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Distributed feedback fiber laser pumped by multimode laser diodes
1College of Optical Sciences, University of Arizona, Tucson, Arizona 85721, USA. axel@optics.arizona.edu
Optics Letters
|March 19, 2008
Abstract:
A distributed feedback fiber laser made of highly Er-Yb codoped phosphate glass fiber has been demonstrated experimentally. Efficient pump absorption allows for multimode pumping into the cladding of the active fiber. Output powers up to 160 mW have been achieved. The 35 mm long fiber laser device emits with >50 dB side mode suppression ratio.
