Title :
High-Q THz Fano resonance in concentric ring apertures
Author :
Shu, Jie ; Xu, Qianfan
Author_Institution :
Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX, USA
Abstract :
We show a sharp Fano resonance when terahertz waves pass through two concentric ring apertures in a metal film. A high-Q and intensive dark mode is indirectly excited by coupling to a low-Q bright mode.
Keywords :
nanophotonics; surface plasmon resonance; terahertz spectroscopy; concentric ring apertures; high-Q THz fanoresonance; intensive dark mode; low-Q bright mode; metal film; terahertz waves pass; Analytical models; Apertures; Couplings; Films; Metals; Plasmons; Resonant frequency;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
