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 …

Topological photonics, accompanied by the ability to manipulate light, has emerged as a
rapidly growing field of research. More platforms for displaying novel topological photonic …

Floquet topological systems exhibit rich physics associated with quasienergy band
structures and new topological states; nevertheless, they are usually explored in Hermitian …

Periodic modulation of the Hamiltonian offers a powerful method to engineer Floquet band
properties and create new gaps capable of hosting Floquet edge modes. However, there …

In this article, we report a vector-network-analyzer-free and real-time LC wireless
capacitance readout system based on perturbed nonlinear parity-time (PT) symmetry. The …

Chiral mode switching initiated by dynamic encircling of an exceptional point (EP) has
shown an extraordinary ability in wave controlling. In this work, we study the chiral mode …

Topological band theory provides a framework to establish the equivalence/inequivalence of
bandgaps in photonic topological insulators. However, experimental discernment of …

Exceptional points (EPs) are critical phase points in non-Hermitian systems, exhibiting
fantastic physical phenomena and plenty of applications, such as unidirectional …

Synchronization and asynchronization are ubiquitous occurrences in a wide range of natural
and artificial systems. The underlying mechanisms responsible for these events are typically …

Topoelectrical circuits are metamaterial realizations of topological features of condensed
matter systems. In this work, we discuss experimental methods that allow a fast and …