Pulse-Duration-Sensitive High Harmonics and Attosecond Locally-Chiral Light from a Chiral Topological Weyl Semimetal

TDDFT simulations of RhSi show laser pulse duration extends HHG cutoff energies via 'excited ladder electrons,' while the chiral crystal structure maps into attosecond locally-chiral light with tunable instantaneous torsion on ~300 as timescales.

#WeylSemimetal #AttosecondScience #Research

Applications are open for the Summer School: “New Frontiers in Ultrafast Quantum Optics”
📍 Lake Como, July 27–31, 2026
🎓40 participants
💰Two full-fee Student Grants available
📅 Deadline for applications: 31 May 2026

👉 ufqp.lakecomoschool.org

#QuantumOptics #UltrafastOptics #AttosecondScience

📢 We are thrilled to announce that Anne L'Huillier, Nobel Prize laureate in Physics 2023, will deliver a plenary lecture at EOSAM 2026.

🎤 Title of her talk: The route to attosecond light pulses

More info: tinyurl.com/4c2dvjha

Don’t miss it!

#EOSAM2026 #AttosecondScience

Photo: Kennet Ruona

Registration is now OPEN!

School on "Ultrafast phenomena in Chemistry: Laser-matter interactions at the femto- and atto-second time scales"

🔗 Register here: www.cecam.org/workshop-det...

#Attoscience #UltrafastChemistry #LaserPhysics #QuantumOptics #LUMES #AttosecondScience

Plasma lens can focus attosecond pulses across different ranges of XUV light A team of researchers from the Max Born Institute (MBI) in Berlin and DESY in Hamburg has demonstrated a plasma lens capable of focusing attosecond pulses. This breakthrough substantially increases the attosecond power available for experiments, opening up new opportunities for studying ultrafast electron dynamics. The results have now been published in Nature Photonics.

🤯 Scientists focused light in attoseconds—billionths of a billionth of a second! ✨ New plasma lens unlocks ultrafast studies of electron behavior. #attosecondscience

Source: phys.org/news/2025-11-plasma-lens...

Controlling Electron Motion Opens the Door to Next-Generation of Quantum Technologies A team of physicists from Czech research institutions shows how shaped light fields can steer ultrafast processes inside solids with remarkable precision.

Scientists from the @czechacademy.bsky.social, @charlesuni.cuni.cz & our colleague Thibault Derrien controlled electron motion in solids with attosecond precision
👉 www.fzu.cz/en/news/cont...

#QuantumTechnology #AttosecondScience

Cutting-Edge Physics and Chemistry Now Unfold One Attosecond at a Time An attosecond—or 0.000000000000000001 second—is no time at all for a person. That is not so for electrons, atoms and molecules, and laser-wielding scientists are revealing the action

Cutting-Edge Physics and Chemistry Now Unfold One Attosecond at a Time #Science #Physics #QuantumPhysics #AttosecondScience #PhysicalChemistry