**Authors:** X. Zheng, V. K. Valev, N. Verellen, V. Volskiy, P. Van Dorpe, G. A. E.Vandenbosch and V. V. Moshchalkov

**Source:** FERMAT, Volume 4, Article 4, Jul-Aug., 2014

**Abstract:** This paper provides a summary review of our
group’s work on the modeling of nanoantennas. By utilizing a
Volumetric Method of Moments (V-MoM) algorithm, we
solve the light-nanoantenna problem on three different levels:
I) the most general solution to Maxwell’s equations, i.e. the
linear response of a nanoantenna to a given incident light and
a specific frequency; II) an incident light independent solution,
i.e. the frequency dependent eigenmodes of a nanoantenna
and III) an solution that is both excitation and frequency
independent, i.e. the natural mode of a nanoantenna. Through
such a treatment, a set of tools that can systematically treat the
interaction of light with a nanoantenna is developed and is
hoped to pave the road for the future nanoantenna design.

**Index Terms:** Nanoantennas, Volumetric Method of
Moments (V-MoM), Eigenmode Expansion Method (EEM),
Natural Frequency Analysis.

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