Exceptional points are complex branching singularities of non-Hermitian bands that have
lately attracted considerable interest, particularly in non-Hermitian photonics. In this article …

Optical sensors, crucial in diverse fields like gravitational wave detection, biomedical
imaging, and structural health monitoring, rely on optical phase to convey valuable …

Exceptional points (EPs), at which two or more eigenvalues and eigenstates of a resonant
system coalesce, are associated with non-Hermitian Hamiltonians with gain and/or loss …

Here we present a roadmap on Photonic metasurfaces. This document consists of a number
of perspective articles on different applications, challenge areas or technologies underlying …

Exceptional points (EPs), unique junctures in non-Hermitian open systems where
eigenvalues and eigenstates simultaneously coalesce, have gained notable attention in …

Non-Hermitian dynamics, as observed in photonic, atomic, electrical and optomechanical
platforms, holds great potential for sensing applications and signal processing. Recently …

Bound states in the continuum (BIC) have garnered considerable attention recently for their
unique capacity to confine electromagnetic waves within an open or non-Hermitian system …

Exceptional point (EP), a special degeneracy in non‐Hermitian systems, has exhibited
various distinctive wave characteristics. However, the conventional synthesis of scattering …

Optical monitoring of the position and alignment of objects with a precision of only a few
nanometres is key in applications such as smart manufacturing and force sensing …

Entanglement-enhanced quantum metrology explores the utilization of quantum
entanglement to enhance measurement precision. When particles in a probe are prepared …