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977-nm all-fiber DFB laser

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4 Author(s)
Fu, L.B. ; Univ. of Sydney, NSW, Australia ; Ibsen, M. ; Richardson, D.J. ; Payne, D.N.

Three-level operation of a fiber distributed feedback (DFB) laser operating around 980 nm is demonstrated for the first time. The ytterbium-doped DFB laser shows a maximum slope efficiency of 61% and output power of 38.2 mW under a launched single-mode pump power of 150 mW at 910 nm. The efficiency of lasers with different coupling strengths and at different pump wavelengths is also investigated.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 11 )