Abstract

A novel fiber Raman source (FRS) that can simultaneously achieve a high continuous wave (CW) output power and a flat and broad spectrum is demonstrated experimentally. A160 mW CW output is achieved by 1 W pump power with 44 nm spectral bandwidth (flatness <±2 dB). The FRS features in flexible output wavelength, adjustable output spectrum profile and high CW output power. Its application as pump source for ultra-flat fiber Raman amplification is verified.

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