• DocumentCode
    2247308
  • Title

    Carrier dynamics investigation in a quantum cascade laser using Mid-IR femtosecond pulses

  • Author

    Liu, Sheng ; Lalanne, Elaine ; Johnson, Anthony ; Liu, Peter Q. ; Gmachl, Claire

  • Author_Institution
    Dept. of Phys., Univ. of Maryland, Baltimore County, Baltimore, MD, USA
  • fYear
    2011
  • fDate
    1-6 May 2011
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    In a room temperature 4.5 μm QCL resonantly pumped with fs Mid-IR pulses, we observe an ultrafast gain recovery within the first 200 fs, gain oscillation within the 1 ps and a slower gain recovery of lifetime ~2-3 ps.
  • Keywords
    high-speed optical techniques; optical pumping; quantum cascade lasers; carrier dynamics investigation; mid-IR femtosecond pulses; quantum cascade laser; time 1 ps; time 2 ps to 3 ps; time 200 fs; wavelength 4.5 mum; Optical pulses; Optical pumping; Optical superlattices; Probes; Quantum cascade lasers; Stimulated emission; Ultrafast optics;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2011 Conference on
  • Conference_Location
    Baltimore, MD
  • Print_ISBN
    978-1-4577-1223-4
  • Type

    conf

  • Filename
    5950908
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2247308