Dual-pump Raman amplification with increased flatness using modulation instability

Ellingham, T.J., Ania-Castañón, J.D., Turitsyn, S.K., Pustovskikh, A., Kobtsev, S. and Fedoruk, M.P. (2005). Dual-pump Raman amplification with increased flatness using modulation instability. Optics express, 13 (4), pp. 1079-1084.

Abstract

he application of modulation instability-initiated nonlinear broadening of two CW pumps at different wavelengths, in order to achieve superior gain ripple performance in broadband Raman amplifiers, is demonstrated for the first time experimentally. A particular example using Truewave and LEAF fibers is offered, in which the 0.1 dB gain ripple band is extended from 5 nm to 19 nm. Experimental results are in a good agreement with numerical modeling. Guidelines for optimal broadening are discussed.

Publication DOI: https://doi.org/10.1364/OPEX.13.001079
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Non-linearity and complexity research group
Additional Information: © 2005 OSA This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OPEX.13.001079. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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Published Date: 2005-02-21
Authors: Ellingham, T.J.
Ania-Castañón, J.D.
Turitsyn, S.K.
Pustovskikh, A.
Kobtsev, S.
Fedoruk, M.P.

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