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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 23 — Dec. 1, 2006
  • pp: 3450–3452

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

C. Grivas, D. P. Shepherd, R. W. Eason, L. Laversenne, P. Moretti, C. N. Borca, and M. Pollnau  »View Author Affiliations


Optics Letters, Vol. 31, Issue 23, pp. 3450-3452 (2006)
http://dx.doi.org/10.1364/OL.31.003450


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Abstract

Fabrication and laser operation of proton-implanted Ti:sapphire buried channel waveguides is reported for the first time to our knowledge. Without any postimplantation 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 M2x and M2y 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.

© 2006 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.3590) Lasers and laser optics : Lasers, titanium
(230.7370) Optical devices : Waveguides
(230.7380) Optical devices : Waveguides, channeled
(350.3850) Other areas of optics : Materials processing

ToC Category:
Integrated Optics

History
Original Manuscript: July 3, 2006
Revised Manuscript: August 29, 2006
Manuscript Accepted: September 8, 2006
Published: November 9, 2006

Citation
C. Grivas, D. P. Shepherd, R. W. Eason, L. Laversenne, P. Moretti, C. N. Borca, and M. Pollnau, "Room-temperature continuous-wave operation of Ti:sapphire buried channel-waveguide lasers fabricated via proton implantation," Opt. Lett. 31, 3450-3452 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-23-3450


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