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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 1 — Jan. 10, 2005
  • pp: 210–215

Single-transverse-mode Ti:sapphire rib waveguide laser

C. Grivas, D. P. Shepherd, T. C. May-Smith, R. W. Eason, and M. Pollnau  »View Author Affiliations


Optics Express, Vol. 13, Issue 1, pp. 210-215 (2005)
http://dx.doi.org/10.1364/OPEX.13.000210


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Abstract

Laser operation of Ti:sapphire rib waveguides fabricated using photolithography and ion beam etching in pulsed laser deposited layers is reported. Polarized laser emission was observed at 792.5 nm with an absorbed pump power threshold of 265 mW, which is more than a factor of 2 lower in comparison to their planar counterparts. Measured beam propagation factors Mx2 and My2 of 1.3 and 1.2, respectively, indicated single-transverse-mode emission. A quasi-cw output power of 27 mW for an absorbed pump power of 1W and a slope efficiency of 5.3% were obtained using an output coupler of 4.6% transmission with a pump duty cycle of 8%.

© 2005 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(140.3570) Lasers and laser optics : Lasers, single-mode
(230.7380) Optical devices : Waveguides, channeled
(310.1860) Thin films : Deposition and fabrication

ToC Category:
Research Papers

History
Original Manuscript: December 1, 2004
Revised Manuscript: December 28, 2004
Manuscript Accepted: December 29, 2004
Published: January 10, 2005

Citation
C. Grivas, D. P. Shepherd, T. C. May-Smith, R. W. Eason, and M. Pollnau, "Single-transverse-mode Ti:sapphire rib waveguide laser," Opt. Express 13, 210-215 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-1-210


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References

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