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 …

Topological photonics provides a novel route for designing and realizing optical devices
with unprecedented functionalities. Topological edge states, which are supported at the …

Photonic topological insulators offer the possibility to eliminate backscattering losses and
improve the efficiency of optical communication systems. Despite considerable efforts, a …

Backscattering suppression in silicon-on-insulator (SOI) is one of the central issues to
reduce energy loss and signal distortion, enabling for capability improvement of modern …

Valley topological materials, in which electrons possess valley pseudospin, have attracted a
growing interest recently. The additional valley degree of freedom offers a great potential for …

The valley has been exploited as a binary degree of freedom to realize valley-selective Hall
transport and circular dichroism in two-dimensional layered materials, in which valley …

The Dirac-like dispersion in photonic systems makes it possible to mimic the dispersion of
relativistic spin-1/2 particles, which led to the development of the concept of photonic …

The study of topological phases of light underpins a promising paradigm for engineering
disorder-immune compact photonic devices with unusual properties. Combined with an …

Topological photonic insulators can enable the development of efficient integrated photonic
devices with minimized scattering losses. The optical properties of the majority of topological …

Metamaterials with a refractive index of zero exhibit properties that are important for
integrated optics. Possessing an infinite effective wavelength and zero spatial phase …