Polaritons are hybrid excitations of matter and photons. In recent years, polaritons in van der
Waals nanomaterials—known as van der Waals polaritons—have shown great promise to …

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

Photonic crystals (PhCs) are a kind of artificial structures that can mold the flow of light at
will. Polaritonic crystals (PoCs) made from polaritonic media offer a promising route to …

Recent discoveries of Mott insulating and unconventional superconducting states in twisted
bilayer graphene with moiré superlattices have not only reshaped the landscape of …

The full manipulation of intrinsic properties of electromagnetic waves has become the
central target in various modern optical technologies. Optical metasurfaces have been …

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

The outstanding chemical and physical properties of 2D materials, together with their
atomically thin nature, make them ideal candidates for metaphotonic device integration and …

Negative reflection occurs when light is reflected toward the same side of the normal to the
boundary from which it is incident. This exotic optical phenomenon is not only yet to be …

Surface phonon polaritons (SPhPs) in polar dielectrics offer new opportunities for infrared
nanophotonics. However, bulk SPhPs inherently propagate isotropically with limited photon …

Phase transitions can occur in certain materials such as transition metal oxides (TMOs) and
chalcogenides when there is a change in external conditions such as temperature and …