dense wavelength-division multiplex-
ing (DWDM), impose the most demanding requireme nts on single-mode (SM)
fiber 980-nm pump diodes. For the undersea application, highly efficient and
reliable pump modules operating over a wide temperature range (without Peltier
temperature stabilization) had to be developed (Figure 5.1).
5.2.1 Materials
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Publisher Resources

ISBN: 9780123741714