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 …

Observation of the geometry-dependent skin effect and dynamical degeneracy splitting

T Wan, K Zhang, J Li, Z Yang, Z Yang - Science Bulletin, 2023 - Elsevier
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 …

A perspective on synthetic dimensions in photonics

M Ehrhardt, S Weidemann… - Laser & Photonics …, 2023 - Wiley Online Library
The concept of synthetic dimension has recently emerged as a versatile way to overcome
limitations in the number of effectively available dimensions by leveraging non‐spatial …

Observation of Generalized Dynamic Localizations in Arbitrary‐Wave Driven Synthetic Temporal Lattices

H Ye, S Wang, C Qin, L Zhao, X Hu… - Laser & Photonics …, 2023 - Wiley Online Library
Dynamic localization (DL) refers to a wavefunction confinement effect of electrons in periodic
lattices under an ac electric field driving. Recent studies have transplanted DLs from …

Simulating topological materials with photonic synthetic dimensions in cavities

M Yang, JS Xu, CF Li, GC Guo - Quantum Frontiers, 2022 - Springer
Photons play essential roles in fundamental physics and practical technologies. They have
become one of the attractive informaiton carriers for quantum computation and quantum …

Observation of discrete-light temporal refraction by moving potentials with broken Galilean invariance

C Qin, H Ye, S Wang, L Zhao, M Liu, Y Li, X Hu… - Nature …, 2024 - nature.com
Refraction is a basic beam bending effect at two media's interface. While traditional studies
focus on stationary boundaries, moving boundaries or potentials could enable new laws of …

Wave-Function Tomography of Topological Dimer Chains with Long-Range Couplings

F Pellerin, R Houvenaghel, WA Coish, I Carusotto… - Physical Review Letters, 2024 - APS
The ability to tailor with a high accuracy the intersite connectivity in a lattice is a crucial tool
for realizing novel topological phases of matter. Here, we report the experimental realization …

Nonreciprocal field transformation with active acoustic metasurfaces

X Wen, C Cho, X Zhu, N Park, J Li - Science Advances, 2024 - science.org
Field transformation, as an extension of the transformation optics, provides a unique means
for nonreciprocal wave manipulation, while the experimental realization remains a …

Imbalanced spin-wave excitation on the exceptional line induced by anti- symmetry breaking in a ferromagnetic trilayer system

Y Pan, VL Grigoryan, J Yang, K Xia - Physical Review B, 2023 - APS
We investigate the pseudo-Hermitian properties of a ferromagnet| normal-metal|
ferromagnet heterojunction, where the two ferromagnets are subjected to two independently …

Non-Hermitian control of localization in mosaic photonic lattices

S Longhi - Applied Physics Letters, 2023 - pubs.aip.org
Exploring the deep insight into localization, disorder, and wave transport in non-Hermitian
systems is an emergent area of research of relevance in different areas of physics …