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physics.optics2025
Encoding orbital angular momentum of light in space with optical catastrophes
Xiaoyan Zhou, John You En Chan, Chia-Te Chang +6
Light beams carrying orbital angular momentum (OAM) possess an unbounded set of orthogonal modes, offering significant potential for optical communication and security. However, ex…
physics.optics2023★ 1 cited
Arbitrary Engineering of Spatial Caustics with 3D-printed Metasurfaces
Xiaoyan Zhou, Hongtao Wang, Shuxi Liu +6
Caustics occur in diverse physical systems, spanning the nano-scale in electron microscopy to astronomical-scale in gravitational lensing. As envelopes of rays, optical caustics re…