3 papers
physics.optics2026
Fractional optical skyrmions
Yuancong Cao, Ram Nandan Kumar, Hadrian Bezuidenhout +3
Optical topologies in the form of Skyrmions have attracted significant interest of late, where their integer Skyrmion number has been shown to be robust to complex media. Here we c…
physics.optics2025
Spatially-Resolved Atmospheric Turbulence Sensing with Two-Dimensional Orbital Angular Momentum Spectroscopy
Wenjie Jiang, Mingjian Cheng, Lixin Guo +1
Atmospheric turbulence characterization is crucial for technologies like free-space optical communications. Existing methods using a spatially-integrated one-dimensional (1D) orbit…
physics.optics2025
Machine learning assisted speckle and OAM spectrum analysis for enhanced turbulence characterisation
Wenjie Jiang, Mingjian Cheng, Lixin Guo +4
Atmospheric turbulence degrades the performance of free-space optical (FSO) communication and remote sensing systems by introducing phase and intensity distortions. While a majorit…