We demonstrate for the first time the power-scaling of Yb-free Er-doped fiber amplifiers to levels of multiple 10W. The achieved output power of 67W is the highest value ever reported for an Yb-free Er-doped fiber-system.
© 2011 OSA
V. Kuhn, D. Kracht, J. Neumann, and P. Wessels, "Yb-free Er-doped 976 nm Pumped Large Mode Area Fiber Amplifier with 67 W of Output Power," in Advances in Optical Materials, OSA Technical Digest (CD) (Optical Society of America, 2011), paper ATuB5.
References are not available for this paper.