Title :
Terahertz surface plasmon polaritons on metal and semiconductor surfaces
Author :
Kuttge, M. ; Rivas, J. Gómez ; Saxler, J. ; Bolívar, P. Haring ; Kurz, H.
Author_Institution :
Inst. fur Halbeitertech., Rheinisch-Westfalische Tech. Hochschule, Aachen, Germany
fDate :
27 Sept.-1 Oct. 2004
Abstract :
We present measurements of surface plasmon polaritons (SPPs) at terahertz frequencies. SPPs are generated by coupling THz radiation into semiconductor surfaces and flat gold surfaces coated with a dielectric film. In this way, we can strongly confine SPPs to the surface, as it is required to perform sensitive spectroscopy. We also show that the measurements of the propagation of SPPs on semiconductors and on periodically structured semiconductor surfaces as a step towards plasmonic structures.
Keywords :
dielectric thin films; elemental semiconductors; gold; periodic structures; polaritons; silicon; submillimetre wave spectra; surface plasmons; Au; Si; THz radiation coupling; coupling terahertz radiation; dielectric film; flat gold surfaces; metal surfaces; periodic structures; plasmonic structures; semiconductor surfaces; terahertz surface plasmon polaritons; Apertures; Dielectric measurements; Frequency; Gold; Laser beams; Optical surface waves; Permittivity; Plasmons; Spectroscopy; Surface emitting lasers;
Conference_Titel :
Infrared and Millimeter Waves, 2004 and 12th International Conference on Terahertz Electronics, 2004. Conference Digest of the 2004 Joint 29th International Conference on
Print_ISBN :
0-7803-8490-3
DOI :
10.1109/ICIMW.2004.1422205
