Recent research in topological photonics has not only proposed and realized novel
topological phenomena such as one‐way broadband propagation and robust transport of …

The topological properties of an object, associated with an integer called the topological
invariant, are global features that cannot change continuously but only through abrupt …

Topological photonics has attracted increasing attention in recent years due to the unique
opportunities it provides to manipulate light in a robust way immune to disorder and defects …

Recently, we witnessed a tremendous effort to conquer the realm of acoustics as a possible
playground to test with topologically protected sound wave propagation. In this article, we …

Topological photonics has emerged as a promising field in photonics that is able to shape
the science and technology of light. As a significant degree of freedom, valley is introduced …

Metasurfaces are subwavelength structured thin films consisting of arrays of units that allow
the control of polarization, phase, and amplitude of light over a subwavelength thickness …

Topological photonics is an emerging field that attracts enormous interest for its novel ways
to engineer the flow of light. With the help of topological protection, the surface modes of …

Topologically protected photonic edge states offer unprecedented robust propagation of
photons that are promising for waveguiding, lasing, and quantum information processing …

Inspired by the newly emergent valleytronics, great interest has been attracted to the
topological valley transport in classical metacrystals. The presence of nontrivial domain-wall …

Distinct from the phononic valley pseudospin, the real physical spin of elastic waves adds a
novel tool kit capable of envisaging the valley-spin physics of topological valley phononic …