Non-Hermitian optics is a burgeoning field at the intersection of quantum physics,
electrodynamics, and nanophotonics. It provides a new perspective of the role of gain and …

A quantum thermal machine is an open quantum system coupled to hot and cold thermal
baths. Thus, its dynamics can be well understood using the concepts and tools from non …

Non-Hermitian quantum metrology, an emerging field at the intersection of quantum
estimation and non-Hermitian physics, holds promise for revolutionizing precision …

We study the dynamics of a driven non-Hermitian superconducting qubit which is perturbed
by quantum jumps between energy levels, a purely quantum effect with no classical …

Cavity optomechanical (COM) sensors, featuring efficient light–motion couplings, have been
widely used for ultrasensitive measurements of various physical quantities ranging from …

Open quantum systems interacting with an environment exhibit dynamics described by the
combination of dissipation and coherent Hamiltonian evolution. Taken together, these …

Considering non-Hermitian systems implemented by utilizing enlarged quantum systems,
we determine the fundamental limits for the sensitivity of non-Hermitian sensors from the …

Exceptional points (EPs) are singularities in non-Hermitian systems, where k (k≥ 2)
eigenvalues and eigenstates coalesce. High-order EPs exhibit richer topological …

Weak-value amplification (WVA) is a metrological protocol that effectively amplifies ultra-
small physical effects, making it highly applicable in the fields of quantum sensing and …

With the rapid progress of high-quality superconducting and photonic resonators, it has
become possible to sense with extremely high precision a wide range of physical properties …