Transmission capacity of erbium-doped fiber amplifiers as a criterion for quality of erbium-doped optical fibers |
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Authors: | Yu A Varaksa G V Sinitsyn M A Khodasevich |
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Institution: | (1) Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, 220072, Belarus |
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Abstract: | A new criterion—transmission capacity in the unsaturated gain regime—is proposed for comparing the quality of glasses for erbium-doped fiber amplifiers, considered as an element of an optical communication system. It is shown that, according to the criterion for the highest transmission capacity, amplifiers based on alumino-phosphate-silicate and zinc-sodium-germanate-silicate fibers are preferred for systems with separate C and L bands, respectively. In broadband systems, the highest transmission capacity is observed in amplifiers based on tellurite fibers. |
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