Prof. Dr. Md. Shamim Ahsan is currently serving as a Professor at the Electronics and Communication Engineering (ECE) Discipline, Khulna University, Bangladesh. He holds the position of Treasurer at the Pabna University of Science and Technology (PUST), Bangladesh. Since 2003, Prof. Ahsan served as a Lecturer, Assistant Professor, and Associate Professor at the ECE Discipline, Khulna University, Bangladesh. He served as the Head of ECE Discipline, Khulna University, Bangladesh. He also worked as a Postdoctoral Researcher at the Advanced Photonics Research Institute (APRI), Gwangju Institute of Science and Technology (GIST), Republic of Korea in 2013 and Information and Communications Research Institute of Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea during 2012–2013. Prof. Ahsan received his BSc. Engineering degree from ECE Discipline, Khulna University, Bangladesh in 2003 and MS/PhD (Integrated) degree from KAIST, Republic of Korea in 2012. His research works are focused on the laser processing of materials, photonic devices, passive optical networks, optical communication, and drones/robots development. Prof. Ahsan has published more than 115 publications as books, book chapters, journals, and conference proceedings. He was engaged as Principal Investigator/Investigator in more than 10 national/international projects. Prof. Ahsan also served as Guest Editor/Reviewer of many journals/conferences and organized many international conferences.