Pankaj K. Choudhury received a Ph.D. degree in Physics in 1992. From 1992 to 1997 he was a Research Associate in the Department of Electronics Engineering at the Institute of Technology, Banaras Hindu University (Varanasi, India). In 1997 he joined the Department of Physics at Goa University (Goa, India) as a Lecturer. In late 1999, he became a Researcher at the Center of Optics, Photonics and Lasers, Laval University (Quebec, Canada). From 2000 to 2003, he was with the Faculty of Engineering, Gunma University (Kiryu, Japan) as a Researcher. In May 2003, he received the position of Professor at the Faculty of Engineering, Multimedia University (Cyberjaya, Malaysia) where he was until late 2009. During the span, he also served the Telekom Research and Development (TMR&D, Malaysia) as a consultant. In late 2009, he became Professor at the Institute of Microengineering and Nanoelectronics, 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 fifty research papers in peer-reviewed international journals and conference proceedings; contributed chapters to seventeen research level books; edited and co-edited seven research level books in these areas. He is the reviewer for nearly four dozen research journals. Also, he serves the Editorial Board of International Journal of Humanitarian Technology (Inderscience Publishers, Switzerland). He is the Section Editor of Optik – International Journal for 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 IEEE, OSA and SPIE.
On the power distributions in elliptical and circular helically designed chiral nihility core optical fibers