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Applied Optics

Applied Optics


  • Vol. 31, Iss. 21 — Jul. 20, 1992
  • pp: 4161–4164

Stability analysis for grating-tuned strong-external-feedback semiconductor lasers

Haiyin Sun, Reinald Ries, and David D. Liu  »View Author Affiliations

Applied Optics, Vol. 31, Issue 21, pp. 4161-4164 (1992)

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We give a simple stability analysis within the scope of steady-state solution for the grating-tuned strong-external-feedback semiconductor lasers. In our model, a fluctuation in the refractive index of an active medium through the coupling of carrier density will cause another fluctuation in the refractive index. If the latter is always smaller than the former, the fluctuation will be damped, and therefore the corresponding operating point of the laser is stable. Our analysis indicates that there are various stable and unstable operating-frequency ranges for various reflectivities of the internal facet of the laser diode. In addition, it agrees well with the experimental results and explains the bistability of threshold gain versus operating frequency.

© 1992 Optical Society of America

Original Manuscript: March 23, 1990
Published: July 20, 1992

Haiyin Sun, Reinald Ries, and David D. Liu, "Stability analysis for grating-tuned strong-external-feedback semiconductor lasers," Appl. Opt. 31, 4161-4164 (1992)

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