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High-power single-frequency thulium-doped fiber DBR laser at 1943 nm

High-power single-frequency thulium-doped fiber DBR laser at 1943 nm
High-power single-frequency thulium-doped fiber DBR laser at 1943 nm
We report on a high-power single-frequency mode-hop-free fiber distributed Bragg reflector (DBR) laser fabricated from Tm-doped photosensitive alumino-silicate fiber and in-band pumped by an Er/Yb fiber laser at 1565 nm. The fiber DBR laser yielded up to 580 mW of single-frequency single-ended output at 1943 nm for ~5 W of absorbed pump power. Further scaling of the DBR laser output power was achieved with the aid of a simple Tm-doped fiber amplifier stage spliced directly to the DBR fiber without the need of an optical isolator. The maximum output power from the DBR laser and fiber amplifier was 2.9 W for a combined absorbed pump power of 9 W. The merits of this DBR laser architecture compared to conventional DBR and distributed-feedback laser configurations are discussed.
1041-1135
417-419
Zhang, Z.
9f10922d-6793-4f6f-89e4-aa0125bb16ee
Boyland, A.J.
e6e842e6-0fe6-4de2-a9b8-ca44f30ab4d5
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Ibsen, M.
22e58138-5ce9-4bed-87e1-735c91f8f3b9
Zhang, Z.
9f10922d-6793-4f6f-89e4-aa0125bb16ee
Boyland, A.J.
e6e842e6-0fe6-4de2-a9b8-ca44f30ab4d5
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Ibsen, M.
22e58138-5ce9-4bed-87e1-735c91f8f3b9

Zhang, Z., Boyland, A.J., Sahu, J.K., Clarkson, W.A. and Ibsen, M. (2011) High-power single-frequency thulium-doped fiber DBR laser at 1943 nm. IEEE Photonics Technology Letters, 23 (7), 417-419. (doi:10.1109/LPT.2011.2106491).

Record type: Article

Abstract

We report on a high-power single-frequency mode-hop-free fiber distributed Bragg reflector (DBR) laser fabricated from Tm-doped photosensitive alumino-silicate fiber and in-band pumped by an Er/Yb fiber laser at 1565 nm. The fiber DBR laser yielded up to 580 mW of single-frequency single-ended output at 1943 nm for ~5 W of absorbed pump power. Further scaling of the DBR laser output power was achieved with the aid of a simple Tm-doped fiber amplifier stage spliced directly to the DBR fiber without the need of an optical isolator. The maximum output power from the DBR laser and fiber amplifier was 2.9 W for a combined absorbed pump power of 9 W. The merits of this DBR laser architecture compared to conventional DBR and distributed-feedback laser configurations are discussed.

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More information

Published date: 1 April 2011
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 178403
URI: https://eprints.soton.ac.uk/id/eprint/178403
ISSN: 1041-1135
PURE UUID: e893d521-2633-4ded-9a4a-e3b887ec12ad

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Date deposited: 24 Mar 2011 16:20
Last modified: 21 Aug 2019 16:31

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Contributors

Author: Z. Zhang
Author: A.J. Boyland
Author: J.K. Sahu
Author: W.A. Clarkson
Author: M. Ibsen

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