Simple design method for gain-flattened three-pump Raman amplifiers

Simple design method for gain-flattened three-pump Raman amplifiers

We propose a simple and efficient approach to the design of 3-wavelength backward-pumped Raman amplifiers with increased gain flatness over a wide spectral band. Three different methods dealing with the optimization of one or two different simple parameters are studied. Various examples are provided...

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Veröffentlicht in:Optical and quantum electronics 2007-02, Vol.39 (3), p.213-220
Hauptverfasser: Ania-Castañón, J. D., Pustovskikh, A. A., Kobtsev, S. M., Turitsyn, S. K.
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Amplification
Amplifiers
Flatness
Optimization
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container_start_page 213
container_title Optical and quantum electronics
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creator Ania-Castañón, J. D.
Pustovskikh, A. A.
Kobtsev, S. M.
Turitsyn, S. K.
description We propose a simple and efficient approach to the design of 3-wavelength backward-pumped Raman amplifiers with increased gain flatness over a wide spectral band. Three different methods dealing with the optimization of one or two different simple parameters are studied. Various examples are provided for illustration, and the dependence of both amplifier gain and gain flatness with pump power is shown. Gain flatness in the spectral range of 1,520–1,595 nm of about 1 dB for a 7.5 dB gain and of 1.8 dB for a 13.5 dB gain is demonstrated using only three pumps with wavelengths within the 1,420–1,480 nm interval.
doi_str_mv 10.1007/s11082-007-9075-7
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subjects Amplification
Amplifiers
Flatness
Optimization
title Simple design method for gain-flattened three-pump Raman amplifiers
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