Directional in-coupling of light into a single-mode Si x N y waveguide is demonstrated using
a single subwavelength asymmetrically shaped metallic nanoantenna. In simulation as well …

An optical antenna forms the subwavelength bridge between free space optical radiation
and localized electromagnetic energy. Its localized electromagnetic modes strongly depend …

We present a Babinet-inverted optical nanoantenna integrated with a plasmonic waveguide.
Using an integrated nanoantenna, we can couple the plasmon guide mode in a metal …

The efficient manipulation of light-matter interactions in subwavelength all-dielectric
nanostructures offers a unique opportunity for the design of novel low-loss visible-and …

Matching circuits for waveguide-nanoantenna connections are difficult to implement.
However, if the waveguide permits only one-way propagation, the matching issue …

Plasmonic antennas integrated on silicon devices have large and yet unexplored potential
for controlling and routing light signals. Here, we present theoretical calculations of a hybrid …

This study reports a symmetric hybrid plasmonic waveguide consisting of a cylindrical metal
nanowire surrounded by low-index SiO_2 and high-index Si covered with SiO_2. The …

We experimentally demonstrate plasmonic nanocircuits operating as subdiffraction
directional couplers optically excited with high efficiency from free-space using optical Yagi …

The ability to control the asymmetric propagation of light in nanophotonic waveguides is of
fundamental importance to optical communications and on-chip signal processing …

The sub-wavelength concentration and propagation of electromagnetic energy are two
complementary aspects of plasmonics that are not necessarily co-present in a single …