Efficient single frequency fibre lasers using novel photosensitive Er/Yb optical fibres
Efficient single frequency fibre lasers using novel photosensitive Er/Yb optical fibres
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.
694-696
Dong, L.
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Loh, W.H.
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Caplen, J.E.
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Minelly, J.D.
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Hsu, K.
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Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5
1997
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Loh, W.H.
ad865cd3-2580-4afa-8607-1c1d30cf8312
Caplen, J.E.
12c9dec4-a337-4c85-a132-0f7444f74567
Minelly, J.D.
5f4c7b1a-99ee-4746-9e3c-4cb420615c50
Hsu, K.
692a7cd3-e30b-406f-98db-ca42ba3ee97f
Reekie, L.
ec314137-6924-44ad-86a4-ff3f9a67c1b5
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), .
(doi:10.1364/OL.22.000694).
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: 14 Mar 2024 00:05
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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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