3 papers
physics.optics2026
Non-Hermitian Spectral Topology Shaped by Memory
Hao Pan, Bo Xue, Wanyue Xiao +6
Non-Hermitian spectral topology has transformed our understanding of bulk--boundary correspondence in open systems, yet its exploration has largely remained within the Markovian re…
physics.app-ph2026
Janus Dipoles: Fundamentals, Realizations, and Emerging Applications
Bo Xue, Qiuyang Li, Yuqiong Cheng +10
The Janus dipole - featuring orthogonally oriented electric and magnetic dipoles with a 90-degree phase difference - has emerged as a powerful paradigm for wave manipulation. Unlik…
eess.SP2025
Channel Estimation and Passive Beamforming for Pixel-based Reconfigurable Intelligent Surfaces with Non-Separable State Response
Huayan Guo, Junhui Rao, Alex M. H. Wong +2
Pixel-based reconfigurable intelligent surfaces (RISs) employ a novel design to achieve high reflection gain at a lower hardware cost by eliminating the phase shifters used in trad…