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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 9 — Mar. 19, 2004
  • pp: 1902–1906

Mode-Locked Ytterbium Fiber Lasers

Lasse Orsila, Luís A. Gomes, Ning Xiang, Tomi Jouhti, and Oleg G. Okhotnikov  »View Author Affiliations


Applied Optics, Vol. 43, Issue 9, pp. 1902-1906 (2004)
http://dx.doi.org/10.1364/AO.43.001902


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Abstract

A compact fiber laser is demonstrated with use of a Gires-Tournois compensator and a short length (2–4 cm-long) of highly doped ytterbium (Yb) fiber providing net anomalous group-velocity dispersion. With use of a novel semiconductor saturable absorber mirror based on GaInNAs structure, self-started 1.5-ps-pulse mode-locked operation was obtained at 1023 nm with a repetition rate of 95 MHz. A mode-locked Yb-doped fiber laser was developed without the use of any dispersion compensation technique. Overall group-velocity dispersion was minimized by using a short length of highly doped Yb fiber in a compact amplifying loop cavity. Self-started mode-locked operation was obtained in 980–1030-nm wavelength range with a fundamental repetition rate of 140 MHz.

© 2004 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW

Citation
Lasse Orsila, Luís A. Gomes, Ning Xiang, Tomi Jouhti, and Oleg G. Okhotnikov, "Mode-Locked Ytterbium Fiber Lasers," Appl. Opt. 43, 1902-1906 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-9-1902

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