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A cladding-pumped fiber laser with pump-reflecting inner-cladding Bragg grating

A cladding-pumped fiber laser with pump-reflecting inner-cladding Bragg grating
A cladding-pumped fiber laser with pump-reflecting inner-cladding Bragg grating
A fiber Bragg grating (FBG) was inscribed in the inner cladding of a double-clad fiber, in order to reflect, and thus, double-pass, the pump radiation in a cladding-pumped fiber laser. The effective pump reflectivity of the inner-cladding FBG was ~46.4%. This increased the slope efficiency of a Yb-doped cladding-pumped fiber laser by up to 8.5%, and the output power increased by 45% with a 3W pump source. The FBG provides stable and robust pump reflection, while leaving the fiber end free, for example, so that a signal transmission fiber can be spliced to the double-clad fiber.
1041-1135
407-409
Baek, S.
18a2a74d-59db-4f45-9640-87f4a0a5af6b
Soh, D.B.S.
63fa85d4-c6db-461a-8383-fdb1897bf3d0
Jeong, Y.
85777b88-d35d-4e46-addb-1894fde2385d
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Lee, B.
ebdd36ef-1a79-40af-b33a-8bd06a252e19
Baek, S.
18a2a74d-59db-4f45-9640-87f4a0a5af6b
Soh, D.B.S.
63fa85d4-c6db-461a-8383-fdb1897bf3d0
Jeong, Y.
85777b88-d35d-4e46-addb-1894fde2385d
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Lee, B.
ebdd36ef-1a79-40af-b33a-8bd06a252e19

Baek, S., Soh, D.B.S., Jeong, Y., Sahu, J.K., Nilsson, J. and Lee, B. (2004) A cladding-pumped fiber laser with pump-reflecting inner-cladding Bragg grating. IEEE Photonics Technology Letters, 16 (2), 407-409. (doi:10.1109/LPT.2003.823135).

Record type: Article

Abstract

A fiber Bragg grating (FBG) was inscribed in the inner cladding of a double-clad fiber, in order to reflect, and thus, double-pass, the pump radiation in a cladding-pumped fiber laser. The effective pump reflectivity of the inner-cladding FBG was ~46.4%. This increased the slope efficiency of a Yb-doped cladding-pumped fiber laser by up to 8.5%, and the output power increased by 45% with a 3W pump source. The FBG provides stable and robust pump reflection, while leaving the fiber end free, for example, so that a signal transmission fiber can be spliced to the double-clad fiber.

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Published date: 2004
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Identifiers

Local EPrints ID: 13948
URI: http://eprints.soton.ac.uk/id/eprint/13948
DOI: doi:10.1109/LPT.2003.823135
ISSN: 1041-1135
PURE UUID: 0fb26d06-638d-475e-b76a-8d2d321877df
ORCID for J.K. Sahu: ORCID iD orcid.org/0000-0003-3560-6152
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

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Date deposited: 06 Jan 2005
Last modified: 16 Mar 2024 03:20

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Contributors

Author: S. Baek
Author: D.B.S. Soh
Author: Y. Jeong
Author: J.K. Sahu ORCID iD
Author: J. Nilsson ORCID iD
Author: B. Lee

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