Abstract
Terahertz waves focus onto nano antennas, resulting in field enhancements of 100-10,000. Kirchhoff integral and Poynting theorem will be used to decipher energy-field relationships, and Fermi’s golden-rule will lead to giant terahertz molecular cross sections. 150-word Biography: Dai-Sik Kim is a professor of physics at Seoul National University. He heads Center for Subwavelength Optics, funded by the National Research Foundation. He got his B. S. in physics from Seoul National University (1985). He obtained M. A. degree in biophysics (1986) and Ph. D. in physics (1990), both from U. C. Berkeley. He continued to work on ultrafast spectroscopy of semiconductors at AT&T Bell Laboratories (Holmdel) and at Oklahoma State University (Stillwater), before he joined the physics department of Seoul National University. His current research interests include terahertz spectroscopy of metal nanostructuresand nano antennas on dielectric substrate or strongly correlated systems such as VO2, where l/10.000-l/1,000,000 feature sizes are routine. Another interest of his is the detection of the magnetic field of light. He is an OSA fellow and an APS fellow.
© 2013 Optical Society of America
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