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2.9 µm lasing from a Ho3+/Pr3+ co-doped AlF3-based glass fiber pumped by a 1150 nm laser

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Abstract

${{\rm Ho}^{3 + }}/{{\rm Pr}^{3 + }}$ co-doped ${{\rm AlF}_3}$-based glass fibers were fabricated by using a rod-in-tube method based on the matrix glass composition of ${{\rm AlF}_3} - {{\rm BaF}_2} - {{\rm CaF}_2} - {{\rm YF}_3} - {{\rm SrF}_2} - {{\rm MgF}_2} - {\rm LiF} - {{\rm ZrF}_4} - {{\rm PbF}_2}$. Under the pump of a 1150 mW Raman fiber laser, a 2.9 µm laser was observed in a 19 cm long ${{\rm Ho}^{3 + }}/{{\rm Pr}^{3 + }}$ co-doped ${{\rm AlF}_3}$-based glass fiber with an output power of 173 mW and a slope efficiency of 10.4%. ${{\rm Ho}^{3 + }}/{{\rm Pr}^{3 + }}$ co-doped ${{\rm AlF}_3}$-based glasses were fabricated to investigate the deactivation effects of ${{\rm Pr}^{3 + }}$ ions on the ${{\rm Ho}^{3 + }}:{^5{{\rm I}}_7}$ level. Our results showed that the ${{\rm Ho}^{3 + }}/{{\rm Pr}^{3 + }}$ co-doped ${{\rm AlF}_3}$-based glass fibers are potential gain media for $\sim{2.9}\;{\unicode{x00B5}{\rm m}}$ lasers.

© 2020 Optical Society of America

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Corrections

Shunbin Wang, Jiquan Zhang, Niannian Xu, Shijie Jia, Gilberto Brambilla, and Pengfei Wang, "2.9  µm lasing from a Ho3+/Pr3+ co-doped AlF3-based glass fiber pumped by a 1150  nm laser: publisher’s note," Opt. Lett. 45, 1374-1374 (2020)
https://opg.optica.org/ol/abstract.cfm?uri=ol-45-6-1374

24 February 2020: A typographical correction was made to the main text on p. 1216. A typographical correction was made to the main text on p. 1218.


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