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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 11 — Jun. 1, 2009
  • pp: 1672–1674

High-power quantum-dot-based semiconductor disk laser

M. Butkus, K. G. Wilcox, J. Rautiainen, O. G. Okhotnikov, S. S. Mikhrin, I. L. Krestnikov, A. R. Kovsh, M. Hoffmann, T. Südmeyer, U. Keller, and E. U. Rafailov  »View Author Affiliations


Optics Letters, Vol. 34, Issue 11, pp. 1672-1674 (2009)
http://dx.doi.org/10.1364/OL.34.001672


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Abstract

We demonstrate multiwatt cw output power from an optically pumped quantum-dot semiconductor disk laser. Continuous-wave output power of 4.35 W with 22% slope efficiency was demonstrated at a center wavelength of 1032 nm . This represents an increase in power of 15 times and an increase in slope efficiency of 10 times from the previously published results using Stranski–Krastanow grown quantum dots. An intracavity diamond heat spreader was used for thermal management. The maximum output power was limited by the available pump power, and no sign of thermal rollover was observed.

© 2009 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.5960) Lasers and laser optics : Semiconductor lasers
(140.7270) Lasers and laser optics : Vertical emitting lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 4, 2009
Revised Manuscript: April 17, 2009
Manuscript Accepted: April 23, 2009
Published: May 27, 2009

Citation
M. Butkus, K. G. Wilcox, J. Rautiainen, O. G. Okhotnikov, S. S. Mikhrin, I. L. Krestnikov, A. R. Kovsh, M. Hoffmann, T. Südmeyer, U. Keller, and E. U. Rafailov, "High-power quantum-dot-based semiconductor disk laser," Opt. Lett. 34, 1672-1674 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-11-1672


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