Thin layers of in-plane anisotropic materials can support ultraconfined polaritons, whose
wavelengths depend on the propagation direction. Such polaritons hold potential for the …

Low-dimensional, strongly anisotropic nanomaterials can support hyperbolic phonon
polaritons, which feature strong light–matter interactions that can enhance their capabilities …

Near-field radiative heat transfer (NFRHT) has promising prospects in modern
nanotechnology, such as near-field thermal microscopy, nanoscale non-contact thermal …

Near-field mapping has been widely used to study hyperbolic phonon-polaritons in van der
Waals crystals. However, an accurate measurement of the polaritonic loss remains …

Orthorhombic molybdenum trioxide (α‐MoO3), a newly discovered polaritonic van der Waals
crystal, is attracting significant attention due to its strongly anisotropic mid‐infrared phonon …

Phosphorene has emerged as an atomically thin platform for optoelectronics and
nanophotonics due to its excellent optical properties and the possibility of actively tuning …

Surface phonon polaritons propagating along interfaces of polar dielectrics coexist with
excitons in many van der Waals heterostructures, so understanding their mutual interactions …

Scattering-type scanning near-field optical microscope (s-SNOM) has become an essential
tool to study polaritons—quasiparticles of light coupled to collective charge oscillations—via …

The ability of plasmons to focus light on nanometer length scales opens a wide range of
enticing applications in optics and photonics, among which the enhancement of nonlinear …

We discuss the possibility of self-hybridisation in high-index dielectric nanoparticles, where
Mie modes of electric or magnetic type can couple to the interband transitions of the …