The growing maturity of nanofabrication has ushered massive sophisticated optical
structures available on a photonic chip. The integration of subwavelength-structured …

Photonic elements can carry information with a capacity exceeding 1,000 times that of
electronic components, but, due to the optical diffraction limit, these elements are large and …

We present optical slot antennas and their applications to photonic devices. We show that
metallic nanoslots have the properties of a slot antenna by measuring the transmission …

Nanophotonic circuit is an emerging technology to achieve ultra-high speed communication
systems. One of the key elements in the design of nanophotonic circuits is the coupling of …

Owing to weak light-matter interactions in natural materials, it is difficult to dynamically tune
and switch emission polarization states of plasmonic emitters (or antennas) at nanometer …

We study light scattering off rectangular slot nano antennas on a metal film varying incident
polarization and incident angle, to examine which field vector of light is more important …

Strong and directionally specific forward scattering from optical nanoantennas is of utmost
importance for various applications in the broader context of photovoltaics and integrated …

Computational design and analyses of nanoantennas obtained via surface shape
optimization are presented. Starting with a kernel geometry, free deformations are applied …

A subwavelength plasmonic polarization‐rotating emitter is numerically and experimentally
demonstrated by designing a metallic nanogroove antenna on the metal surface. The …

Because of low propagation losses and flexible communication paths, inter-chip optical
communications based on plasmonic emitters and receivers can overcome the obstacle of …