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.
Subjects outside of the University Themes
|Schools:||Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre (SIRC)|
|Journal or Publication Title:||Applied Physics Letters|
|Publisher:||American Institute of Physics|
|Depositing User:||Prof Stanko Tomic|
|Date Deposited:||25 Oct 2011 14:40|
|Last Modified:||29 Oct 2015 00:11|
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