Pankaj Kumar Choudhury received Ph.D. degree in Physics in 1992. During 1992–1997, he was a Research Associate in Banaras Hindu University (India). In 1997 he joined Goa University (India) as a Lecturer, where he was until 1999. During the late 1999 he became Researcher at the COPL, Laval University (Canada). During 2000–2003 he was a Researcher in Gunma University (Japan). In May 2003 he became Professor in Multimedia University (Malaysia) where he was until the late 2009. During the span, he also served the Telekom Research and Development (Malaysia) as a consultant. During the late 2009 he became Professor at the IMEN, Universiti Kebangsaan Malaysia (The National University of Malaysia, Malaysia).
His current research interests lie in the theory of optical waveguides, which include complex mediums, fiber and integrated optics, fiber optic devices, optical sensors and metamaterial properties. He has published over two hundred research papers; contributed chapters to ten research level books; edited and co-edited three research level books in these areas.
He is the reviewer for more than a couple of dozen research journals. Also, he is the Section Editor of Optik – The International Journal of Light and Electron Optics (Elsevier, The Netherlands) and the Editor-in-Chief of the Journal of Electromagnetic Waves and Applications (Taylor & Francis, UK).
He is Senior Member of the Institute of Electrical & Electronics Engineers (IEEE), the Optical Society of America (OSA), and the Society of Photo-Optical and Instrumentation Engineers (SPIE). Also, he is a Traveling Lecturer of the Optical Society of America.