Kiwon Moon received the B.S. and M.S. degrees and the Ph.D. in electrical engineering from the Pohang University of Science and Technology (POSTECH), Pohang, Rep. of Korea, in 1998, 2000, and 2011, respectively. He worked for Samsung Electro-Mechanics from 2000 to 2005, specializing in the design and epitaxial growth of visible laser diodes and blue light emitting diodes. He is currently working for ETRI, where his main research interests are in spectroscopic terahertz near-field microscopes, real-time terahertz imaging using the asynchronous optical sampling technique, and terahertz devices including photoconductive antennas, and photomixers using plasmonic nano-structures.