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We demonstrate what we believe to be the first demonstration of stable gain-switched 845-nm pulse generation by a weak modulated 1550-nm seed laser from an Er3+-doped fluoride fiber pumped by a CW 974 nm LD.
We present an efficient in-band-pumped Er(0.2 at.%):Sc2O3-laser at 1581 nm with a maximum output power of 0.95 W and a maximum slope efficiency of 31%.
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