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400mW 1060nm ytterbium doped fiber DFB laser

400mW 1060nm ytterbium doped fiber DFB laser
400mW 1060nm ytterbium doped fiber DFB laser
We report for the first time, more than 400mW of output power at 1056.1nm from a distributed feedback (DFB) fiber laser. The DFB fiber laser comprises a simple pi-phase-shifted Bragg grating written into a photosensitive ytterbium-doped fiber. The laser operates with a single longitudinal mode at a wavelength defined by the phase shift and the grating period. Without any internal polarisation selection mechanism, the cavity supports orthogonal polarisation modes, which operate simultaneously. The DFB fiber laser was pumped by a 976nm amplified spontaneous emission (ASE) source based on a ytterbium doped jacketed air clad (JAC) fiber pumped by a 915nm multimode laser diode source. An output of 400mW at 1056.1nm was obtained from the output port while 70mW was obtained from the other port, when pumped with 1.5W of 976nm radiation. The total output from the DFB fiber laser was approximately linear with increasing pump power and the overall performance was limited by the available pump power. The spectral characteristics and signal to noise ratio remained similar over the pump power range. The output of the DFB was in single-mode fiber (ie. M2~1).
0819456837
Codemard, Christophe A.
3aa50483-b61c-4e7e-b178-c9a88bb47bef
Hickey, Louise M.B.
e52aa43f-5ced-476a-9fae-c8205f2fd5a4
Yelen, Kuthan
e365b41d-7e7e-4988-bfea-a5e2b79d0b78
Soh, Daniel B.S.
ae529451-c40d-4f98-91fa-219fbf0065db
Wixey, Rachel
84f9172d-6b39-4cc8-b57e-2e4b7cc11d72
Coker, Mark
ac00d181-5fd4-4a1d-8f1e-51d2e0c4d2b3
Zervas, Mikhail N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Nilsson, Johan
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Codemard, Christophe A.
3aa50483-b61c-4e7e-b178-c9a88bb47bef
Hickey, Louise M.B.
e52aa43f-5ced-476a-9fae-c8205f2fd5a4
Yelen, Kuthan
e365b41d-7e7e-4988-bfea-a5e2b79d0b78
Soh, Daniel B.S.
ae529451-c40d-4f98-91fa-219fbf0065db
Wixey, Rachel
84f9172d-6b39-4cc8-b57e-2e4b7cc11d72
Coker, Mark
ac00d181-5fd4-4a1d-8f1e-51d2e0c4d2b3
Zervas, Mikhail N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Nilsson, Johan
f41d0948-4ca9-4b93-b44d-680ca0bf157b

Codemard, Christophe A., Hickey, Louise M.B., Yelen, Kuthan, Soh, Daniel B.S., Wixey, Rachel, Coker, Mark, Zervas, Mikhail N. and Nilsson, Johan (2004) 400mW 1060nm ytterbium doped fiber DFB laser. SPIE 5335 : Photonics West 2004: Lasers and Applications in Science and Engineering, San José, USA. 25 - 31 Jan 2004. 9 pp . (doi:10.1117/12.527972).

Record type: Conference or Workshop Item (Paper)

Abstract

We report for the first time, more than 400mW of output power at 1056.1nm from a distributed feedback (DFB) fiber laser. The DFB fiber laser comprises a simple pi-phase-shifted Bragg grating written into a photosensitive ytterbium-doped fiber. The laser operates with a single longitudinal mode at a wavelength defined by the phase shift and the grating period. Without any internal polarisation selection mechanism, the cavity supports orthogonal polarisation modes, which operate simultaneously. The DFB fiber laser was pumped by a 976nm amplified spontaneous emission (ASE) source based on a ytterbium doped jacketed air clad (JAC) fiber pumped by a 915nm multimode laser diode source. An output of 400mW at 1056.1nm was obtained from the output port while 70mW was obtained from the other port, when pumped with 1.5W of 976nm radiation. The total output from the DFB fiber laser was approximately linear with increasing pump power and the overall performance was limited by the available pump power. The spectral characteristics and signal to noise ratio remained similar over the pump power range. The output of the DFB was in single-mode fiber (ie. M2~1).

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e-pub ahead of print date: 2004
Venue - Dates: SPIE 5335 : Photonics West 2004: Lasers and Applications in Science and Engineering, San José, USA, 2004-01-25 - 2004-01-31

Identifiers

Local EPrints ID: 41747
URI: http://eprints.soton.ac.uk/id/eprint/41747
ISBN: 0819456837
PURE UUID: 468d85f2-a2ee-4616-ada6-24eb4c641b0f
ORCID for Mikhail N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059
ORCID for Johan Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

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Date deposited: 18 Oct 2006
Last modified: 07 Oct 2020 03:22

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Contributors

Author: Christophe A. Codemard
Author: Louise M.B. Hickey
Author: Kuthan Yelen
Author: Daniel B.S. Soh
Author: Rachel Wixey
Author: Mark Coker
Author: Johan Nilsson ORCID iD

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