We report an 1178nm fiber oscillator using Yb-doped solid-core photonic bandgap fiber in an all-fiber format. 53.6W output power is achieved with 53% slope efficiency. ASE and parasitic lasing in high-gain wavelength is effectively suppressed.
© 2012 OSA
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3510) Lasers and laser optics : Lasers, fiber
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
X. Fan, M. Chen, A. Shirakawa, K. Ueda, C. B. Olausson, and J. Broeng, "53.6 W, 1178 nm Yb-doped Photonic Bandgap Fiber Oscillator," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper CM2N.5.
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