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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 6 — Mar. 20, 2006
  • pp: 2158–2163

10 GHz pulses generated across a ~100 nm tuning range using a gain-shifted mode-locked SOA ring laser

W. W. Tang, M. P. Fok, and Chester Shu  »View Author Affiliations

Optics Express, Vol. 14, Issue 6, pp. 2158-2163 (2006)

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Widely-tunable picosecond pulses have been generated from a harmonically mode-locked semiconductor optical amplifier (SOA) ring laser with a center wavelength spanning from 1491 to 1588 nm. An intra-cavity birefringence loop mirror filter is used to define a 1.6 nm comb that governs the wavelength spacing of the tunable output pulses. The filter also serves to control the spectral gain profile of the laser cavity and thus extends the tuning range. By exploiting the spectral shift of the SOA gain with different amount of optical feedback, the output can be obtained over a wide wavelength range. Applying mode-locking together with the dispersion tuning approach, 10 GHz picosecond pulses have been successfully generated over a tuning range of 97 nm.

© 2006 Optical Society of America

OCIS Codes
(140.3600) Lasers and laser optics : Lasers, tunable
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 15, 2005
Revised Manuscript: January 16, 2006
Manuscript Accepted: March 2, 2006
Published: March 20, 2006

W. W. Tang, M. Fok, and Chester Shu, "10 GHz pulses generated across a ~100 nm tuning range using a gain-shifted mode-locked SOA ring laser," Opt. Express 14, 2158-2163 (2006)

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