Title :
Resonant field enhancement in periodically arranged microslits for non-linear terahertz spectroscopy
Author :
Klarskov, Pernille ; Iwaszczuk, K. ; Zalkovskij, Maksim ; Malureanu, Radu ; Jianming Dai ; Zhang, X.-C. ; Jepsen, Peter Uhd
Author_Institution :
DTU Fotonik - Dept. of Photonics Eng., Tech. Univ. of Denmark, Lyngby, Denmark
Abstract :
We present a design of periodically arranged microslits in a gold film for nonlinear terahertz phonon spectroscopy. Global optimization of array parameters gives a field enhancement of more than 50, due to plasmonic coupling between individual slits.
Keywords :
gold; phonon spectra; plasmonics; terahertz spectroscopy; Au; array parameter global optimization; gold film; nonlinear terahertz phonon spectroscopy; nonlinear terahertz spectroscopy; periodically arranged microslits; plasmonic coupling; resonant field enhancement; Educational institutions; Films; Gold; Optimization; Phonons; Resonant frequency; Spectroscopy;
Conference_Titel :
Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 39th International Conference on
Conference_Location :
Tucson, AZ
DOI :
10.1109/IRMMW-THz.2014.6956325
