He worked as a lecturer/assistant professor at Kathmandu University and as a research associate in the Physics Department at Kansas State University. He joined Brooklyn College as an assistant professor of physics in 2007. His research interest is in experimental semiconductor physics. His research focused on the development of semiconductor materials for photonic applications. His research work has contributed in the development of AlGaN- and AlN-based deep ultraviolet (UV) light emitting diodes and photodetectors. He has published about 50 papers and has a pending patent application on UV light emission technology.