Exceptional points (EPs) arising in non-Hermitian systems have led to a variety of intriguing
wave phenomena, and have been attracting increased interest in various physical platforms …

Silicon photonics is playing a key role in areas as diverse as high-speed optical
communications, neural networks, supercomputing, quantum photonics, and sensing, which …

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 non-Hermitian physics has inspired numerous intriguing phenomena in
classical wave systems. By introducing judicious arrangements of gain and loss media, non …

Exceptional points (EPs) are degeneracies at which two or more eigenvalues and
eigenstates of a physical system coalesce. Dynamically encircling EPs by varying the …

Dynamically encircling exceptional points (EPs) have unveiled intriguing chiral dynamics in
photonics. However, the traditional approach based on an open manifold of Hamiltonian …

Quantum heat engines are expected to outperform the classical counterparts due to
quantum coherences involved. Here we experimentally execute a single-ion quantum heat …

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 …

The gain and loss in photonic lattices provide possibilities for many functional phenomena.
In this Letter, we consider photonic topological insulators with different types of gain-loss …

Dynamically encircling an exceptional point in non-Hermitian systems has drawn great
attention recently, since a nonadiabatic transition process can occur and lead to intriguing …