Abstract
We demonstrate a cladding-pumped single-mode plane-polarized ytterbium-doped fiber laser generating of continuous-wave output power at with 67% slope efficiency and a polarization extinction ratio better than . The laser is end pumped through both fiber ends and shows no evidence of roll-over, even at the highest output power, which is limited only by the available pump power.
© 2005 Optical Society of America
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