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    Room-temperature operation of discrete-mode InGaAs-AlAsSb quantum-cascade laser with emission at ?=3.3 µm

    Access Status
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    Authors
    Phelan, R.
    Slight, T.
    Kelly, B.
    O'Carroll, J.
    McKee, A.
    Revin, D.
    Zhang, S.
    Krysa, A.
    Kennedy, K.
    Cockburn, J.
    Ironside, Charlie
    Meredith, W.
    O'Gorman, J.
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Phelan, R. and Slight, T. and Kelly, B. and O'Carroll, J. and McKee, A. and Revin, D. and Zhang, S. et al. 2010. Room-temperature operation of discrete-mode InGaAs-AlAsSb quantum-cascade laser with emission at ?=3.3 µm. IEEE Photonics Technology Letters. 22 (17): pp. 1273-1275.
    Source Title
    IEEE Photonics Technology Letters
    DOI
    10.1109/LPT.2010.2053529
    ISSN
    1041-1135
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/8324
    Collection
    • Curtin Research Publications
    Abstract

    Discrete-mode quantum-cascade lasers have been developed in the InGaAsAlAsSbInP materials system. For an uncoated 10-µm-wide ridge waveguide and 3000-µm-long cavity, the laser had a threshold current density J th of 4.2 kA·cm2 {Ith}=1.5 A)at 300 K with a slope efficiency of 80 mW/A. A stable single-mode emission near 3.3 µm with a sidemode suppression ratio of nearly 25 dB was observed and a tuning coefficient of 0.22 nm/K was obtained in the temperature range of 253 K < T <303 K. © 2006 IEEE.

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