The proliferation and transmission of viruses has become a threat to worldwide biosecurity,
as exemplified by the current COVID-19 pandemic. Early diagnosis of viral infection and …

When molecules are placed at the interface to metals or metal oxides, an increase in their
infrared (IR) spectral intensities is observed, a phenomenon termed surface-enhanced …

Low-dimensional van der Waals (vdW) materials can harness tightly confined polaritonic
waves to deliver unique advantages for nanophotonic biosensing. The reduced …

Infrared spectroscopy provides unique information on the composition and dynamics of
biochemical systems by resolving the characteristic absorption fingerprints of their …

In plasmonic metals, surface plasmon resonance decays and generates hot electrons and
hot holes through non-radiative Landau dam**. These hot carriers are highly energetic …

Background Food safety is becoming increasingly important because food industry must
provide quality products to minimize the health risks. Traditional methods to assure food …

Abstract 2D monolayers supporting a wide variety of highly confined plasmons, phonon
polaritons, and exciton polaritons can be vertically stacked in van der Waals …

Anisotropic planar polaritons-hybrid electromagnetic modes mediated by phonons,
plasmons, or excitons-in biaxial two-dimensional (2D) van der Waals crystals have attracted …

Phonon polaritons enable light confinement at deep subwavelength scales, with potential
technological applications, such as subdiffraction imaging, sensing and engineering of …

Identification of gas molecules plays a key role a wide range of applications extending from
healthcare to security. However, the most widely used gas nano-sensors are based on …