High-order topological insulators can be realized via two-dimensional photonic crystals
(PCs) with different lattices including honeycomb, square and kagome lattices. In this paper …

In this paper, we present an all-optical 4 x1 multiplexer (MUX) employing two-dimensional
15a× 15a square lattice of silicon poles in air photonic crystals (PhCs). The proposed device …

This study introduces an innovative integration of hyperbolic metamaterials (HMMs) and
photonic crystals (PtCs), each possessing unique dispersion properties that effectively …

A flat lens made of a negative index (NI) metamaterial (MTM) focuses the diverging light
waves with sub-wavelength resolution. However, to achieve tight 3-D focusing, one needs to …

Hyperbolic metamaterials (HMMs) are highly anisotropic materials with the unique property
of generating electromagnetic modes. Understanding how these materials can be applied to …

In this paper, different topologies were discussed and their effect on the design of photonic
crystal applications was evaluated. They can be classified into four categories (ie, ring …

Photonic hypercrystals (PHCs) are materials combining hyperbolic metamaterials (HMMs)
with widely used photonic crystals. We found that finite-sized Type-I HMMs can support …

Photonic crystals have emerged as a fascinating field of research and development, offering
unprecedented control over the propagation and manipulation of light. These artificial …

Frequency-sensitive super-collimation (FSSC) is a novel dispersion phenomenon of
photonic crystals (PhCs) that can realize the beam collimating propagation with very high …

Photonic hypercrystals (PHCs) are materials combining hyperbolic metamaterials (HMMs)
with widely used photonic crystals. We found that finite-sized Type-I HMMs can support …