activity
20222026
most citedTopological Transformation and Free-Space Transport of Photonic Hopfions

117 citations · 198 across the 8 of their papers we have counts for

collaborators

8 papers

physics.optics2026

Recovering topological information of light by topological learning

Benquan Wang, Trishita Das, Yuhan Peng +8

The evolution of modern-day communication networks towards enhanced capacity and robustness is driving interest in topological light wave as a next-generation information carrier.…

physics.optics2025

Structured Harmonic Generation via Geometric Phase Enabled Pump Shaping

Ting-Ting Liu, Shi-Hui Ding, Chun-Yu Li +4

Nonlinear optics is crucial for shaping the spatial structure of shortwave light and its interactions with matter, but achieving this through simple harmonic generation with a sing…

physics.optics2023★ 12 cited

Structured Light Modal Interface via Liquid-Crystal Planar Optics

Chun-Yu Li, Si-Jia Liu, Hai-Jun Wu +6

Recent advances in planar optics with geometric-phase superstructures have brought a new paradigm in the control of structured light and, in particular, has substantially enhanced…

physics.optics2023★ 7 cited

Single-shot, full characterization of the spatial wavefunction of light fields via Stokes tomography

Bing-Shi Yu, Hai-Jun Wu, Chun-Yu Li +5

Since the diffraction behavior of a light field is fully determined by its spatial wavefunction, i.e., its spatial complex amplitude (SCA), full characterization of spatial wavefun…

physics.optics2023★ 24 cited

Toward arbitrary spin-orbit flat optics via structured geometric phase gratings

Chun-Yu Li, Si-Jia Liu, Bing-Shi Yu +6

Reciprocal spin-orbit coupling (SOC) via geometric phase with flat optics provides a promising platform for shaping and controlling paraxial structured light. Current devices, from…

physics.optics2022★ 31 cited

Observation of Anomalous Orbital Angular Momentum Conservation in Parametric Nonlinearity

Hai-Jun Wu, Bing-Shi Yu, Jia-Qi Jiang +5

Orbital angular momentum (OAM) conservation plays an important role in shaping and controlling structured light with nonlinear optics. The OAM of a beam originating from three-wave…

physics.optics2022★ 117 cited

Topological Transformation and Free-Space Transport of Photonic Hopfions

Yijie Shen, Bingshi Yu, Haijun Wu +3

Structured light fields embody strong spatial variations of polarisation, phase and amplitude. Understanding, characterization and exploitation of such fields can be achieved throu…

physics.optics2022★ 7 cited

Directly determining orbital angular momentum of ultrashort Laguerre-Gauss pulses via autocorrelation measurement

Bing-Shi Yu, Chun-Yu Li, Yuanjie Yang +2

Autocorrelation measurement based on second-harmonic generation (SHG), the best-known technique for measuring the temporal duration of ultrashort pulses, could date back to the bir…