Design of intersubband quantum well far infrared lasers

Xin, Zhi-Jun and Rutt, H.N. (1997) Design of intersubband quantum well far infrared lasers. Semiconductor Science and Technology, 12, (9), 1129-1134. (doi:10.1088/0268-1242/12/9/011).


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A strongly asymmetric stepped and a parallel quantum well (QW) far-infrared laser structure are proposed. The QWs have been carefully tailored so that the subband wavefunction features favour population inversion. The overlap ratios of the pump light and the lasing light with the QW layer can be improved by placing a thin germanium layer on top of the structures. As a result, the predicted threshold pump powers are reduced

Item Type: Article
Digital Object Identifier (DOI): doi:10.1088/0268-1242/12/9/011
ISSNs: 0268-1242 (print)
1361-6641 (electronic)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 77759
Accepted Date and Publication Date:
September 1997Published
Date Deposited: 11 Mar 2010
Last Modified: 31 Mar 2016 13:12

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