Effect of composition of barrier layers region on polarization radiation characteristics of quantum-well heterolaser

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 TE-or TM-type is possible.