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Title: Groove-gratings to optimize the electric field enhancement in a plasmonic nanoslit-cavity
Authors: Chen, Chang ×
Verellen, Niels
Lodewijks, Kristof
Lagae, Liesbet
Maes, Guido
Borghs, Gustaaf
Van Dorpe, Pol #
Issue Date: Aug-2010
Publisher: American Institute of Physics
Series Title: Journal of applied physics vol:108 issue:3 pages:1-8
Article number: 034319
Abstract: We study the spectral properties of a triangular plasmonic nanoslit-cavity with periodic triangular grooves to optimize the field enhancement inside the nanoslit. This work is mainly based on numerical calculations and also partly supported by experimental evidence. In the nanoslit-cavity, we can distinguish following three main contributions to the field enhancement: electrostatic interaction in the nanoslit, surface plasmon polariton standing waves in the cavity and excitation, and reflection of surface plasmon polaritons by the grating. The importance of phase matching between surface plasmons generated at the nanoslit and the gratings is also investigated in order to optimize the local field intensity in the nanoslit. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3457017]
ISSN: 0021-8979
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Associated Section of ESAT - INSYS, Integrated Systems
Solid State Physics and Magnetism Section
Semiconductor Physics Section
Quantum Chemistry and Physical Chemistry Section
× corresponding author
# (joint) last author

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