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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 7 — Apr. 3, 2006
  • pp: 2950–2955

The linewidth enhancement factor α of quantum dot semiconductor lasers

Sergey Melnik, Guillaume Huyet, and Alexander V. Uskov  »View Author Affiliations


Optics Express, Vol. 14, Issue 7, pp. 2950-2955 (2006)
http://dx.doi.org/10.1364/OE.14.002950


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Abstract

We show that the various techniques commonly used to measure the linewidth enhancement factor can lead to different values when applied to quantum dot semiconductor lasers. Such behaviour is a direct consequence of the intrinsic capture/escape dynamics of quantum dot materials and of the free carrier plasma effects. This provides an explanation for the wide range of values experimentally measured and the linewidth re-broadening recently measured.

© 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:
Optoelectronics

History
Original Manuscript: February 6, 2006
Revised Manuscript: March 20, 2006
Manuscript Accepted: March 20, 2006
Published: April 3, 2006

Citation
Sergey Melnik, Guillaume Huyet, and Alexander Uskov, "The linewidth enhancement factor α of quantum dot semiconductor lasers," Opt. Express 14, 2950-2955 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-7-2950


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