Gain and noise properties of small-signal erbium-doped fiber amplifiers pumped in the 980-nm band

Gain and noise properties of small-signal erbium-doped fiber amplifiers pumped in the 980-nm band

The authors have experimentally and theoretically investigated the effects of detuning the pump wavelength on the gain and noise properties of small-signal, erbium-doped fiber amplifiers codirectionally pumped in the 980-nm band. While the pump wavelength can be varied over a wide range with little...

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Veröffentlicht in:IEEE photonics technology letters 1992-06, Vol.4 (6), p.556-558
Hauptverfasser: Pedersen, B., Chirravuri, J., Miniscalco, W.J.
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Erbium-doped fiber amplifier
Laser excitation
Laser noise
Noise figure
Noise measurement
Optical fiber theory
Pump lasers
Spontaneous emission
Wavelength measurement
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Zusammenfassung:The authors have experimentally and theoretically investigated the effects of detuning the pump wavelength on the gain and noise properties of small-signal, erbium-doped fiber amplifiers codirectionally pumped in the 980-nm band. While the pump wavelength can be varied over a wide range with little impact on the gain, a noise penalty is incurred. For amplifiers saturated by amplified spontaneous emission, it is possible to increase the gain by detuning the pump wavelength.< >
ISSN:1041-1135
1941-0174
DOI:10.1109/68.141966