rare-earth-doped fiber amplifier

rare-earth-doped fiber amplifier

[¦rār ‚ərth ‚dōpt ‚fī·bər ′am·plə‚fī·ər]
(communications)
An optical fiber amplifier whose fiber core is lightly doped with trivalent rare-earth ions, which absorb light at certain pump wavelengths and emit it at some signal wavelength through stimulated emission.
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Dutta presents students, academics, researchers, and professionals working in a variety of contexts with a comprehensive examination of the design and applications of rare-earth-doped fiber amplifiers and fiber lasers.