High-power, high-efficiency ytterbium-doped solid-core photonic-bandgap fiber amplification at the long-wavelength edge of the Yb gain band is reported. Amplified-spontaneous-emission-free, 30W non-polarized and 25W linearly-polarized 1178nm outputs have been achieved with <58% slope efficiencies.
© 2009 The Optical Society
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3510) Lasers and laser optics : Lasers, fiber
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
A. Shirakawa, H. Maruyama, K. Ueda, C. B. Olausson, J. K. Lyngsø, and J. Broeng, "30W, 1178nm Yb-Doped Photonic Bandgap Fiber Amplifier," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper CThGG3.
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