Mid-infrared photoconductivity in self-assembled InAs quantum dots is reported. By embedding the InAs dots in an AlxGa1-xAs matrix, normal incidence photoconductivity has been observed at a range of wavelengths in the mid-infrared and is attributed to single carrier transitions out of the dots. The optical response of the quantum dots is investigated for several different dot structures.
All Science Journal Classification (ASJC) codes
- Physics and Astronomy (miscellaneous)