Dr.Nagarajan Nallusamy joined as a research associate in CPPICS in March 2022. Before this, he worked as a research associate in BITS Pilani, Rajasthan, in HEMT inspired GaN optical waveguides for high-pressure sensing applications. He completed his Ph.D. from SASTRA deemed University, Thanjavur, Tamil Nadu. His doctoral work mainly focused on modulational instability/FWM process-based sensors using photonic crystal fibers. Apart from the research he interested in Tamil archaeology findings, photography and trekking.