Abstract
Effect of componental composition of quantum-well heterostructures’ barrier waveguide layers in GaAs–AlxGa1−xAs system on the polarization degree of spontaneous and stimulated radiations is investigated. It is shown, that given x at frequencies near the basic optical transitions, a spontaneous radiation polarization degree sign change occurs. In the oscillating mode, depending on a waveguide layer componental composition, the generation of the entirely polarized radiation of TEor TM-type is possible.
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