Open AccessElectromagnetic wave propagation in a Ag nanoparticle-based plasmonic power divider
Author(s) -
Iftikhar Ahmed,
Ching Eng Png,
ErPing Li,
R. Vahldieck
Publication year - 2009
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.17.000337
Subject(s) - finite difference time domain method , materials science , plasmon , nanoparticle , optics , power dividers and directional couplers , polarization (electrochemistry) , surface plasmon , wavelength , electromagnetic radiation , optoelectronics , nanotechnology , physics , chemistry
In this paper a new silver (Ag) nanoparticle-based structure is presented which shows potential as a device for front end applications, in nano-interconnects or power dividers. A novel oxide bar ensures waveguiding and control of the signal strength with promising results. The structure is simulated by the two dimensional finite difference time domain (FDTD) method considering TM polarization and the Drude model. The effect of different wavelengths, material loss, gaps and particle sizes on the overall performance is discussed. It is found that the maximum signal strength remains along the Ag metallic nanoparticles and can be guided to targeted end points.