High power operation of cladding pumped holmium-doped silica fibre lasers

Alexander Hemming; Shayne Bennetts; Nikita Simakov; Alan Davidson; John Haub; Adrian Carter

doi:10.1364/OE.21.004560

High power operation of cladding pumped holmium-doped silica fibre lasers

Alexander Hemming^*, Shayne Bennetts, Nikita Simakov, Alan Davidson, John Haub, Adrian Carter

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

95 Citations (Scopus)

Abstract

We report the highest power operation of a resonantly cladding-pumped, holmium-doped silica fibre laser. The cladding pumped all-glass fibre utilises a fluorine doped glass layer to provide low loss cladding guidance of the 1.95 μ m pump radiation. The operation of both single mode and large-mode area fibre lasers was demonstrated, with up to 140 W of output power achieved. A slope efficiency of 59% versus launched pump power was demonstrated. The free running emission was measured to be 2.12-2.15 μ m demonstrating the potential of this architecture to address the long wavelength operation of silica based fibre lasers with high efficiency.

Original language	English
Pages (from-to)	4560-4566
Number of pages	7
Journal	Optics Express
Volume	21
Issue number	4
DOIs	https://doi.org/10.1364/OE.21.004560
Publication status	Published - 25 Feb 2013

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abstract = "We report the highest power operation of a resonantly cladding-pumped, holmium-doped silica fibre laser. The cladding pumped all-glass fibre utilises a fluorine doped glass layer to provide low loss cladding guidance of the 1.95 μ m pump radiation. The operation of both single mode and large-mode area fibre lasers was demonstrated, with up to 140 W of output power achieved. A slope efficiency of 59% versus launched pump power was demonstrated. The free running emission was measured to be 2.12-2.15 μ m demonstrating the potential of this architecture to address the long wavelength operation of silica based fibre lasers with high efficiency.",

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AU - Hemming, Alexander

AU - Bennetts, Shayne

AU - Simakov, Nikita

AU - Davidson, Alan

AU - Haub, John

AU - Carter, Adrian

PY - 2013/2/25

Y1 - 2013/2/25

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AB - We report the highest power operation of a resonantly cladding-pumped, holmium-doped silica fibre laser. The cladding pumped all-glass fibre utilises a fluorine doped glass layer to provide low loss cladding guidance of the 1.95 μ m pump radiation. The operation of both single mode and large-mode area fibre lasers was demonstrated, with up to 140 W of output power achieved. A slope efficiency of 59% versus launched pump power was demonstrated. The free running emission was measured to be 2.12-2.15 μ m demonstrating the potential of this architecture to address the long wavelength operation of silica based fibre lasers with high efficiency.

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VL - 21

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JO - Optics Express

JF - Optics Express

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High power operation of cladding pumped holmium-doped silica fibre lasers

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