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Low phonon energy Nd:LaF3 channel waveguide lasers fabricated by molecular beam epitaxy

Low phonon energy Nd:LaF3 channel waveguide lasers fabricated by molecular beam epitaxy
Low phonon energy Nd:LaF3 channel waveguide lasers fabricated by molecular beam epitaxy
We report the first fabrication and laser operation of channel waveguides based on LaF3 planar thin films grown by molecular beam epitaxy. To our knowledge, this is the lowest phonon energy dielectric material to have shown guided-wave laser operation to date. A full characterization, in terms of spectroscopy, laser results, and propagation losses, is given for the planar thin films upon which the channel waveguides are based. Two channel-fabrication methods are then described, the first involves ion milling and the second takes the novel approach of using a photo-definable polymer overlay. Laser operation in Nd-doped samples is demonstrated at 1.06, 1.05, and 1.3 µm, and the potential for mid-infrared laser sources based on such guides is discussed.
epitaxial growth, lasers, optical strip waveguides, waveguides
0018-9197
1469-1477
Bhutta, T.
6e32b59c-cd48-4454-9378-a7a8ab10d28e
Chardon, A.M.
0ed30ece-5a60-4ed1-a21b-38cb0da4fd6c
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Daran, E.
85e99bdf-124c-4950-9660-5ad7d555c799
Serrano, C.
2d3edd5c-6808-4ce5-886f-b12a6b859a6b
Munoz-Yague, A.
6c8566c4-57b9-4b15-a428-9570ce2bdf89
Bhutta, T.
6e32b59c-cd48-4454-9378-a7a8ab10d28e
Chardon, A.M.
0ed30ece-5a60-4ed1-a21b-38cb0da4fd6c
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Daran, E.
85e99bdf-124c-4950-9660-5ad7d555c799
Serrano, C.
2d3edd5c-6808-4ce5-886f-b12a6b859a6b
Munoz-Yague, A.
6c8566c4-57b9-4b15-a428-9570ce2bdf89

Bhutta, T., Chardon, A.M., Shepherd, D.P., Daran, E., Serrano, C. and Munoz-Yague, A. (2001) Low phonon energy Nd:LaF3 channel waveguide lasers fabricated by molecular beam epitaxy. IEEE Journal of Quantum Electronics, 37 (11), 1469-1477. (doi:10.1109/3.958380).

Record type: Article

Abstract

We report the first fabrication and laser operation of channel waveguides based on LaF3 planar thin films grown by molecular beam epitaxy. To our knowledge, this is the lowest phonon energy dielectric material to have shown guided-wave laser operation to date. A full characterization, in terms of spectroscopy, laser results, and propagation losses, is given for the planar thin films upon which the channel waveguides are based. Two channel-fabrication methods are then described, the first involves ion milling and the second takes the novel approach of using a photo-definable polymer overlay. Laser operation in Nd-doped samples is demonstrated at 1.06, 1.05, and 1.3 µm, and the potential for mid-infrared laser sources based on such guides is discussed.

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Published date: 2001
Keywords: epitaxial growth, lasers, optical strip waveguides, waveguides

Identifiers

Local EPrints ID: 13691
URI: http://eprints.soton.ac.uk/id/eprint/13691
ISSN: 0018-9197
PURE UUID: 17ee866c-da97-4168-89a2-4b8ac8af0b00
ORCID for D.P. Shepherd: ORCID iD orcid.org/0000-0002-4561-8184

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Date deposited: 22 Dec 2004
Last modified: 16 Mar 2024 02:39

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Contributors

Author: T. Bhutta
Author: A.M. Chardon
Author: D.P. Shepherd ORCID iD
Author: E. Daran
Author: C. Serrano
Author: A. Munoz-Yague

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