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Efficient single frequency fibre lasers using novel photosensitive Er/Yb optical fibres

Dong, L., Loh, W.H., Caplen, J.E., Minelly, J.D., Hsu, K. and Reekie, L. (1997) Efficient single frequency fibre lasers using novel photosensitive Er/Yb optical fibres Optics Letters, 22, (10), pp. 694-696. (doi:10.1364/OL.22.000694).

Record type: Article

Abstract

Boron- and germanium-doped highly photosensitive cladding is used in a novel design to achieve photosensitive Er/Yb-doped fibers, permitting short, strong gratings (length ~1cm, reflectivity >99%) to be written without hydrogenation. The high absorption at 980nm in Er/Yb fibers permits efficient pump absorption over a short device length, which is ideal for achieving highly efficient single-frequency fiber lasers. Both single-frequency Bragg-grating reflector and distributed-feedback lasers with slope efficiencies of 25% with respect to launched pump power have been realized in such fibers

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Published date: 1997

Identifiers

Local EPrints ID: 78027
URI: http://eprints.soton.ac.uk/id/eprint/78027
ISSN: 0146-9592
PURE UUID: 6c882793-8732-4a4e-8002-0fc2b8e08965

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:27

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Contributors

Author: L. Dong
Author: W.H. Loh
Author: J.E. Caplen
Author: J.D. Minelly
Author: K. Hsu
Author: L. Reekie

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