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Analysis of W-type waveguide for Nd-doped fiber laser operating near 940nm

Analysis of W-type waveguide for Nd-doped fiber laser operating near 940nm
Analysis of W-type waveguide for Nd-doped fiber laser operating near 940nm
We propose a three-layered W-type structure for laser fiber to facilitate the three-level radiative transition near 940 nm region of Nd ion, while suppressing the competing four-level transition near 1060 nm by introducing a novel highly wavelength selective loss mechanism. In order to achieve a net gain around 940 nm, requirements in fiber waveguide parameters for the LP01 mode cut-off and bending loss were theoretically investigated. The waveguide designs were experimentally confirmed generating stable CW single mode output power of 705 mW.
Nd-doped fiber, fiber laser, w-type fiber
0030-4018
153-162
Yoo, Seongwoo
701b31f4-b8c5-42ff-9e1c-12cbffa4ca1c
Soh, Daniel B.S.
ae529451-c40d-4f98-91fa-219fbf0065db
Kim, J.
21f4bbd0-f650-4fb1-b35c-664a18c05dcd
Jung, Yongmin
6685e51e-be47-4c96-8c4b-65aee3b5126d
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Lee, Jhang W.
a7bb566d-3d1c-496c-8113-a5893232e344
Oh, K.
ff932b80-766b-4376-b26f-d4b7d2919a46
Yoo, Seongwoo
701b31f4-b8c5-42ff-9e1c-12cbffa4ca1c
Soh, Daniel B.S.
ae529451-c40d-4f98-91fa-219fbf0065db
Kim, J.
21f4bbd0-f650-4fb1-b35c-664a18c05dcd
Jung, Yongmin
6685e51e-be47-4c96-8c4b-65aee3b5126d
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Sahu, J.K.
009f5fb3-6555-411a-9a0c-9a1b5a29ceb2
Lee, Jhang W.
a7bb566d-3d1c-496c-8113-a5893232e344
Oh, K.
ff932b80-766b-4376-b26f-d4b7d2919a46

Yoo, Seongwoo, Soh, Daniel B.S., Kim, J., Jung, Yongmin, Nilsson, J., Sahu, J.K., Lee, Jhang W. and Oh, K. (2005) Analysis of W-type waveguide for Nd-doped fiber laser operating near 940nm. Optics Communications, 247 (1-3), 153-162. (doi:10.1016/j.optcom.2004.11.037).

Record type: Article

Abstract

We propose a three-layered W-type structure for laser fiber to facilitate the three-level radiative transition near 940 nm region of Nd ion, while suppressing the competing four-level transition near 1060 nm by introducing a novel highly wavelength selective loss mechanism. In order to achieve a net gain around 940 nm, requirements in fiber waveguide parameters for the LP01 mode cut-off and bending loss were theoretically investigated. The waveguide designs were experimentally confirmed generating stable CW single mode output power of 705 mW.

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More information

Published date: 2005
Keywords: Nd-doped fiber, fiber laser, w-type fiber

Identifiers

Local EPrints ID: 30215
URI: https://eprints.soton.ac.uk/id/eprint/30215
ISSN: 0030-4018
PURE UUID: 0fdc6e68-6810-4e88-98ab-dc1e1adb954b
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

Catalogue record

Date deposited: 11 May 2006
Last modified: 18 Jul 2019 01:08

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