Md. Rajibur Rahaman Khan received both BSc (Honours) and MSc with first class in Applied Physics, Electronics and Communication Engineering from Islamic University, Kushtia, Bangladesh in 2003 and 2005, respectively. He obtained his PhD degree in Electronics Engineering (major in semiconductor and display engineering) from Kyungpook National University, Daegu, South Korea in 2014. Dr. Khan is currently, a postdoctoral researcher at the School of Electronics Engineering, Kyungpook National University, Daegu, South Korea. He has published 8 research articles in international journal of repute. He also has published more than 13 international conference papers. His research interests include electronics circuit design, bio-electronic circuit, fiber-optic gas and taste sensors, fiber-optic array sensing system design, interdigitated electrode based sensors, and biosensors