We show that the classic Raman threshold formula is unsuitable to accurately predict the onset of Raman scattering in high-power CW fiber amplifiers. We propose a new analytical formula which accuracy is tested with simulations.
© 2009 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.3510) Fiber optics and optical communications : Lasers, fiber
C. Jauregui, T. Eidam, D. N. Schimpf, J. Limpert, and A. Tünnermann, "Raman Threshold for CW Double-Clad Fiber Amplifiers," in Advanced Solid-State Photonics, OSA Technical Digest Series (CD) (Optical Society of America, 2009), paper TuB27.
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