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A novel method for measuring Raman gain coefficient by using chirped soliton

We propose a novel method for measuring Raman gain coefficient by using chirped soliton parameters which are experimentally measured by the second-harmonic generation frequency-resolved optical gating(SHG-FROG) technology.The Raman gain coefficient is experimentally measured and analyzed by using a continuous wave(CW) of the 1 450 nm pump chirped soliton near 1 550 nm in a G.652 fiber.The coefficient is slightly less than that obtained by the CW pumping CW.