We report 216W of average output power from a photonic crystal rod fiber amplifier. We demonstrate almost 50% power improvement of the mode onset instability by operating the rod fiber in a leaky guiding regime.
© 2012 OSA
M. Laurila, T. T. Alkeskjold, J. Broeng, and J. Laegsgaard, "Distributed Mode Filtering Rod Fiber Amplifier With Improved Mode Stability," in Lasers, Sources, and Related Photonic Devices, OSA Technical Digest (CD) (Optical Society of America, 2012), paper FW5C.4.
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