Power requirements for erbium-doped fiber amplifiers pumped in the800, 980, and 1480 nm bands |
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Authors: | Pedersen B. Thompson B.A. Zemon S. Miniscalco W.J. Wei T. |
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Affiliation: | GTE Labs. Inc., Waltham, MA; |
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Abstract: | The authors examine relative merits of exciting Er3+ amplifiers at the three wavelengths for which high-power laser diodes are available at 800, 980, and 1480 nm. Model calculations are confirmed by a detailed experimental comparison of the power requirements for pumping in the 800-nm band and at 980 nm. To obtain comparable performance with respect to gain and noise figure, 7-8 dB more power is required when pumping in the 800-nm-band |
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