We have generated 167 W of output power at 1178 nm using an ytterbium-doped photonic bandgap fiber. Distributed spectral filtering efficiently suppresses amplified spontaneous emission at shorter wavelengths and enables power scalable amplification at 1178nm.
© 2010 The Optical Society
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
C. B. Olausson, A. Shirakawa, M. Chen, J. K. Lyngsø, J. Broeng, K. P. Hansen, A. Bjarklev, and K. Ueda, "167 W, 1178 nm Ytterbium-Doped Photonic Bandgap Fiber Amplifier with Power Scalability," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optical Society of America, 2010), paper CTuC2.
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