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We experimentally demonstrate a Raman fiber laser with linear cavity based on point-action fibre Bragg grating reflectors and random distributed feedback via Rayleigh scattering in the long fibre providing stable multiple wavelengths (close to ITU grid) output at Watts level.
A fibre laser with a mirrorless cavity that operates via Rayleigh scattering amplified through the Raman effect is recently demonstrated. The properties of such random distributed feedback laser appear different from those of both traditional random lasers and conventional fibre lasers. In the present paper, basic mechanisms defining operation of such random distributed feedback (RDFB) fiber lasers...
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