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High-power broadband ytterbium-doped helical-core fiber superfluorescent source

High-power broadband ytterbium-doped helical-core fiber superfluorescent source
High-power broadband ytterbium-doped helical-core fiber superfluorescent source
Highly efficient operation of a double-clad ytterbium-doped helical-core fiber in a superfluorescent (nonlasing) configuration has been demonstrated. The fiber was cladding-pumped by a diode-stack at 976 nm and yielded 107 W of amplified spontaneous emission from the two ends of the fiber for 168 W of absorbed pump power in an output beam with a beam propagation factor (M) of 2.8. At pump powers over 40 W, the slope efficiency with respect to the absorbed pump power was 76%. The emission spectrum spanned the wavelength range from 1030 to 1160 nm and the bandwidth (full-width at half-maximum) was 37 nm.
amplified spontaneous emission (ASE), cladding-pumping, rare-earth-doped optical fibers, superfluorescence
1041-1135
300-302
Wang, P.
df957848-e6e4-45f0-ba01-2d966a30aa67
Sahu, Jayanta K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, William
3b060f63-a303-4fa5-ad50-95f166df1ba2
Wang, P.
df957848-e6e4-45f0-ba01-2d966a30aa67
Sahu, Jayanta K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, William
3b060f63-a303-4fa5-ad50-95f166df1ba2

Wang, P., Sahu, Jayanta K. and Clarkson, William (2007) High-power broadband ytterbium-doped helical-core fiber superfluorescent source. IEEE Photonics Technology Letters, 19 (5), 300-302. (doi:10.1109/LPT.2007.891244).

Record type: Article

Abstract

Highly efficient operation of a double-clad ytterbium-doped helical-core fiber in a superfluorescent (nonlasing) configuration has been demonstrated. The fiber was cladding-pumped by a diode-stack at 976 nm and yielded 107 W of amplified spontaneous emission from the two ends of the fiber for 168 W of absorbed pump power in an output beam with a beam propagation factor (M) of 2.8. At pump powers over 40 W, the slope efficiency with respect to the absorbed pump power was 76%. The emission spectrum spanned the wavelength range from 1030 to 1160 nm and the bandwidth (full-width at half-maximum) was 37 nm.

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More information

Published date: March 2007
Keywords: amplified spontaneous emission (ASE), cladding-pumping, rare-earth-doped optical fibers, superfluorescence
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 46871
URI: https://eprints.soton.ac.uk/id/eprint/46871
ISSN: 1041-1135
PURE UUID: 3f704696-295d-4950-830e-c853dbd10301

Catalogue record

Date deposited: 23 Jul 2007
Last modified: 04 Mar 2019 17:31

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