Dharmendra Kumar received his M.Tech. and Ph.D. degrees from IIT (ISM) Dhanbad, India, in 2011 and 2016, respectively. He was with Madam Mohan Malaviya University of Technology (MMMUT), Gorakhpur, Uttar Pradesh, India, from 2016 to 2024. He is currently an Associate Professor in the Department of Electronics and Communication Engineering at Guru Ghasidas Vishwavidyalaya (a Central University), Bilaspur, Chhattisgarh. Dr.
Kumar has expertise in photonic crystal fibers, optical fiber sensors, and nanophononics. He is a Senior Member of IEEE and a Senior Member of the Optical Society of America (OPTICA). He has been granted three patents and has authored over 80 research papers in prestigious SCI journals and conferences. Dr. Kumar has made significant contributions to academia through his mentorship, having successfully guided four Ph.D. scholars and currently supervising six Ph.D.
students. He has also mentored over 19 M.Tech. students. Dr. Kumar has delivered numerous invited talks and served as a session chair at prominent IEEE conferences. Moreover, he has been instrumental in organizing national and international conferences, faculty development programs, and technical events. Santosh Kumar (Fellow of SPIE) received his Ph.
D. degree from IIT (ISM) Dhanbad, India, in 2014. He was with Liaocheng University, Liaocheng, China, from 2018 to 2023. He is currently a Professor in the Department of Electronics and Communication Engineering at Koneru Lakshmaiah Education Foundation, Vaddeswaram, India. With extensive research experience, he has supervised 20 M.Tech. dissertations and seven Ph.D.
candidates. His contributions to the field include the publication of over 450 research articles in prestigious SCI journals and conferences. He has presented his research at conferences in India, China, Belgium, and the USA, demonstrating his global reach. He was recently granted a patent for his groundbreaking optical fiber sensing technology. With expertise in electronics, communication engineering, and physics, his research focuses on WaveFlex biosensors, fiber optic sensors, photonics and plasmonic devices, nano- and biophotonics, waveguides, interferometers, and the Internet of Things. Through fruitful collaborations with renowned universities in India, China, Portugal, Iraq, Kazakhstan, Brazil, and Italy, he conducts cutting-edge scientific research. Dr. Kumar is a Fellow of SPIE, a Fellow of IETE, a Life Fellow Member of the Optical Society of India (OSI), and a Senior Member of IEEE, OPTICA, and SPIE.
He also serves as an OPTICA Traveling Lecturer. In recognition of his contributions, he has been appointed Chair of the OPTICA Optical Biosensor Technical Group and Associate Editor for the IEEE Internet of Things Journal and Biomedical Optics Express.