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A fiber laser based on random distributed feedback has attracted increasing attention in recent years, as it has become an important photonic device and has found wide applications in fiber communications or sensing. In this article, recent advances in high‐power random distributed feedback fiber laser are reviewed, including the theoretical analyses, experimental approaches, discussion on the practical...
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...
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