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Intersubband gain without global inversion through dilute nitride band engineering

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Pereira, M and Tomic, S 2011, 'Intersubband gain without global inversion through dilute nitride band engineering' , Applied Physics Letters, 98 (6) , 061101.

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    Abstract

    We investigate the possibility of interconduction band gain without global inversion by engineering the conduction band effective masses so that the upper lasing subband has an effective mass considerably smaller than the lower lasing subband that could not be obtained in conventional III-V materials. We recover the expected dispersive gain shape for similar masses and contrasting results if the effective masses characterizing the relevant subbands are very different.

    Item Type: Article
    Themes: Energy
    Subjects outside of the University Themes
    Schools: Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre
    Journal or Publication Title: Applied Physics Letters
    Publisher: American Institute of Physics
    Refereed: Yes
    ISSN: 0003-6951
    Depositing User: Prof Stanko Tomic
    Date Deposited: 25 Oct 2011 15:40
    Last Modified: 25 Oct 2011 15:40
    URI: http://usir.salford.ac.uk/id/eprint/18648

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