Hexagonal boron nitride (h‐BN) is a layered inorganic synthetic crystal exhibiting high
temperature stability and high thermal conductivity. As a ceramic material it has been widely …

Optical metamaterials have presented an innovative method of manipulating light.
Hyperbolic metamaterials have an extremely high anisotropy with a hyperbolic dispersion …

Polaritons, originating from the interactions between photons and material excitations, have
attracted attention because of their strong field compression and deeply subdiffractional …

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

The effective operation of certain electronic, medical, industrial, and testing equipment relies
on high-quality focusing and imaging capability, which also plays a vital role in the field of …

Label‐free super‐resolution (LFSR) imaging relies on light‐scattering processes in
nanoscale objects without a need for fluorescent (FL) staining required in super‐resolved FL …

Structural anisotropy in crystals is crucial for controlling light propagation, particularly in the
infrared spectral regime where optical frequencies overlap with crystalline lattice …

Hexagonal boron nitride (hBN) has emerged as a key two-dimensional material. Its
importance is linked to that of graphene because it provides an ideal substrate for graphene …

Anisotropy has been a key property employed in the design of optical components for
hundreds of years. However, in recent years there has been growing interest in polaritons …

Highly anisotropic materials show great promise for spatial control and the manipulation of
polaritons. In-plane hyperbolic phonon polaritons (HPhPs) supported by α-phase …