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Waveguide lasers in ytterbium-doped tantalum pentoxide on silicon

Waveguide lasers in ytterbium-doped tantalum pentoxide on silicon
Waveguide lasers in ytterbium-doped tantalum pentoxide on silicon
A waveguide laser in an ytterbium-doped tantalum pentoxide film is reported. The waveguide is formed of a rib of sputtered tantalum pentoxide on top of oxidized silicon with an over-cladding of silica. Emission at a wavelength of 1025nm was achieved with an absorbed pump power threshold and slope efficiency of ˜29mW and 27%, respectively, for a cavity formed by a high reflector mirror and an estimated 12% Fresnel reflection from the bare end-face at the output.
0146-9592
2549-2552
Aghajani, A.
4602c567-ed8e-4538-9d34-efde7db06dbb
Murugan, G.S.
a867686e-0535-46cc-ad85-c2342086b25b
Sessions, N.P.
ee737092-56b4-403e-a2f9-764e07e42625
Apostolopoulos, V.
8a898740-4c71-4040-a577-9b9d70530b4d
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Aghajani, A.
4602c567-ed8e-4538-9d34-efde7db06dbb
Murugan, G.S.
a867686e-0535-46cc-ad85-c2342086b25b
Sessions, N.P.
ee737092-56b4-403e-a2f9-764e07e42625
Apostolopoulos, V.
8a898740-4c71-4040-a577-9b9d70530b4d
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca

Aghajani, A., Murugan, G.S., Sessions, N.P., Apostolopoulos, V. and Wilkinson, J.S. (2015) Waveguide lasers in ytterbium-doped tantalum pentoxide on silicon. Optics Letters, 40 (11), 2549-2552. (doi:10.1364/OL.40.002549).

Record type: Article

Abstract

A waveguide laser in an ytterbium-doped tantalum pentoxide film is reported. The waveguide is formed of a rib of sputtered tantalum pentoxide on top of oxidized silicon with an over-cladding of silica. Emission at a wavelength of 1025nm was achieved with an absorbed pump power threshold and slope efficiency of ˜29mW and 27%, respectively, for a cavity formed by a high reflector mirror and an estimated 12% Fresnel reflection from the bare end-face at the output.

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Accepted/In Press date: 5 May 2015
e-pub ahead of print date: 8 May 2015
Published date: 22 May 2015
Organisations: Optoelectronics Research Centre, Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 376753
URI: https://eprints.soton.ac.uk/id/eprint/376753
ISSN: 0146-9592
PURE UUID: f48cff26-7bb4-45c9-8edd-8e354f99565b
ORCID for G.S. Murugan: ORCID iD orcid.org/0000-0002-2733-3273
ORCID for V. Apostolopoulos: ORCID iD orcid.org/0000-0003-3733-2191
ORCID for J.S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697

Catalogue record

Date deposited: 16 Jun 2015 08:35
Last modified: 07 Aug 2019 00:55

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Contributors

Author: A. Aghajani
Author: G.S. Murugan ORCID iD
Author: N.P. Sessions
Author: J.S. Wilkinson ORCID iD

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