Answers are grounded in this paper and cite their sources.
Laser emission has been observed in a monomode fibre doped with ytterbium. A wide tuning range has been observed, 1.015μm to 1.140μm, when pumped by a dye laser at 840 nm. Diode pumped operation has also been achieved in a cooled fibre.
No takes yet. Share an insight, caveat, or question.
Hanna et al. (1988) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: