Dr. A A Bazil Raj obtained his B.E in Electronics and Communication Engineering from Bharathidasan University and M.E and Ph.D degrees in related fields from Anna University. He has worked in research on free space optical communication and as a faculty member teaching and researching laser communication. He has published 4 books and 33 scientific papers, and has experience reviewing journals and serving on editorial boards. His research interests include various areas of digital signal processing, optics, hardware design, and instrumentation.