Md. Nazmus Sakib is a researcher with interests in photonics, optical biosensors, and computational electromagnetics. His research primarily focuses on photonic crystal fiber (PCF)-based biosensors, plasmonic sensing technologies, and numerical modeling using COMSOL Multiphysics. His work aims to develop highly sensitive and selective optical sensing platforms for biomedical and chemical applications by integrating advanced photonic structures with nanomaterials. He is particularly interested in biosensor optimization, refractive index sensing, and interdisciplinary research at the intersection of photonics, materials science, and biomedical engineering. His long-term research goal is to contribute to the development of next-generation optical sensing technologies for healthcare and environmental monitoring.