Title :
Funneling of terahertz electromagnetic waves through nanogap device
Author :
Seo, M.A. ; Park, H.R. ; Koo, S.M. ; Park, N.K. ; Suwal, O.K. ; Choi, S.S. ; Kim, D.S.
Author_Institution :
Dept. of Phys. & Astron., Seoul Nat. Univ., Seoul, South Korea
Abstract :
We show that terahertz waves transmit through a lambda/30,000 nanogap separating two conducting planes. The field enhancement responsible for the light funneling has a 1/f dependence, which originates from the charging time of the gap.
Keywords :
light propagation; submillimetre wave propagation; conducting planes; light funneling; nanogap device; terahertz electromagnetic waves funneling; Apertures; Electromagnetic scattering; Finite difference methods; Frequency; Gold; Nanoscale devices; Physics; Resonance; Spectroscopy; Time domain analysis; (040.2235) Far infrared or terahertz;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8