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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 30, Iss. 3 — Feb. 1, 2005
  • pp: 272–274

2.1-W picosecond passively mode-locked external-cavity semiconductor laser

A. Aschwanden, D. Lorenser, H. J. Unold, R. Paschotta, E. Gini, and U. Keller  »View Author Affiliations


Optics Letters, Vol. 30, Issue 3, pp. 272-274 (2005)
http://dx.doi.org/10.1364/OL.30.000272


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Abstract

We demonstrate an optically pumped passively mode-locked external-cavity semiconductor laser generating 4.7-ps pulses at 957 nm with as much as 2.1 W of average output power and a 4-GHz repetition rate. Compared with earlier results, the chirp of the pulses has been greatly reduced by use of an intracavity etalon. Apart from restricting the bandwidth, the etalon also helps optimize wavelength-dependent gain parameters and dispersion.

© 2005 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.5960) Lasers and laser optics : Semiconductor lasers
(140.7090) Lasers and laser optics : Ultrafast lasers

Citation
A. Aschwanden, D. Lorenser, H. J. Unold, R. Paschotta, E. Gini, and U. Keller, "2.1-W picosecond passively mode-locked external-cavity semiconductor laser," Opt. Lett. 30, 272-274 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-3-272

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