Optical sensors are widely used for refractive index measurement in biomedical, chemical,
and food processing industries and offer high sensitivity to ambient refractive index …

Nanowires supporting propagating surface plasmons can function as nanowaveguides to
realize the light guiding with field confinement beyond the diffraction limit, providing …

Laser science has been successful in producing increasingly high-powered, faster and
smaller coherent light sources,,,,,,,,. Examples of recent advances are microscopic lasers …

Surface plasmon polaritons (SPPs) are electromagnetic (EM) modes propagating along
metal–dielectric interfaces, in which surface collective excitations of free electrons in the …

Emerging telecommunication and data routing applications anticipate a photonic roadmap
leading to ultra-compact photonic integrated circuits. Consequently, photonic devices will …

The field of plasmonics has the potential to enable unique applications in the mid-infrared
(IR) wavelength range. However, as is the case regardless of wavelength, the choice of …

The Purcell factor is the standard figure of merit for spontaneous emission enhancement in
microcavities and has also been proposed to describe emission enhancements for …

Efficient optical frequency mixing typically must accumulate over large interaction lengths
because nonlinear responses in natural materials are inherently weak. This limits the …

Tapered metallic grooves have been shown to support plasmons–electromagnetically
coupled oscillations of free electrons at metal–dielectric interfaces–across a variety of …

Emerging communication applications call for a road map towards nanoscale photonic
components and systems. Although metal-based nanostructures theoretically offer a solution …