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The most important feature of Raman-gain spectrum is that the peak-gain wavelength only depends on the pump wavelength (fixed shift about 100 nm). Using this feature, a new optimal algorithm for multipump sources of distributed fiber Raman amplifier is designed. The numerical analysis result shows that the optimal algorithm is simple and effective. Index Terms-Distributed fiber Raman amplifier, gain spectrum, optimal-configuration algorithm.doi:10.1109/lpt.2002.806086 fatcat:3edwbrudbvalbbrito2ejyktii