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physics.optics2026
Extreme Energy Concentration of Band-Limited Superoscillatory Vortices for Efficient Optical Micromanipulation
Chengda Song, Jing He, Xi Xie +4
The Abbe diffraction limit, tied to the fundamental spatial bandwidth constraint imposed by any physical aperture, remains the primary barrier to achieving ultimate far-field optic…
physics.optics2026
Controllable Chirality Sorting of Particles via Topological Optical Quasiparticles
Hao Zhang, Xi Xie, Yijie Shen
The manipulation and sorting of chiral nanoparticles are of fundamental importance in multidisciplinary fields ranging from biochemistry to nanophotonics. In this study, we propose…
physics.optics2025★ 2 cited
Free-form conformal metasurfaces robustly generating topological skyrmions
Yang Fu, Rensheng Xie, Nilo Mata-Cervera +5
Skyrmions are topologically stable vector textures as potential information carriers for high-density data storage and communications, especially boosted by the recently emerging m…