Bistability and nonlinear gain in 1.55 μm vertical cavity semiconductor optical amplifiers: theory and experiments

Antonio Hurtado, Ian D. Henning, Michael J. Adams

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We report experimental measurements of power and wavelength optical bistability and nonlinear gain in two 1.55 μm vertical-cavity semiconductor optical amplifiers operated in reflection. Anticlockwise and clockwise nonlinear switching and bistability, both with high on-off contrast ratio up to 3.5:1, have been observed in the optical power and wavelength domains. Theoretical modeling gives excellent agreement with the experimental measurements.

Original languageEnglish
Article number151106
Number of pages3
JournalApplied Physics Letters
Issue number15
Publication statusPublished - 8 Oct 2007


  • gain control
  • light reflection
  • measurement theory
  • nonlinear analysis
  • optical bistability
  • switching

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