2 papers
physics.optics2026
Arbitrary-Order Scattering Exceptional Points in Configurable Non-Hermitian Zero-Index Materials
Yucheng Xu, Ling Yin, Yongxing Wang +1
Scattering exceptional points (EPs) are non-Hermitian degeneracies where the eigenvalues and eigenvectors of scattering matrices coalesce, enabling many intriguing phenomena in opt…
physics.optics2024
Physics-informed Inverse Design of Multi-bit Programmable Metasurfaces
Yucheng Xu, Jia-Qi Yang, Kebin Fan +8
Emerging reconfigurable metasurfaces offer various possibilities in programmatically manipulating electromagnetic waves across spatial, spectral, and temporal domains, showcasing g…