A correction method for the analytical model in Raman amplifiers systems based on energy conservation assumption

Abstract This paper presents a modification for the already consolidated analytical model that calculates the gain and ripple in multi-pump Raman amplifiers by considering energy conservation. The original analytical model precisely computes the pump-pump interaction to the C- and L-band for a WDM i...

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Bibliographic Details
Published in:Journal of Microwaves, Optoelectronics and Electromagnetic Applications Optoelectronics and Electromagnetic Applications, 2016-09, Vol.15 (3), p.198-209
Main Authors: Coelho, Thiago V. N., dos Santos, A. Bessa, Jucá, Marco A., C. Jr, Luiz C., Pontes, Maria J., L.Barbero, Andres P.
Format: Article
Language:English
Subjects:
analytical model
energy conservation
ENGINEERING, ELECTRICAL & ELECTRONIC
numerical model
OPTICS
Raman amplifier
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Summary:Abstract This paper presents a modification for the already consolidated analytical model that calculates the gain and ripple in multi-pump Raman amplifiers by considering energy conservation. The original analytical model precisely computes the pump-pump interaction to the C- and L-band for a WDM input signal. However, when this method is used to amplify a large bandwidth, as the entire C and a part of the L band, the increase in the number of pump lasers impacts the obtained results. The error, if compared with results obtained by a numerical method, becomes significant. An analysis in terms of energy is proposed to minimize the discrepancy between analytical and numerical results. An improvement is observed to the gain results.
ISSN:2179-1074
2179-1074
DOI:10.1590/2179-10742016v15i3612