Dielectric nanoresonators have been shown to circumvent the heavy optical losses
associated with plasmonic devices; however, they suffer from less confined resonances. By …

We present a dual-resonance nanostructure made of a titanium dioxide (TiO2)
subwavelength grating to enhance the color downconversion efficiency of Cd x Zn1–x Se y …

All-dielectric optical nanoantennas from high-refractive-index materials are becoming a
promising way for efficient manipulation of light at the nanoscale. Here we propose an all …

Single-emitter nanoantennas play a crucial role in the fabrication of nanosensors and
integrated sources. Since the coupling of single emitter to nanoantennas is largely based on …

Gold nanoring nanoantenna are increasingly being utilized in biological and chemical
sensing owing to their favorable spatially expanded hotspot distribution and distinctive field …

Strong near-field enhancements (NFEs) of nanophotonic structures are believed to be
closely related to high Purcell factors (F_P). Here, we theoretically show that the correlation …

The use of nanostructures to enhance the emission of single-photon sources has attracted
some attention in the last decade due to the development of quantum technologies. In …

Generic, analytical equations are suggested for the localized plasmon excited in a narrow
gap formed between a metal/dielectric cylinder and a metal surface. The local distribution of …

Plasmonic nanoantennas have earned significant acclaim for their remarkable ability to
couple light from free space into sub-wavelength-sized structures and to enhance the …

In this paper, we present a one-stage method for fabricating hybrid metal-dielectric
nanostructures without the use of complex and expensive lithographic processes. The …