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  • Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference
  • Technical Digest (CD) (Optica Publishing Group, 2005),
  • paper NTuB4

Optimization of Multi-Pump Raman Amplifiers

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The utilization of high-gain bandwidth in fiber Raman amplifiers (FRA) requires multiple pumps at different wavelengths and careful adjustment of the individual pump powers [1-2]. Due to the large number of varying, partly unknown parameters, this is only feasible with the help of special optimization algorithms [3-4]. It is essential that such optimization routines consider pump-pump and pump-signal Raman interactions. However, other physical effects, whose impact is a priori unknown within the scope of the optimizer, can have a significant influence on the performance of the Raman amplifier. For instance, signal-signal Raman interactions, Rayleigh and Brillouin scattering, and power-related variations of broadband pump sources can cause considerable amplifier degradations. Therefore, it is essential that those effects are considered carefully and that realistic fiber and component characteristics are used to obtain meaningful optimization results.

© 2005 Optical Society of America

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