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Coherent combining of spectrally broadened fiber lasers



Coherent combining of spectrally broadened fiber lasers



Optics Express 15(18): 11731-11740



We demonstrate that fiber lasers spectrally broadened by cross mode coupling can be coherently combined with high efficiency. The spectral broadening that it induces suppresses stimulated Brillouin scattering. Using long cavity length lasers, > 800 m, we induce spectral broadening of > 50 GHz and show mode by mode coherence in the output of four intracavity coupled fiber lasers.

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Accession: 052161654

Download citation: RISBibTeXText

PMID: 19547534

DOI: 10.1364/OE.15.011731


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