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    Hot phonon effect in resonant-phonon-assisted terahertz quantum-cascade lasers

    Hot phonon effect in resonant-phonon-assisted terahertz quantum-cascade lasers


    We have studied the hot electron and phonon transport in resonant-phonon-assisted terahertz (THz) quantum-cascade lasers (QCLs) by using the semiclassical Monte Carlo method. The hot phonon effect is included in the Monte Carlo simulation by introducing a time constant accounting for the decay of polar optical phonons into other phonon modes. It is found that nonequilibrium polar optical phonons may modify the electron-phonon interaction, affect the electron distribution in different subbands, and consequently change the device current.

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    Titel :

    Hot phonon effect in resonant-phonon-assisted terahertz quantum-cascade lasers

    Beteiligte:
    Lu, J. T. (Autor:in) / Cao, J. C. (Autor:in)
    Erschienen in:

    2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics ; 41

    Erscheinungsdatum :

    2006-09-01

    Format / Umfang :

    1136651 byte

    ISBN :

    1-4244-0400-2 , 1-4244-0399-5

    DOI :

    https://doi.org/10.1109/ICIMW.2006.368250

    Medientyp :

    Aufsatz (Konferenz)

    Format :

    Elektronische Ressource

    Sprache :

    Englisch

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