High-power erbium-doped-fiber amplifiers operating in the saturated regime

High-power erbium-doped-fiber amplifiers operating in the saturated regime

It is shown that highly saturated, erbium-doped fiber amplifiers (EDFAs) can be employed as efficient power amplifiers. Differential pump-to-signal conversion efficiencies of 59% (quantum efficiency of 93%) can be obtained, resulting in 54 mW (+17.3 dBm) of amplified signal for only 100 mW of pump p...

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Veröffentlicht in:IEEE photonics technology letters 1991-03, Vol.3 (3), p.253-255
Hauptverfasser: Laming, R.I., Townsend, J.E., Payne, D.N., Meli, F., Grasso, G., Tarbox, E.J.
Format: Artikel
Sprache:eng
Schlagworte:
Bandwidth
Erbium-doped fiber amplifier
High power amplifiers
Optical amplifiers
Optical fiber testing
Optical fibers
Power amplifiers
Power generation
Power measurement
Wavelength measurement
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Zusammenfassung:It is shown that highly saturated, erbium-doped fiber amplifiers (EDFAs) can be employed as efficient power amplifiers. Differential pump-to-signal conversion efficiencies of 59% (quantum efficiency of 93%) can be obtained, resulting in 54 mW (+17.3 dBm) of amplified signal for only 100 mW of pump power at 978 nm. In addition, these amplifiers are shown to have virtually flat spectral-gain characteristics with a 1-dB bandwidth in excess of 38 nm. Operating in this mode, EDFAs are attractive for application as power amplifiers to ease power budget restrictions in point-to-point digital links, video distribution networks, and LANs.< >
ISSN:1041-1135
1941-0174
DOI:10.1109/68.79772