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 notion of non-Hermitian optics and photonics rooted in quantum mechanics and
photonic systems has recently attracted considerable attention ushering in tremendous …

Non-Hermitian photonics and topological photonics, as new research fields in optics, have
attracted much attention in recent years, accompanying by a great deal of new physical …

Recently, it was discovered that certain non-Hermitian systems can exhibit qualitative
different properties at different system sizes, such as being gapless at small sizes and …

Thanks to the recent discovery of the magic-angle bilayer graphene, twistronics is quickly
becoming a burgeoning field in condensed matter physics. This Rapid Communication …

Drawing inspiration from bilayer graphene, this paper introduces its photonic analog
comprising two stacked graphenelike photonic crystals that are coupled in the near field …

Twisted bilayer systems with discrete magic angles, such as twisted bilayer graphene
featuring moiré superlattices, provide a versatile platform for exploring novel physical …

Accidental degeneracy plays an important role in the generation of novel band dispersions.
Photonic structures that exhibit an accidental Dirac-like conical dispersion at the center of …

The synergy between topology and non-Hermiticity in photonics holds immense potential for
next-generation optical devices that are robust against defects. However, most …

Exceptional point (EP) and exceptional ring (ER) are unique features for non-Hermitian
systems, which have recently attracted great attentions in acoustics due to their rich physical …