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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 23 — Dec. 1, 2011
  • pp: 4581–4583

Femtosecond high-power spontaneous mode-locked operation in vertical-external cavity surface-emitting laser with gigahertz oscillation

Y. F. Chen, Y. C. Lee, H. C. Liang, K. Y. Lin, K. W. Su, and K. F. Huang  »View Author Affiliations


Optics Letters, Vol. 36, Issue 23, pp. 4581-4583 (2011)
http://dx.doi.org/10.1364/OL.36.004581


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Abstract

We realize a femtosecond high-power spontaneous mode-locked operation with gigahertz oscillation in a vertical-external cavity surface-emitting laser under the condition of eliminating the internal and external unwanted reflection. We find that the reflectivity of the output coupler has a significant influence not only on the output power but also on the output pulse duration. With an incident pump power of 20 W , we have achieved 2.35 W of average output power with 778 fs pulse duration at a repetition rate of 2.17 GHz . The shortest pulse duration was 654 fs at an average output power of 0.45 W .

© 2011 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.7270) Lasers and laser optics : Vertical emitting lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 22, 2011
Revised Manuscript: October 11, 2011
Manuscript Accepted: October 24, 2011
Published: November 25, 2011

Citation
Y. F. Chen, Y. C. Lee, H. C. Liang, K. Y. Lin, K. W. Su, and K. F. Huang, "Femtosecond high-power spontaneous mode-locked operation in vertical-external cavity surface-emitting laser with gigahertz oscillation," Opt. Lett. 36, 4581-4583 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-23-4581

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