Optical Design and Engineering

Fast optimization of multipump Raman amplifiers based on a simplified wavelength and power budget heuristic

[+] Author Affiliations
Helder R. de O. Rocha

Federal University of Espírito Santo, North University Center of Espírito Santo, Rodovia BR 101 Norte, São Mateus-ES 29932-540, Brazil

Carlos E. S. Castellani

Federal University of Espírito Santo, Telecommunication Laboratory, Av. Fernando Ferrari, 514, Vitória-ES 29075-910, Brazil

Jair A. L. Silva

Federal University of Espírito Santo, Telecommunication Laboratory, Av. Fernando Ferrari, 514, Vitória-ES 29075-910, Brazil

Maria J. Pontes

Federal University of Espírito Santo, Telecommunication Laboratory, Av. Fernando Ferrari, 514, Vitória-ES 29075-910, Brazil

Marcelo E. V. Segatto

Federal University of Espírito Santo, Telecommunication Laboratory, Av. Fernando Ferrari, 514, Vitória-ES 29075-910, Brazil

Opt. Eng. 54(1), 015105 (Jan 20, 2015). doi:10.1117/1.OE.54.1.015105
History: Received October 26, 2014; Accepted December 29, 2014
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Abstract.  We report a simple budget heuristic for a fast optimization of multipump Raman amplifiers based on the reallocation of the pump wavelengths and the optical powers. A set of different optical fibers are analyzed as the Raman gain medium, and a four-pump amplifier setup is optimized for each of them in order to achieve ripples close to 1 dB and gains up to 20 dB in the C band. Later, a comparison between our proposed heuristic and a multiobjective optimization based on a nondominated sorting genetic algorithm is made, highlighting the fact that our new approach can give similar solutions after at least an order of magnitude fewer iterations. The results shown in this paper can potentially pave the way for real-time optimization of multipump Raman amplifier systems.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Helder R. de O. Rocha ; Carlos E. S. Castellani ; Jair A. L. Silva ; Maria J. Pontes and Marcelo E. V. Segatto
"Fast optimization of multipump Raman amplifiers based on a simplified wavelength and power budget heuristic", Opt. Eng. 54(1), 015105 (Jan 20, 2015). ; http://dx.doi.org/10.1117/1.OE.54.1.015105


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