Orbital angular momentum and beyond in free-space optical communications

J Wang, J Liu, S Li, Y Zhao, J Du, L Zhu - Nanophotonics, 2022 - degruyter.com
Orbital angular momentum (OAM), which describes tailoring the spatial physical dimension
of light waves into a helical phase structure, has given rise to many applications in optical …

Intelligent optoelectronic processor for orbital angular momentum spectrum measurement

H Wang, Z Zhan, F Hu, Y Meng, Z Liu, X Fu, Q Liu - PhotoniX, 2023 - Springer
Orbital angular momentum (OAM) detection underpins almost all aspects of vortex beams'
advances such as communication and quantum analogy. Conventional schemes are …

Deep-learning-assisted communication capacity enhancement by non-orthogonal state recognition of structured light

H Wang, Z Zhan, Y Shen, J Hu, X Fu, Q Liu - Optics Express, 2022 - opg.optica.org
In light of pending capacity crunch in information era, orbital-angular-momenta-carrying
vortex beams are gaining traction thanks to enlarged transmission capability. However, high …

Pushing the limits of multifunctional metasurface by deep learning

P Peng, Z Fang - Current Opinion in Solid State and Materials Science, 2024 - Elsevier
Composed of a large number of artificial nanostructures, metasurfaces have found
applications in metalenses, structured light generation and optical deflectors through …

Deep-learning-based recognition of multi-singularity structured light

H Wang, X Yang, Z Liu, J Pan, Y Meng, Z Shi, Z Wan… - …, 2022 - degruyter.com
Structured light with customized topological patterns inspires diverse classical and quantum
investigations underpinned by accurate detection techniques. However, the current …

Six‐mode orbital angular momentum generator enabled by helicity‐assisted full‐space metasurface with flexible manipulation of phase, polarization, and spatial …

T Liu, W Li, Y Meng, H Ma, W Tang, G Li… - Advanced Optical …, 2022 - Wiley Online Library
Vortex beam carrying orbital angular momentum (OAM) has been experiencing a research
upsurge attributed to its excellent communication capability, which also boosts the …

Experimental property reconstruction in a photonic quantum extreme learning machine

A Suprano, D Zia, L Innocenti, S Lorenzo, V Cimini… - Physical Review Letters, 2024 - APS
Recent developments have led to the possibility of embedding machine learning tools into
experimental platforms to address key problems, including the characterization of the …

Real-time measurement of dynamic micro-displacement and direction using light's orbital angular momentum

J Zhu, L Wang, J Ji, S Zhao - Applied Physics Letters, 2022 - pubs.aip.org
In this Letter, we propose an orbital angular momentum (OAM) sensor to simultaneously
measure the dynamic micro-displacement and the direction of a moving object in real time …

Learning-enabled recovering scattered data from twisted light transmitted through a long standard multimode fiber

Y Liu, Z Zhang, P Yu, Y Wu, Z Wang, Y Li, W Liu… - Applied Physics …, 2022 - pubs.aip.org
Multiplexing multiple orbital angular momentum (OAM) modes of light has proven to be an
effective way to increase data capacity in fiber-optic communications. However, existing …

[HTML][HTML] Recognizing fractional orbital angular momentum using feed forward neural network

G Jing, L Chen, P Wang, W Xiong, Z Huang, J Liu… - Results in Physics, 2021 - Elsevier
Fractional vortex beam (FVB) possessing helical phase can be applied in the shift-keying
communication due to its fractional orbital angular momentum (FOAM) mode, which …