The physics of a photonic structure is commonly described in terms of its apparent geometric
dimensionality. On the other hand, with the concept of synthetic dimension, it is in fact …

Topological photonics is a new and rapidly growing field that deals with topological phases
and topological insulators for light. Recently, the scope of these systems was expanded …

The nontrivial topological features in the energy band of non-Hermitian systems provide
promising pathways to achieve robust physical behaviors in classical or quantum open …

Applications such as microwave wireless communications, optical light fidelity, and light
detection and ranging systems require advanced interfaces that can couple guided waves …

The concept of synthetic dimensions has generated interest in many branches of science,
ranging from ultracold atomic physics to photonics, as it provides a versatile platform for …

In linear, lossless, time-invariant, and nonbiased acoustic systems, mode transitions are time
reversible, consistent with Lorentz reciprocity and implying a strict symmetry in space-time …

Non-Hermitian skin effect (NHSE) has led to interesting physics and sophisticated
applications beyond the conventional framework. However, NHSE studies have been limited …

Giant atoms that interact with real-space waveguides at multiple spatial points have attracted
extensive attention due to their unique interference effects. Here we propose a feasible …

The concept of synthetic dimensions in photonics has attracted rapidly growing interest in
the past few years. Among a variety of photonic systems, the ring resonator system under …

The non-Hermitian skin effect, ie, eigenstate condensation at the edges in lattices with open
boundaries, is an exotic manifestation of non-Hermitian systems. In Bloch theory, an …