Noise figure of erbium doped fiber amplifiers in the saturated regime

We have made an experimental and theoretical study of the noise figure of an erbium doped fiber amplifier in the saturated regime. The saturated amplified spontaneous emission at the signal wavelength was measured using a very accurate pulsed source technique. We have quantified the noise figure dep...

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Bibliographic Details
Published in:IEEE photonics technology letters 1994-02, Vol.6 (2), p.199-201
Main Authors: Bertilsson, K., Andrekson, P.A., Olsson, B.E.
Format: Article
Language:English
Subjects:
Applied sciences
Doped fiber amplifiers
Equations
Erbium
Erbium-doped fiber amplifier
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gratings
Noise figure
Noise measurement
Optical elements, devices, and systems
Optical fiber polarization
Optics
Physics
Spontaneous emission
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
Wavelength measurement
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Summary:We have made an experimental and theoretical study of the noise figure of an erbium doped fiber amplifier in the saturated regime. The saturated amplified spontaneous emission at the signal wavelength was measured using a very accurate pulsed source technique. We have quantified the noise figure dependence on compression, in excellent agreement with theory, to be less than 1.5 dB for a gain compression as high as 15 dB when the small signal gain was 26 dB, and the 1.48 μm pump power was 27 mW.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.275427