Arjun Kumar received the B.Tech. and M.Tech. in electronics and communication engineering from U.P.Technical University of India and Graphic Era University of India, in 2004 and 2010, respectively. He received PhD degree at Microwave and Millimeter wave Laboratory,from Indian Institute of Technology Roorkee of India, in 2014, is currently working as Post Doctoral Fellow at Korea University, Korea. His research interest include microwave and millimeter-wave integrated circuits at Terahertz frequency.