Suppression of stimulated Raman scattering (SRS) is demonstrated in a cladding-pumped fiber amplifier. The Yb-doped amplifier fiber design incorporates a high-index ring that resonantly couples SRS wavelengths out of the gain material, thus filtering the gain. Modeling shows that fiber asymmetry plays an important role in the filtering spectrum.
© 2006 Optical Society of America
Fiber Optics and Optical Communications
Original Manuscript: June 7, 2006
Revised Manuscript: June 20, 2006
Manuscript Accepted: June 20, 2006
Published: August 9, 2006
J. M. Fini, M. D. Mermelstein, M. F. Yan, R. T. Bise, A. D. Yablon, P. W. Wisk, and M. J. Andrejco, "Distributed suppression of stimulated Raman scattering in an Yb-doped filter-fiber amplifier," Opt. Lett. 31, 2550-2552 (2006)