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Analysis of the effect of upconversion on signal amplification in erbium-doped fiber amplifiers (EDFAs)

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2 Author(s)
Nusinsky, I. ; Dept. of Electr. Eng.-Phys. Electron., Tel Aviv Univ., Israel ; Hardy, A.A.

The effect of homogeneous upconversion on the performance of an erbium-doped fiber amplifier (EDFA) is analyzed numerically, by means of a set of rate equations model. In particular, the influence of pump power, signal power, and Er3+ concentration on the degradation, due to upconversion, is examined. Forward pumping is considered and amplified spontaneous emission, as well as scattering loss are taken into account. In addition, approximate analytical solutions, for the rate equations, which include the effect of the cooperative upconversion, are presented. It is shown that under the considered conditions, these analytical solutions provide a good approximation to the exact numerical solution and thus may be used for the design of such amplifiers.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:39 ,  Issue: 4 )

Date of Publication:

Apr 2003

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