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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 17 — Sep. 1, 2010
  • pp: 2916–2918

Kerr-lens mode locking with minimum nonlinearity using gain‐matched output couplers

Li-Jin Chen, Michelle Y. Sander, and Franz X. Kärtner  »View Author Affiliations


Optics Letters, Vol. 35, Issue 17, pp. 2916-2918 (2010)
http://dx.doi.org/10.1364/OL.35.002916


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Abstract

Broadband Kerr-lens mode locking is demonstrated at greatly reduced mode-locking strength with a gain-matched output coupler that compensates for gain filtering. Already at very low pump powers, slightly above the cw lasing threshold, we are able to initiate robust mode locking and generate < 8 fs output pulses from a Ti:sapphire laser with good beam quality. Because dielectric coatings offer flexible design capabilities, this approach is applicable to various lasers with different gain media to extract pulses covering the full gain spectrum with minimum saturable absorber action.

© 2010 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(320.7090) Ultrafast optics : Ultrafast lasers
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Ultrafast Optics

History
Original Manuscript: June 15, 2010
Manuscript Accepted: July 20, 2010
Published: August 24, 2010

Citation
Li-Jin Chen, Michelle Y. Sander, and Franz X. Kärtner, "Kerr-lens mode locking with minimum nonlinearity using gain-matched output couplers," Opt. Lett. 35, 2916-2918 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-17-2916

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