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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 18 — Sep. 15, 2010
  • pp: 3027–3029

Femtosecond (191 fs) NaY ( WO 4 ) 2 Tm,Ho-codoped laser at 2060 nm

A. A. Lagatsky, X. Han, M. D. Serrano, C. Cascales, C. Zaldo, S. Calvez, M. D. Dawson, J. A. Gupta, C. T. A. Brown, and W. Sibbett  »View Author Affiliations

Optics Letters, Vol. 35, Issue 18, pp. 3027-3029 (2010)

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We report, for the first time to our knowledge, femtosecond-pulse operation of a Tm , Ho : NaY ( WO 4 ) 2 laser at around 2060 nm . Transform-limited 191 fs pulses are produced with an average output power of 82 mW at a 144 MHz pulse repetition frequency. Maximum output power of up to 155 mW is generated with a corresponding pulse duration of 258 fs . An ion-implanted InGaAsSb quantum-well-based semiconductor saturable absorber mirror is used for passive mode-locking maintenance.

© 2010 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers
(160.5690) Materials : Rare-earth-doped materials
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 2, 2010
Revised Manuscript: August 10, 2010
Manuscript Accepted: August 10, 2010
Published: September 2, 2010

A. A. Lagatsky, X. Han, M. D. Serrano, C. Cascales, C. Zaldo, S. Calvez, M. D. Dawson, J. A. Gupta, C. T. A. Brown, and W. Sibbett, "Femtosecond (191 fs) NaY(WO4)2 Tm,Ho-codoped laser at 2060 nm," Opt. Lett. 35, 3027-3029 (2010)

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