Dr. Sayak Bhattacharya obtained his PhD from Dept. of Electrical Engineering, IIT Delhi in 2016. Before joining IIIT Delhi, he was appointed as a Postdoctoral Fellow in Prof. Sajeev John’s group at the University of Toronto since 2016. His current research focus is light-trapping and energy harvesting in ultra-thin, flexible, silicon photonic crystal solar cells. His broad area of interest is designing semiconductor devices that rely on photonic crystal mediated strong light-matter interaction. He is the recipient of SPIE Best Student Paper Award in the 12th International Conference on Fiber Optics and Photonics, 2014. His paper (co-authored with Prof. John), “Designing High-Efficiency Thin Silicon Solar Cells Using Parabolic-Pore Photonic Crystals", has been featured as Editor’s Suggestion in the April, 2018 issue of Physical Review Applied for illustrating a roadmap towards 28−29% conversion efficiency (well beyond the current world-record efficiency of 26.7%) in silicon solar cells. He has served as a reviewer for Renewable & Sustainable Energy Reviews.