A model was developed for evaluating transverse mode evolution in multimode fiber amplifiers, depending on the induced coiling radius. The model accuracy was verified experimentally. Near single mode operation (M2=1.6) in a multimode fiber amplifier was accomplished.
© 2005 Optical Society of America
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.4480) Lasers and laser optics : Optical amplifiers
S. Acco, Y. Sintov, Y. Glick, O. Katz, Y. Nafcha, and R. Lavi, "Bend-loss control of multi-mode fiber power amplifiers producing single-mode operation," in Advanced Solid-State Photonics (TOPS), C. Denman and I. Sorokina, eds., Vol. 98 of OSA Trends in Optics and Photonics (Optical Society of America, 2005), paper 565.
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