Exceptional points and non-Hermitian photonics at the nanoscale
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 …
wave phenomena, and have been attracting increased interest in various physical platforms …
Topological non-Hermitian skin effect
This article reviews recent developments in the non-Hermitian skin effect (NHSE),
particularly on its rich interplay with topology. The review starts off with a pedagogical …
particularly on its rich interplay with topology. The review starts off with a pedagogical …
Two-dimensional reconfigurable non-Hermitian gauged laser array
Topological effects in photonic non-Hermitian systems have recently led to extraordinary
discoveries including nonreciprocal lasing, topological insulator lasers, and topological …
discoveries including nonreciprocal lasing, topological insulator lasers, and topological …
Transient non-Hermitian skin effect
The discovery of non-Hermitian skin effect (NHSE) has opened an exciting direction for
unveiling unusual physics and phenomena in non-Hermitian system. Despite notable …
unveiling unusual physics and phenomena in non-Hermitian system. Despite notable …
Advances and applications on non-Hermitian topological photonics
Q Yan, B Zhao, R Zhou, R Ma, Q Lyu, S Chu, X Hu… - …, 2023 - degruyter.com
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 …
attracted much attention in recent years, accompanying by a great deal of new physical …
Nonlinear exceptional points with a complete basis in dynamics
Exceptional points (EPs) are special spectral singularities at which two or more eigenvalues,
and their corresponding eigenvectors, coalesce and become identical. In conventional …
and their corresponding eigenvectors, coalesce and become identical. In conventional …
Observation of the geometry-dependent skin effect and dynamical degeneracy splitting
The non-Hermitian skin effect is a distinctive phenomenon in non-Hermitian systems, which
manifests as the anomalous localization of bulk states at the boundary. To understand the …
manifests as the anomalous localization of bulk states at the boundary. To understand the …
Anomalous Floquet non-Hermitian skin effect in a ring resonator lattice
We present a one-dimensional coupled ring resonator lattice exhibiting a variant of the non-
Hermitian skin effect (NHSE) that we call the anomalous Floquet NHSE. Unlike existing …
Hermitian skin effect (NHSE) that we call the anomalous Floquet NHSE. Unlike existing …
Quantum-squeezing-induced point-gap topology and skin effect
LL Wan, XY Lü - Physical Review Letters, 2023 - APS
We theoretically predict the squeezing-induced point-gap topology together with a symmetry-
protected Z 2 “skin effect” in a one-dimensional (1D) quadratic-bosonic system. Protected by …
protected Z 2 “skin effect” in a one-dimensional (1D) quadratic-bosonic system. Protected by …
Floquet engineering of the non-Hermitian skin effect in photonic waveguide arrays
S Ke, W Wen, D Zhao, Y Wang - Physical Review A, 2023 - APS
The non-Hermitian skin effect (NHSE), which involves an extensive number of bulk modes
collapsing to open boundaries as skin modes, unveils a variety of unprecedented …
collapsing to open boundaries as skin modes, unveils a variety of unprecedented …