Title :
Non-resonant enhancement of terahertz field by a nano-slit
Author :
Kang, Ji-Hun ; Kim, Dai Sik ; Park, Q-Han
Author_Institution :
Dept. of Phys., Korea Univ., Seoul, South Korea
Abstract :
We demonstrate non-resonant enhancement of terahertz field by a nano-slit. Rigorous diffraction theory reveals that extreme sub-wavelength slit enables the field enhancement of thousands, and finite-difference time-domain (FDTD) analysis confirms that.
Keywords :
finite difference time-domain analysis; gold; metallic thin films; nanostructured materials; plasmonics; surface plasmons; terahertz waves; Au; FDTD analysis; finite-difference time-domain analysis; gold film; nanoslit; nonresonant enhancement; rigorous diffraction theory; sub-wavelength slit; terahertz field; Boundary conditions; Conductors; Electromagnetic diffraction; Electromagnetic fields; Finite difference methods; Optical films; Optical surface waves; Physics; Resonance; Time domain analysis; enhancement; resonance; slit; terahertz;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292364
