Abstract
We experimentally demonstrate a temporally stable random fiber laser (RFL) operating at 1070-nm wavelength. A piece of 25-km passive fiber pumped by a 1018-nm ytterbium-doped fiber laser provides both Raman amplification from stimulated Raman scattering and random distributed feedback via Rayleigh scattering. The laser output of the RFL system shows temporally stable characteristics, despite the high-intensity noise of the pump source. The output power of the 1070-nm RFL reaches the 10-W level. The RFL working in the wavelength range between 1.06 and 1.09 m is reported for the first time, to the best of our knowledge, in this paper. We believe that our result may be fur- ther applied in high-power fiber laser amplifications.
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