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

Electromagnetic metamaterials, artificial media created by subwavelength structuring, are
useful for engineering electromagnetic space and controlling light propagation. Such …

This review aims at providing a comprehensive and updated picture of the field of hyperbolic
metamaterials, from the foundations to the most recent progresses and future perspectives …

Strongly anisotropic media, where the principal components of the dielectric tensor have
opposite signs, are called hyperbolic. Such materials exhibit unique nanophotonic …

Hyperbolic materials exhibit sub-diffractional, highly directional, volume-confined polariton
modes. Here we report that hyperbolic phonon polaritons allow for a flat slab of hexagonal …

The advancement in electromagnetic metamaterials, which commenced three decades ago,
experienced a rapid transformation into acoustic and elastic systems in the forms of …

Uniaxial materials whose axial and tangential permittivities have opposite signs are referred
to as indefinite or hyperbolic media. In such materials, light propagation is unusual leading …

Recent advances in nanofabrication and characterization technologies have spurred many
breakthroughs in the field of optical metamaterials and metasurfaces that provide novel …

Discovering multifunctional materials with tunable plasmonic properties, capable of
surviving harsh environments is critical for advanced optical and telecommunication …

Hyperbolic materials enable numerous surprising applications that include far-field
subwavelength imaging, nanolithography, and emission engineering. The wavevector of a …