4 papers
Femtosecond Engineering of PolyMethylPentene(PMP) Nonlinearity via NA, Spin/orbital angular momentum (OAM), and In-Situ SC Diagnostics
Siyang Zheng, Guangyu Zhu, Walter Perrie +4
While femtosecond vortex beams are widely studied for photonic fabrication, how OAM affects third-order susceptibility, energy deposition, and structural symmetry in transparent po…
Correlation invariance unlocks robust calibration-free orbital-angular-momentum multiplexing transmission under dynamic scattering scenarios
Haoran Li, Zhiyuan Wang, Zhipeng Yu +7
Orbital angular momentum (OAM) multiplexing offers a promising approach to high-capacity optical communication by harnessing the orthogonality of vortex beams. However, its practic…
Real-time Calibration-free Imaging Through Dynamic and Distinct Multimode Fibers via Spatial Harmonic Invariant Nonlinear Encoding (SHINE)
Zhiyuan Wang, Haoran Li, Songjie Luo +8
Multimode fibers (MMFs) provide a compact, high-throughput platform for minimally invasive imaging and information transmission. However, their utility is fundamentally constrained…
Speckle-Driven Single-Shot Orbital Angular Momentum Recognition with Ultra-Low Sampling Density
Zhiyuan Wang, Haoran Li, Tianting Zhong +8
Orbital angular momentum (OAM) recognition of vortex beams is critical for applications ranging from optical communications to quantum technologies. However, conventional approache…