Abstract

In the first part of this paper we discuss the optimization of the growth conditions of molecular beam epitaxy GaSb layers. Then we present preliminary results for GaSbAlSb multiple quantum wells which have one excitonic absorption line peaking at about 1.5 μm at room temperature. Finally we present a 10 pair Bragg reflector which shows 97% reflectivity. These preliminary results allow the GaSbAlSb system to be considered for optoelectronic devices.

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