He received his B.Sc. from Bangladesh University of Engineering and Technology (2000), M. A. Sc. from the University of Victoria (2003), and Ph.D. from the University of Toronto (2012). As part of his Ph.D. research, he proposed the hybrid plasmonic waveguide which stimulated worldwide research activity. In recognition of the impact of his research he received the Douglas R. Colton Medal for Research, which is given to one researcher every year in Canada. Subsequently he worked as a postdoctoral fellow at the University of Toronto and Caltech. He was also a visiting researcher at Jet Propulsion Laboratory and Lawrence Berkeley National Laboratory.