I have 30 years of experience, and specialize in the field of semiconductors, telecom, electronics, optics, and biomedical engineering with specific knowledge in the area of semiconductors, devices, material processing, lasers, detectors, modulators, CMOS, LEDS, GaAs, GaN, silicon, graphene, carbon nanotubes, infrared detection, and imaging. I have published on these topics in more than 250 papers in refereed science and engineering journals.