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Optical and Quantum Electronics

, Volume 38, Issue 4–6, pp 369–379 | Cite as

Carrier Dynamics and Saturation Effect in (113)B InAs/InP Quantum Dot Lasers

  • K. Veselinov
  • F. Grillot
  • P. Miska
  • E. Homeyer
  • P. Caroff
  • C. Platz
  • J. Even
  • X. Marie
  • O. Dehaese
  • S. Loualiche
  • A. Ramdane
Article

Abstract

Quantum dot (QD) lasers exhibit many interesting and useful properties such as low threshold current, temperature insensitivity or chirpless behavior. In order to reach the standards of long-haul optical transmissions, 1.55 μm InAs QD lasers on InP substrate have been developed. Based on time resolved photoluminescence (PL) measurements, carrier dynamics behavior is at first investigated. Electroluminescence (EL) results are then shown at room temperature exhibiting a laser emission centered at 1.61 μm associated to a threshold current density as low as 820 A/cm2 for a six InAs QD stacked layers. Finally, a rate equation model based on the reservoir theory is used to model both time-resolved photoluminescence (TRPL) and electroluminescence results. It is shown that carrier dynamic calculations are in a good agreement with measurements since the saturation effect occurring at high injected power is clearly predicted.

Keywords

carrier dynamics quantum dots rate equation semiconductor laser 

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Copyright information

© Springer 2006

Authors and Affiliations

  • K. Veselinov
    • 1
  • F. Grillot
    • 1
  • P. Miska
    • 2
  • E. Homeyer
    • 1
  • P. Caroff
    • 1
  • C. Platz
    • 1
  • J. Even
    • 1
  • X. Marie
    • 3
  • O. Dehaese
    • 1
  • S. Loualiche
    • 1
  • A. Ramdane
    • 4
  1. 1.Laboratoire d’Etude des Nanostructures à SemiconducteursUMR CNRS 6082, Institut National des Sciences AppliquéesRennes CedexFrance
  2. 2.Laboratoire de Physique des MatériauxUMR CNRS, Université Henri Poincaré Nancy IVandoeuvre-lès-NancyFrance
  3. 3.Laboratoire de Nanophysique, Magnétisme et OptoélectroniqueINSAToulouseFrance
  4. 4.Laboratoire de Photonique et NanostructuresUPR CNRS 20MarcoussisFrance

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