Title :
Terahertz modulation using micro- and nano- apertures on VO2 thin film
Author :
Seo, M.A. ; Kyoung, J.S. ; Park, H.R. ; Koo, S.M. ; Park, N.K. ; Lim, Y.S. ; Kim, D.S.
Author_Institution :
Dept. of Phys. & Astron., Seoul Nat. Univ., Seoul, South Korea
Abstract :
We report on the terahertz modulation based on the micro- and nano- sized apertures with metal-insulator phase transition of VO2 thin film. Terahertz wave transmission through subwavelength apertures is controlled by temperature driven refractive index change of VO2 substrate.
Keywords :
metal-insulator transition; refractive index; terahertz wave spectra; thin films; vanadium compounds; VO2; metal-insulator phase transition; microapertures; nanoapertures; refractive index change; terahertz modulation; terahertz wave transmission; thin film; Aluminum oxide; Apertures; Dielectric substrates; Dielectric thin films; Frequency; Optical films; Optical modulation; Resonance; Temperature; Transistors;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves, 2009. IRMMW-THz 2009. 34th International Conference on
Conference_Location :
Busan
Print_ISBN :
978-1-4244-5416-7
Electronic_ISBN :
978-1-4244-5417-4
DOI :
10.1109/ICIMW.2009.5324716