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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 22 — Oct. 30, 2006
  • pp: 10831–10837

Feedback induced instabilities in a quantum dot semiconductor laser

Olwen Carroll, Ian O’Driscoll, Stephen P. Hegarty, Guillaume Huyet, John Houlihan, Evgeny A. Viktorov, and Paul Mandel  »View Author Affiliations

Optics Express, Vol. 14, Issue 22, pp. 10831-10837 (2006)

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We analyse the properties of GaAs based quantum dot semiconductor lasers emitting near 1310 nm. The line-width enhancement factor is shown to depend strongly on device temperature, ranging from 1.5 at 20° C to 5 at 50° C. With optical feedback from a distant reflector, devices remained stable at 20° C but displayed a range of instabilities at 50° C, including irregular power drop–outs and periodic pulsations, before entering a chaotic regime. Such dynamical features are unique to quantum dot lasers – quantum well lasers are significantly more unstable under optical feedback making such a clear route to chaos difficult to observe.

© 2006 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.5960) Lasers and laser optics : Semiconductor lasers
(250.0250) Optoelectronics : Optoelectronics

ToC Category:

Original Manuscript: July 7, 2006
Revised Manuscript: September 6, 2006
Manuscript Accepted: September 8, 2006
Published: October 30, 2006

Olwen Carroll, Ian O'Driscoll, Stephen P. Hegarty, Guillaume Huyet, John Houlihan, Evgeny A. Viktorov, and Paul Mandel, "Feedback induced instabilities in a quantum dot semiconductor laser," Opt. Express 14, 10831-10837 (2006)

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