Ultrawideband reflection-type metasurface for generating integer and fractional orbital angular momentum

LJ Yang, S Sun, EI Wei - IEEE Transactions on Antennas and …, 2019 - ieeexplore.ieee.org
Vortex beams carrying orbital angular momentum (OAM) are extensively studied owing to its
potential to expand channel capacity of microwave and optical communication. By utilizing …

Millimetre wave with rotational orbital angular momentum

C Zhang, L Ma - Scientific reports, 2016 - nature.com
Orbital angular momentum (OAM) has been widely studied in fibre and short-range
communications. The implementation of millimetre waves with OAM is expected to increase …

Generation, reception and separation of mixed-state orbital angular momentum vortex beams using metasurfaces

S Yu, L Li, N Kou - Optical Materials Express, 2017 - opg.optica.org
In this paper, metasurfaces are designed, fabricated and experimentally demonstrated to
transmit and receive a mixed-mode orbital angular momentum (OAM) vortex wave. Firstly …

Generation of optical vortices by nonlinear inverse Thomson scattering at arbitrary angle interactions

Y Taira, M Katoh - The Astrophysical Journal, 2018 - iopscience.iop.org
We theoretically verify that optical vortices carrying orbital angular momentum are generated
in various astrophysical situations via nonlinear inverse Thomson scattering. Arbitrary angle …

Towards classification of experimental Laguerre–Gaussian modes using convolutional neural networks

S Sharifi, Y Banadaki, G Veronis… - Optical …, 2020 - spiedigitallibrary.org
Automated detection of orbital angular momentum (OAM) can tremendously contribute to
quantum optical experiments. We develop convolutional neural networks to identify and …

Searching for interstellar quantum communications

M Hippke - The Astronomical Journal, 2021 - iopscience.iop.org
The modern search for extraterrestrial intelligence began with the seminal publications of
Cocconi & Morrison and Schwartz & Townes, who proposed searching for narrowband …

Independent wavefront manipulation of broadband spin-decoupled metasurfaces based on equivalent circuit model

X Chen, C An, J Zhou, W Li - Physica Scripta, 2023 - iopscience.iop.org
Various functional meta-devices have exhibited powerful manipulation of orbital angular
momentum spectrums, but they are still faced with the issue of inherent spin-correlated …

Multi-feed multi-mode metasurface for independent orbital angular momentum communication in dual polarization

L Yang, S Sun, WEI Sha, L Li, J Hu - Frontiers of Information Technology & …, 2023 - Springer
The wavefront control of spin or orbital angular momentum (OAM) is widely applied in the
optical and radio fields. However, most passive metasurfaces provide limited manipulations …

The relativistic and the hidden momentum of Minkowski and Abraham in relativistic energy wave

DS Cardoso - Optik, 2021 - Elsevier
An analysis on the consistency of the Abraham and Minkowski momenta in the
determination of the photon trajectory was carried out considering a new principle of …

Inducing vortices in a Bose-Einstein condensate using holographically produced light beams

JFS Brachmann, WS Bakr, J Gillen, A Peng… - Optics express, 2011 - opg.optica.org
In this paper we demonstrate a technique that can create non-equilibrium vortex
configurations with almost arbitrary charge and geometry in a Bose-Einstein condensate …