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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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 > Advanced Coatings and Composites 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:	18 Mar 2021 19:00
URI:	https://shura.shu.ac.uk/id/eprint/8972

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