Satyendra Kumar Mishra received his Ph.D. in Physics from IIT Delhi in 2015, following degrees in Physics and Nanotechnology from DDU Gorakhpur University and Jamia Millia Islamia. He has held postdoctoral and research positions at City University of Hong Kong, Texas A&M University, Baylor University, ÉTS Montreal, and Laval University. Currently, he is a Senior Researcher at the Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), Barcelona, Spain. He has authored over 120 journal and conference publications and holds one pending patent. His research focuses on quantum communication, quantum sensors, optical communication, vortex beams, fiber/waveguide sensors, photodetectors, and metasurfaces. He also serves as an Editor for IEEE Sensors Journal, Scientific Reports, and Light: Science & Applications – Discover.