2 papers
physics.optics2025
Annular Channel Eigenmodes: A Physical-Layer Approach to Suppressing OAM Modal Crosstalk
Chenghao Li, Pengyang An, Ziao Huang +2
Modal crosstalk is a fundamental limitation for orbital angular momentum (OAM)-based spatial-division multiplexing. Here, we introduce Annular Channel Eigenmodes (ACEs) - rigorousl…
physics.optics2025
Full space-time abrupt autofocusing spherical Airy wavepacket
Qian Cao, Nianjia Zhang, Chenghao Li +2
The ability to precisely focus optical beams is crucial for numerous applications, yet conventional Gaussian beams exhibit slow intensity transitions near the focal point, limiting…