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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 8 — Mar. 10, 2007
  • pp: 1283–1289

Analysis of distributed-feedback lasers with fractionally organized gratings

Haroldo T. Hattori, Vitor M. Schneider, and Carmem Lúcia Barbosa  »View Author Affiliations

Applied Optics, Vol. 46, Issue 8, pp. 1283-1289 (2007)

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We analyze the performance of distributed-feedback lasers with special grating structures. These grating structures consist of subgratings with different lengths (that are integer multiples of a reference length) and∕or different phase shifts (that are also integer multiples of a reference phase shift). These grating structures can provide transmission peaks with high quality factors, which may be useful for distributed-feedback lasers. To assess the usefulness of these devices, threshold and steady-state analysis are performed for a few selected examples. A given design example is shown to provide a low threshold without major variations in photon density along the device.

© 2007 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(140.3490) Lasers and laser optics : Lasers, distributed-feedback

Original Manuscript: June 9, 2006
Manuscript Accepted: October 26, 2006
Published: February 20, 2007

Haroldo T. Hattori, Vitor M. Schneider, and Carmem Lúcia Barbosa, "Analysis of distributed-feedback lasers with fractionally organized gratings," Appl. Opt. 46, 1283-1289 (2007)

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