M. Sumathi received the B.E degree in Electronics and Communication Engineering from PSG College of Technology, Coimbatore, India in 1992 and the M.E degree in Optical Communication from College of Engineering, Guindy, Chennai, India in 2004. Currently she is pursuing her doctoral degree under Anna University, Chennai, India. She was a recipient of the post graduate scholarship, sponsored by the Government of India, from 2002 to 2004. From 1992 to 1993 she worked as Systems Analyst at Sonata Software Limited, Bangalore, India. She joined Sona College of Technology, Salem as lecturer in 1999, where she is currently Assistant Professor in the department of Electronics and Communication Engineering. Her research interest includes WDM networks, optical communication, and computer networks. She is a member of OSA and ISTE.