Engineering intersubband population inversion with dilute nitrides

RAZEGHI, Manijeh, PEREIRA, Mauro, TOMIC, Stanko, SUDHARSANAN, Rengarajan and BROWN, Gail J. (2011). Engineering intersubband population inversion with dilute nitrides. Spie Proceeding, 7945, 79450T-79450T.

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Official URL: http://dx.doi.org/10.1117/12.873563
Link to published version:: https://doi.org/10.1117/12.873563
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    Abstract

    In this paper we investigate the possibility of producing local population inversion that can lead to lasing without inversion by engineering the conduction band effective masses in dilute nitride structures so that the upper lasing subband has an effective mass considerably smaller than the lower lasing subband that could not be obtained in usual IIIV materials. This analysis is the first step towards possible far infrared dilute nitride based quantum cascade lasers that could benefit from the gain without inversion effect to operate at higher temperatures.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
    Identification Number: https://doi.org/10.1117/12.873563
    Page Range: 79450T-79450T
    Depositing User: Helen Garner
    Date Deposited: 10 Dec 2014 11:22
    Last Modified: 13 Jun 2017 13:24
    URI: http://shura.shu.ac.uk/id/eprint/8972

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