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All-fibre bandwidth tunable filter for high power fibre lasers

All-fibre bandwidth tunable filter for high power fibre lasers
All-fibre bandwidth tunable filter for high power fibre lasers
We demonstrate an all-fibre broad bandwidth tunable filter that is high power capable. The fibre used for this device features high index Germanium rods arranged circularly within a fluorine-doped silica cladding. Tuning is achieved by bending the fibre, which increases cross mode coupling between the fundamental mode and the rods’ modes. A distinctive characteristic of this filter is that the short wavelength edge remains relatively unchanged while the long wavelength edge is tunable. Additionally, the filtering bandwidth ranges from tens to several hundreds of nanometers.
Vukovic, Natasha
3de33ba9-eb8f-4a06-a65e-4ac0a602a157
Chan, Jaclyn
7339d99a-1d44-4313-91a7-8d2452b21069
Zervas, Michael
1840a474-dd50-4a55-ab74-6f086aa3f701
Codemard, Christophe
3aa50483-b61c-4e7e-b178-c9a88bb47bef
Vukovic, Natasha
3de33ba9-eb8f-4a06-a65e-4ac0a602a157
Chan, Jaclyn
7339d99a-1d44-4313-91a7-8d2452b21069
Zervas, Michael
1840a474-dd50-4a55-ab74-6f086aa3f701
Codemard, Christophe
3aa50483-b61c-4e7e-b178-c9a88bb47bef

Vukovic, Natasha, Chan, Jaclyn, Zervas, Michael and Codemard, Christophe (2020) All-fibre bandwidth tunable filter for high power fibre lasers. Photonic West: LASE, The Moscone Center, San Francisco, United States. 01 - 06 Feb 2020. 2 pp .

Record type: Conference or Workshop Item (Other)

Abstract

We demonstrate an all-fibre broad bandwidth tunable filter that is high power capable. The fibre used for this device features high index Germanium rods arranged circularly within a fluorine-doped silica cladding. Tuning is achieved by bending the fibre, which increases cross mode coupling between the fundamental mode and the rods’ modes. A distinctive characteristic of this filter is that the short wavelength edge remains relatively unchanged while the long wavelength edge is tunable. Additionally, the filtering bandwidth ranges from tens to several hundreds of nanometers.

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More information

Accepted/In Press date: 24 July 2019
Published date: 5 February 2020
Venue - Dates: Photonic West: LASE, The Moscone Center, San Francisco, United States, 2020-02-01 - 2020-02-06

Identifiers

Local EPrints ID: 434886
URI: http://eprints.soton.ac.uk/id/eprint/434886
PURE UUID: f8643e4e-33df-4fc7-9616-fecbc2eb60d6
ORCID for Michael Zervas: ORCID iD orcid.org/0000-0002-0651-4059

Catalogue record

Date deposited: 15 Oct 2019 16:30
Last modified: 13 Dec 2021 02:36

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Contributors

Author: Natasha Vukovic
Author: Jaclyn Chan
Author: Michael Zervas ORCID iD

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