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All-fiber bandwidth tunable filter for high power fiber lasers

All-fiber bandwidth tunable filter for high power fiber lasers
All-fiber bandwidth tunable filter for high power fiber lasers

We proposed and demonstrated an all-fiber broadband tunable filter, with "band-stop" characteristics using bending of a resonant coupling fiber. Unlike conventional step-index fiber bend-induced "low-pass" filtering, with this novel approach we are able to retain the "band-stop" filter characteristics and tune the long wavelength edge of the rejected spectral band whilst the short wavelength edge is fixed by fiber design. The fiber filter can be readily spliced to and integrated with high-power single mode output ytterbium-or thulium-doped fiber lasers to provide efficient filtering of four-wave-mixing and/or stimulated Raman scattering, as well as parasitic 1um lasing in erbium/ytterbium co-doped lasers.

High power fiber laser, Specialty optical fiber, Tunable filtering
0277-786X
1126010-1 -1126010-6
SPIE
Chan, Jaclyn
7339d99a-1d44-4313-91a7-8d2452b21069
Vukovic, Natasha
3de33ba9-eb8f-4a06-a65e-4ac0a602a157
Codemard, Christophe A.
3aa50483-b61c-4e7e-b178-c9a88bb47bef
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Dong, Liang
Chan, Jaclyn
7339d99a-1d44-4313-91a7-8d2452b21069
Vukovic, Natasha
3de33ba9-eb8f-4a06-a65e-4ac0a602a157
Codemard, Christophe A.
3aa50483-b61c-4e7e-b178-c9a88bb47bef
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Dong, Liang

Chan, Jaclyn, Vukovic, Natasha, Codemard, Christophe A. and Zervas, Michalis N. (2020) All-fiber bandwidth tunable filter for high power fiber lasers. Dong, Liang (ed.) In Fiber Lasers XVII: Technology and Systems: Technology and Systems. vol. 11260, SPIE. 1126010-1 -1126010-6 . (doi:10.1117/12.2545640).

Record type: Conference or Workshop Item (Paper)

Abstract

We proposed and demonstrated an all-fiber broadband tunable filter, with "band-stop" characteristics using bending of a resonant coupling fiber. Unlike conventional step-index fiber bend-induced "low-pass" filtering, with this novel approach we are able to retain the "band-stop" filter characteristics and tune the long wavelength edge of the rejected spectral band whilst the short wavelength edge is fixed by fiber design. The fiber filter can be readily spliced to and integrated with high-power single mode output ytterbium-or thulium-doped fiber lasers to provide efficient filtering of four-wave-mixing and/or stimulated Raman scattering, as well as parasitic 1um lasing in erbium/ytterbium co-doped lasers.

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Accepted/In Press date: 5 February 2020
Published date: 21 February 2020
Additional Information: Publisher Copyright: © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.
Venue - Dates: SPIE LASE, 2020, San Francisco, California, United States<br/>, The Moscone Center, San Francisco, United States, 2020-02-02 - 2020-02-06
Keywords: High power fiber laser, Specialty optical fiber, Tunable filtering

Identifiers

Local EPrints ID: 438333
URI: http://eprints.soton.ac.uk/id/eprint/438333
ISSN: 0277-786X
PURE UUID: 0d2beddc-ac4c-4607-9950-0f8c49194c7b
ORCID for Michalis N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

Catalogue record

Date deposited: 06 Mar 2020 17:30
Last modified: 28 Oct 2022 01:35

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Contributors

Author: Jaclyn Chan
Author: Natasha Vukovic
Editor: Liang Dong

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