Abstract
Raman amplification has emerged as a promising gain material for multiple-wavelength lasers. Inhomogeneous broadening is a dominant mechanism of Raman gain broadening at room temperature which prevents the gain competition at closely spaced wavelengths [1]. Direct Watt-level core-pumping of single-mode fiber lasers with low-noise semiconductor disk lasers (SDL) demonstrated recently, represents a promising approach which allows to take an advantage of co-pumping scheme [2, 3].
© 2011 Optical Society of America
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