Channel waveguide laser at 1µm in Yb-indiffused LiNbO3
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), 1477-1479. (doi:10.1364/OL.20.001477).
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Description/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.
| Item Type: | Article |
|---|---|
| ISSNs: | 0146-9592 (print) |
| Related URLs: | |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 78152 |
| Date Deposited: | 11 Mar 2010 |
| Last Modified: | 29 Aug 2012 13:46 |
| Contributors: | Jones, J.K. (Author) de Sandro, J.P. (Author) Hempstead, M. (Author) Shepherd, D.P. (Author) Large, A.C. (Author) Tropper, A.C. (Author) Wilkinson, J.S. (Author) |
| Date: | 1995 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/78152 |
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