activity
20242026
collaborators

9 papers

physics.optics2026

Roadmap on Attosecond Science

Rocio Borrego Varillas, Pierre Agostini, Fernando Ardana-Lamas +108

Twenty-five years have passed since the first experimental demonstration of attosecond pulses, marking the advent of our ability to resolve and control electron motion in real time…

physics.optics2025

Attosecond Light Skyrmion Pulses via High Harmonic Generation

David Marco, Luis Plaja, Carlos Hernández-García

Paraxial light skyrmions are topological configurations that map a spatial domain of the field onto the full Poincaré sphere of polarization states. While optical skyrmions have be…

physics.optics2025

Compact, intense attosecond sources driven by hollow Gaussian beams

Rodrigo Martín-Hernández, Melvin Redon, Ann-Kathrin Raab +9

High-order harmonic generation (HHG) enables the up-conversion of intense infrared or visible femtosecond laser pulses into extreme-ultraviolet attosecond pulses. However, the high…

physics.optics2025

Isolated attosecond spatio-temporal optical vortices: Interplay between the topological charge and orbital angular momentum scaling in high harmonic generation

Rodrigo Martin-Hernandez, Luis Plaja, Carlos Hernandez-Garcia +1

The propagation properties and the nature of the transverse orbital angular momentum (t-OAM) of spatiotemporal optical vortices (STOVs) open new scenarios in high-harmonic generati…

physics.optics2024

Extreme-ultraviolet spatiotemporal vortices via high harmonic generation

Rodrigo Martin-Hernandez, Guan Gui, Luis Plaja +5

Spatiotemporal optical vortices (STOV) are space-time structured light pulses with a unique topology that couples spatial and temporal domains and carry transverse orbital angular…

physics.optics2024

Circularly polarized high harmonic beams carrying self-torque or time-dependent orbital angular momentum

Alba de las Heras, Julio San Román, Javier Serrano +2

In the rapidly evolving field of structured light, the self-torque has been recently defined as an intrinsic property of light beams carrying time-dependent orbital angular momentu…

physics.atom-ph2024

Attosecond Rabi Oscillations in High Harmonic Generation Resonantly Driven by Extreme Ultraviolet Laser Fields

Alba de las Heras, Carlos Hernández-García, Javier Serrano +4

High-order harmonic generation driven by intense extreme ultraviolet (EUV) fields merges quantum optics and attosecond science, giving rise to an appealing route for the generation…

physics.optics2024

Attosecond vortex pulse trains

Alba de las Heras, David Schmidt, Julio San Román +5

The landscape of ultrafast structured light pulses has recently evolved driven by the capability of high-order harmonic generation (HHG) to up-convert orbital angular momentum (OAM…

physics.optics2024

Optical Magnetic Field Enhancement using Ultrafast Azimuthally Polarized Laser Beams and Tailored Metallic Nanoantennas

Rodrigo Martín-Hernández, Lorenz Grünewald, Luis Sánchez-Tejerina +4

Structured light provides unique opportunities to spatially tailor the electromagnetic field of laser beams. This includes the possibility of a sub-wavelength spatial separation of…