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Physics Colloquium

Time-resolved optical spectroscopy techniques are used to explore carrier recombination dynamics in semiconductor heterostructures designed for ultraviolet devices. With the availability of high-quality bulk substrates, structural defects no longer dominate device performance and more fundamental process can be studied.

Garrett is a research physicist in the Electo-Optics and Photonics Dicision of the U.S. Army Research Laboratory. He currently leads basic research activities to develop physical models that explain carrier dynamics in novel IIInitride semiconductors, with the goal of bridging the gap between materials growth and device performance.