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Room-temperature continuous-wave operation of Ti:sapphire buried channel-waveguide lasers fabricated via proton implantation

Room-temperature continuous-wave operation of Ti:sapphire buried channel-waveguide lasers fabricated via proton implantation
Room-temperature continuous-wave operation of Ti:sapphire buried channel-waveguide lasers fabricated via proton implantation
Fabrication and laser operation of proton-implanted Ti:sapphire buried channel waveguides is reported for the first time to our knowledge. Without any post-implantation annealing of the structures, continuous laser operation near 780 nm was demonstrated at room temperature at an absorbed pump power threshold of 230 mW. Single-transverse-mode laser emission was observed with measured beam propagation factors M of 1.5 and 1.2, respectively. An output power of 12.4 mW for 1-W pump power was obtained with an output coupler of 4.6% transmission at the signal wavelength. Higher output powers were measured in waveguides with larger cross-sections exhibiting multimode laser emission.
0146-9592
3450-3452
Grivas, C.
7f564818-0ac0-4127-82a7-22e87ac35f1a
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Laversenne, L.
08bf9feb-0fb3-49de-b3bd-3973083145da
Moretti, P.
db8ce131-9f64-437a-a419-10d3f6563ca0
Borca, C.N.
ae17633e-464e-4ee6-bfa7-9f4326817680
Pollnau, M.
1094856b-791a-4050-98d9-c07777d5f0f5
Grivas, C.
7f564818-0ac0-4127-82a7-22e87ac35f1a
Shepherd, D.P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Laversenne, L.
08bf9feb-0fb3-49de-b3bd-3973083145da
Moretti, P.
db8ce131-9f64-437a-a419-10d3f6563ca0
Borca, C.N.
ae17633e-464e-4ee6-bfa7-9f4326817680
Pollnau, M.
1094856b-791a-4050-98d9-c07777d5f0f5

Grivas, C., Shepherd, D.P., Eason, R.W., Laversenne, L., Moretti, P., Borca, C.N. and Pollnau, M. (2006) Room-temperature continuous-wave operation of Ti:sapphire buried channel-waveguide lasers fabricated via proton implantation. Optics Letters, 31 (23), 3450-3452. (doi:10.1364/OL.31.003450).

Record type: Article

Abstract

Fabrication and laser operation of proton-implanted Ti:sapphire buried channel waveguides is reported for the first time to our knowledge. Without any post-implantation annealing of the structures, continuous laser operation near 780 nm was demonstrated at room temperature at an absorbed pump power threshold of 230 mW. Single-transverse-mode laser emission was observed with measured beam propagation factors M of 1.5 and 1.2, respectively. An output power of 12.4 mW for 1-W pump power was obtained with an output coupler of 4.6% transmission at the signal wavelength. Higher output powers were measured in waveguides with larger cross-sections exhibiting multimode laser emission.

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Published date: December 2006

Identifiers

Local EPrints ID: 46910
URI: http://eprints.soton.ac.uk/id/eprint/46910
ISSN: 0146-9592
PURE UUID: 9ca0c65a-1bc0-4979-8230-be78183a64dc
ORCID for D.P. Shepherd: ORCID iD orcid.org/0000-0002-4561-8184
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

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Date deposited: 24 Jul 2007
Last modified: 19 Jun 2021 01:33

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Contributors

Author: C. Grivas
Author: D.P. Shepherd ORCID iD
Author: R.W. Eason ORCID iD
Author: L. Laversenne
Author: P. Moretti
Author: C.N. Borca
Author: M. Pollnau

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