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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 20 — Oct. 2, 2006
  • pp: 9299–9306

Wide and fast wavelength-tunable mode-locked fiber laser based on dispersion tuning

Shinji Yamashita and Masahiro Asano  »View Author Affiliations

Optics Express, Vol. 14, Issue 20, pp. 9299-9306 (2006)

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We demonstrate a wide and fast wavelength-tunable mode-locked fiber laser based on tuning the mode-locking frequency. The laser is in a sigma-laser configuration, and a wideband semiconductor optical amplifier (SOA) at 1.3 µm wavelength region is used as a gain medium. Mode locking is achieved by direct modulation of the injection current to the SOA, and a dispersion compensation fiber (DCF) is used to provide desired intracavity dispersion. By tuning the modulation frequency, a wide tuning range over 100 nm is achieved. Lasing wavelength is measured to be linearly in proportion to the RF frequency applied to the SOA. The sweep rate over the entire wavelength range (100 nm) can be raised to be as high as 200 kHz.

© 2006 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3600) Lasers and laser optics : Lasers, tunable

ToC Category:
Lasers and Laser Optics

Original Manuscript: May 31, 2006
Revised Manuscript: September 22, 2006
Manuscript Accepted: September 22, 2006
Published: October 2, 2006

Shinji Yamashita and Masahiro Asano, "Wide and fast wavelength-tunable mode-locked fiber laser based on dispersion tuning," Opt. Express 14, 9299-9306 (2006)

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