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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 12 — Jun. 15, 2007
  • pp: 1635–1637

Stable and continuous wavelength tuning of a hybrid semiconductor laser with an erbium-doped fiber external cavity

Runnan Liu, Irina A. Kostko, Ke Wu, and Raman Kashyap  »View Author Affiliations

Optics Letters, Vol. 32, Issue 12, pp. 1635-1637 (2007)

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We present an experimental study of tuning characteristics and wavelength stability of a 1490 nm doped fiber external cavity laser. The standing wave in the erbium-doped fiber in an external-cavity laser causes spatial hole burning and absorption modulation and forms a dynamic grating. The dynamic grating can effectively suppress side modes and eliminate wavelength fluctuations in the laser. The operating wavelength of this hybrid laser is shown for the first time to our knowledge to be smoothly tunable by changing the semiconductor laser drive current or temperature.

© 2007 Optical Society of America

OCIS Codes
(060.2410) Fiber optics and optical communications : Fibers, erbium
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3600) Lasers and laser optics : Lasers, tunable

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 9, 2007
Revised Manuscript: April 11, 2007
Manuscript Accepted: April 12, 2007
Published: June 5, 2007

Runnan Liu, Irina A. Kostko, Ke Wu, and Raman Kashyap, "Stable and continuous wavelength tuning of a hybrid semiconductor laser with an erbium-doped fiber external cavity," Opt. Lett. 32, 1635-1637 (2007)

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