Light–matter interaction empowered by orbital angular momentum: Control of matter at the micro-and nanoscale

A Porfirev, S Khonina, A Kuchmizhak - Progress in Quantum Electronics, 2023 - Elsevier
Orbital angular momentum (OAM) of light is an important feature of structured
electromagnetic fields exhibiting non-uniform spatial distribution. In contrast to a spin …

[HTML][HTML] Roadmap on spatiotemporal light fields

Y Shen, Q Zhan, LG Wright, DN Christodoulides… - Journal of …, 2023 - iopscience.iop.org
Spatiotemporal sculpturing of light pulse with ultimately sophisticated structures represents a
major goal of the everlasting pursue of ultra-fast information transmission and processing as …

Roadmap on structured waves

KY Bliokh, E Karimi, MJ Padgett, MA Alonso… - Journal of …, 2023 - iopscience.iop.org
Structured waves are ubiquitous for all areas of wave physics, both classical and quantum,
where the wavefields are inhomogeneous and cannot be approximated by a single plane …

Nonlinear up-conversion of a polarization Möbius strip with half-integer optical angular momentum

M Luttmann, M Vimal, M Guer, JF Hergott… - Science …, 2023 - science.org
Symmetries and conservation laws of energy, linear momentum, and angular momentum
play a central role in nonlinear optics. Recently, paraxial light fields with nontrivial topology …

Generation of complex vector and vortex extreme ultraviolet beams using the S-waveplate and spiral phase plate during high-order harmonics generation in argon

V Kärcher, VV Kim, ANK Reddy, H Zacharias… - ACS …, 2023 - ACS Publications
We report the generation of vector and vortex high-order harmonic beams in argon using the
femtosecond laser pulses propagated through the phase-modifying optical elements (S …

[HTML][HTML] Topological high-harmonic spectroscopy

A García-Cabrera, R Boyero-García… - Communications …, 2024 - nature.com
Linearly polarized vector beams are structured lasers whose topology is characterized by a
well-defined Poincaré index, which is a topological invariant during high-order harmonic …

Directly Determining Orbital Angular Momentum of Ultrashort Laguerre–Gauss Pulses via Spatially‐Resolved Autocorrelation Measurement

BS Yu, CY Li, Y Yang… - Laser & Photonics …, 2022 - Wiley Online Library
Autocorrelation measurement based on second‐harmonic generation (SHG), the best‐
known technique for measuring the temporal duration of ultrashort pulses, dates back to the …

[HTML][HTML] Simulating macroscopic high-order harmonic generation driven by structured laser beams using artificial intelligence

JM Pablos-Marín, J Serrano… - Computer Physics …, 2023 - Elsevier
Artificial intelligence, and in particular deep learning, is becoming a powerful tool to access
complex simulations in intense ultrafast laser science. One of the most challenging tasks to …

Role of fractional high harmonics with non-integer OAM on the generation of a helical attosecond pulse train

J Han, X Tang, Z Yin, K Wang, Y Fu, B Wang… - Optics …, 2022 - opg.optica.org
Extreme-ultraviolet pulses of attosecond duration carrying orbital angular momentum (OAM)
can be produced by spectrally filtering vortex high harmonics generated in a gas medium …

Structuring the local handedness of synthetic chiral light: global chirality versus polarization of chirality

L Rego, D Ayuso - New Journal of Physics, 2023 - iopscience.iop.org
Synthetic chiral light enables ultrafast and highly efficient imaging of molecular chirality.
Unlike standard circularly polarized light, the handedness of synthetic chiral light does not …