DocumentCode
1518289
Title
Dynamic gain equalization in two-stage fiber amplifiers
Author
Giles, C.R. ; Di Giovanni, D.J.
Author_Institution
AT&T Bell Lab., Holmdel, NJ, USA
Volume
2
Issue
12
fYear
1990
Firstpage
866
Lastpage
868
Abstract
Relative gain differences among channels in WDM-amplified lightwave systems can be corrected in two-stage fiber amplifiers having complementary gain spectra in each stage. With two channels spaced by 2.5 nm, relative gain corrections of 1 dB were demonstrated. Simulations show that this method can be used to dynamically equalize the channel gain in long-distance transmission systems.<>
Keywords
fibre lasers; frequency division multiplexing; optical communication equipment; WDM-amplified lightwave systems; channel gain; complementary gain spectra; dynamic gain equalisation; gain corrections; long-distance transmission systems; two-stage fiber amplifiers; Doped fiber amplifiers; Optical amplifiers; Optical fiber amplifiers; Optical fiber devices; Optical fiber polarization; Optical fiber testing; Optical filters; Optical pumping; Repeaters; Stimulated emission;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/68.62012
Filename
62012
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