Vasilyev, Yu. B. and Solovev, V. A. and Meltser, B. Ya. and Semenov, A. N. and Ivanov, S. V. and Kopev, P. S. and Ulbrich, N. and Abstreiter, Gerhard and Amann, A.-C. and Schmult, Stefan and Wegscheider, Werner
Electrically tunable mid-infrared electroluminescence from graded cascade structures.
Applied Physics Letters 83 (15), pp. 3015-3017.
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Mid-infrared electroluminescence (EL) is observed from multiperiod bilayer type-II InAs/AlGaSb structures with the effective interlayer separation controlled by bias. The emission with powers in the microwatt range is characterized by a linear dependence of the photon energy on the bias. By measuring the temperature and current dependence of EL, we find evidence that the EL emission results from ...
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