Abstract
Lasing at 3.075 μm (T = 60 K) in a regime of pulsed injection pumping has been obtained in an AlGaAsSb/InAs/CdMgSe double hybrid heterostructure with the active region comprising an InAs layer with submonolayer InSb insets. The electroluminescence (EL) spectrum of the heterostructure has been studied for various values of the pumping current up to the stimulated emission threshold. An increase in the pumping current leads to a short-wavelength shift and a change in the EL band structure, which is explained by the occupation of higher states by the charge carriers in InSb quantum dots and/or in the adjacent InAsSb layer.
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 31, No. 6, 2005, pp. 37–42.
Original Russian Text Copyright © 2005 by Solov’ev, Sedova, Lyublinskaya, Semenov, Mel’tser, Sorokin, Terent’ev, Ivanov.
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Solov’ev, V.A., Sedova, I.V., Lyublinskaya, O.G. et al. Midinfrared injection-pumped laser based on a III–V/II–VI hybrid heterostructure with submonolayer InSb insets. Tech. Phys. Lett. 31, 235–237 (2005). https://doi.org/10.1134/1.1894443
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DOI: https://doi.org/10.1134/1.1894443