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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), pp. 1129-1134. (doi:10.1088/0268-1242/12/9/011).

Record type: Article


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

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Published date: September 1997


Local EPrints ID: 77759
ISSN: 0268-1242
PURE UUID: 38784d0d-6216-49b7-b28c-40da57d868b6

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:29

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Author: Zhi-Jun Xin
Author: H.N. Rutt

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