Channel waveguide laser at 1µm in Yb-indiffused LiNbO3
Channel waveguide laser at 1µm in Yb-indiffused LiNbO3
We report laser action in a Ti-diffused LiNbO3 waveguide doped with trivalent Yb ions by thermal indiffusion. Lasing was observed at 1008, 1030, and 1060 nm with thresholds as low as 15-mW launched pump power. We reduced photorefractivity, which initially permitted only intermittent lasing, by annealing the sample in wet O2. The annealed sample lased continuously in a cavity formed by high-reflectivity mirrors; however, with a 7% output coupler the output power exhibited instabilities. The greatest value of the output power observed under these conditions was consistent with a slope efficiency of ~16% with respect to absorbed power.
1477-1479
Jones, J.K.
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de Sandro, J.P.
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Hempstead, M.
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Shepherd, D.P.
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Large, A.C.
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Tropper, A.C.
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Wilkinson, J.S.
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1995
Jones, J.K.
9b23ec36-95a6-46ad-9b7b-48487afdd67d
de Sandro, J.P.
1577a28a-db8b-4bae-97af-c7dc8b23cea6
Hempstead, M.
1bc4f2eb-fba7-46b8-b0c6-199f586b9954
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Large, A.C.
712e26d3-4e3b-467f-8f8c-d9e2dbc042b9
Tropper, A.C.
f3505426-e0d5-4e91-aed3-aecdb44b393c
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Jones, J.K., de Sandro, J.P., Hempstead, M., Shepherd, D.P., Large, A.C., Tropper, A.C. and Wilkinson, J.S.
(1995)
Channel waveguide laser at 1µm in Yb-indiffused LiNbO3.
Optics Letters, 20 (13), .
(doi:10.1364/OL.20.001477).
Abstract
We report laser action in a Ti-diffused LiNbO3 waveguide doped with trivalent Yb ions by thermal indiffusion. Lasing was observed at 1008, 1030, and 1060 nm with thresholds as low as 15-mW launched pump power. We reduced photorefractivity, which initially permitted only intermittent lasing, by annealing the sample in wet O2. The annealed sample lased continuously in a cavity formed by high-reflectivity mirrors; however, with a 7% output coupler the output power exhibited instabilities. The greatest value of the output power observed under these conditions was consistent with a slope efficiency of ~16% with respect to absorbed power.
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Published date: 1995
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Local EPrints ID: 78152
URI: http://eprints.soton.ac.uk/id/eprint/78152
ISSN: 0146-9592
PURE UUID: e94094ca-d899-4378-aed4-eac9e4ed1b3d
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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:34
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Author:
J.K. Jones
Author:
J.P. de Sandro
Author:
M. Hempstead
Author:
D.P. Shepherd
Author:
A.C. Large
Author:
A.C. Tropper
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