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Intersubband gain without global inversion through dilute nitride band engineering

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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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: Schools > College of Science & Technology > School of Computing, Science and Engineering > Salford Innovation Research Centre (SIRC)
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 14:40
Last Modified: 29 Oct 2015 00:11

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