Performance of high-concentration erbium-doped fiber amplifiers

Performance of high-concentration erbium-doped fiber amplifiers

The full characteristics for two high-concentration erbium-doped fibers are reported. The comparison of the fibers characteristics indicates that design of fiber geometry can be used to partially compensate for the degradation of the amplifiers performance due to upconversion processes. For high NA...

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Veröffentlicht in:IEEE photonics technology letters 1999-08, Vol.11 (8), p.973-975
Hauptverfasser: Myslinski, P., Szubert, C., Bruce, A.J., DiGiovanni, D.J., Palsdottir, B.
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Amplification
Amplifiers
Conversion
Doped fiber amplifiers
Doped fibers
Erbium
Erbium-doped fiber amplifier
Fabrication
Fibers
Gain
Geometry
Optical amplifiers
Optical fiber amplifiers
Optical fiber devices
Optical waveguides
Photons
Upconversion
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Beschreibung
Zusammenfassung:The full characteristics for two high-concentration erbium-doped fibers are reported. The comparison of the fibers characteristics indicates that design of fiber geometry can be used to partially compensate for the degradation of the amplifiers performance due to upconversion processes. For high NA fiber the 22-dB small-signal gain, and 3.5-dB noise figure are obtained from a 24-cm length of fiber. We report a photon quantum conversion efficiency of 28%, which corresponds to the highest efficiency obtained in heavily doped fibers.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.775317