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48% power conversion efficiency in single pump gain-shifted thulium-doped fibre amplifier

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6 Author(s)
Roy, F. ; Alcatel Res. & Innovation, Marcoussis, France ; Leplingard, F. ; Lorcy, L. ; Le Sauze, A.
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A new pumping scheme (1.2 μm+1.4 μm) is demonstrated for a gain-shifted thulium-doped fibre amplifier (TDFA), leading to record efficiency of 48% using one single pump dual-wavelength laser

Published in:

Electronics Letters  (Volume:37 ,  Issue: 15 )