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Photoluminescence properties of dilute nitride InNAs/InGaAs/InP multi-quantum wells for mid-infrared applications

Sun, H.D. and Clark, A.H. and Calvez, S. and Dawson, M.D. and Shih, D.K. and Lin, H.H. (2005) Photoluminescence properties of dilute nitride InNAs/InGaAs/InP multi-quantum wells for mid-infrared applications. In: International Conference on Indium Phosphide and Related Materials, 2005-05-08 - 2005-05-12, Glasgow.

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Abstract

We report the photoluminescence characterization of a series InNAs/InGaAs multi-quantum wells (MQWs) of various N content on InP substrates. The emission wavelength of these QWs can be tuned effectively by N content. However, the bowing effect is weaker than in GaNAs and GaInNAs. The optical properties of these hetero-structures are closely related to quality of the interface between the barriers and the QWs which is influenced by N content. Two effects of N in this material system have been clarified. On the one hand, the incorporation of N into InAs matrix is beneficial as far as the reduction of band-gap and the lattice constant are concerned. On the other hand, the PL efficiency increases dramatically with the increase of N content. Optimized design and growth could be achieved by trading off between these two effects

Item type: Conference or Workshop Item (Paper)
ID code: 38081
Keywords: photoluminescence properties , dilute nitride, InNAs/InGaAs/InP , multi-quantum wells, mid-infrared applications , Physics
Subjects: Science > Physics
Department: Faculty of Science > Institute of Photonics
Unknown Department
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 01 Mar 2012 16:31
    Last modified: 17 Jul 2013 15:21
    URI: http://strathprints.strath.ac.uk/id/eprint/38081

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