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physics.optics2026
Anisotropic non-Hermitian skin effect in a two-dimensional Lieb photonic crystal
Zhi-Kang Xiong, Tianlei Wen, Y. Liu +2
In this contribution paper, we construct a two-dimensional non-Hermitian (NH) photonic crystal (PhC) to prototype its anisotropic non-Hermitian skin effect (NHSE) for experimental…
physics.optics2025
Topological phase transition induced by modulating unit cells in photonic Lieb lattice
Zhi-Kang Xiong, Y. Liu, Xiying Fan +1
Topological photonics was embarked from realizing the first-order chiral state in gyromagnetic media, but its higher-order states were mostly studied in dielectric lattice instead.…
physics.optics2023
A decomposition for transverse spins in structured vector fields
Zhi-Kang Xiong, Zhen-Lai Wang, Y. Liu +2
Classical vector waves can possess intricate spin angular momenta (SAM), which are \emph{perpendicular} to the propagation direction, as revealed by the recent recognition of surpr…