Performance comparison between 980 and 1480 nm pumping for Er<sup>3&#x002B;</sup>-doped bismuth fiber amplifiers


We have carried out the performance comparison between 980 and 1480-nm pumping for bismuth-based EDFAs. 980-nm pumping was observed to provide no NF benefit relative to 1480-nm due to the overall population decrease in the <sup>4</sup>I<sub>13/2</sub> state caused by the combination of the pump ESA and the PIQ. 1480 nm was found to be the better considering… (More)


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