Abstract
Erbium-doped fiber amplifiers (EDFAs) are very efficient when pumped with expensive laser diodes (LDs) at 980 and 1480 nm but inefficient when high-power relatively low-cost LDs at 800 nm are used. Until now, however, the tradeoffs between these three excitation sources have not been quantified. We present a comprehensive experimental and theoretical analysis comparing the power required to achieve the same performance for each of these pump bands.
© 1992 Optical Society of America
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