I have 33 years of experience, and specialize in the field of photonics, nanotechnology with specific knowledge in the areas of semiconductor devices, nanostrcuture devices and infrared and TeraHertz technology. I have published on such topics as lasers, detectors, sensors and transistors. My research over the last 30 years has revolutionized the design of many semconductor devices, resulting in over 60 US patents and recipient of major awards.