Publications de Fabrizio Carbone

Ultrafast momentum-resolved visualization of the interplay between phonon-mediated scattering and plasmons in graphite

Thomas La Grange, Fabrizio Carbone, Ivan Madan, Francesco Barantani, Michele Puppin, Alexey Sapozhnik

Scattering between charges and collective modes in materials governs phenomena such as electrical resistance, energy dissipation, and phase switching. Studying such scattering requires simultaneous access to ultrafast and momentum-resolved dynamics of sing ...

2025

Roadmap for Quantum Nanophotonics with Free Electrons

Fabrizio Carbone

American Chemical Society (ACS)2025

Ultrafast generation of hidden phases via energy-tuned electronic photoexcitation in magnetite

Thomas La Grange, Fabrizio Carbone, Ivan Madan, Benoît Guilhem Michel Binh Truc, Francesco Pennacchio, Gabriele Berruto, Giovanni Maria Vanacore, Paolo Usai

Phase transitions occurring in nonequilibrium conditions can evolve through high-energy intermediate states inaccessible via equilibrium adiabatic conditions. Because of the subtle nature of such hidden phases, their direct observation is extremely challen ...

National Academy of Sciences2024

Coherently amplified ultrafast imaging using a free-electron interferometer

Fabrizio Carbone

Accessing the low-energy non-equilibrium dynamics of materials and their polaritons with simultaneous high spatial and temporal resolution has been a bold frontier of electron microscopy in recent years. One of the main challenges lies in the ability to re ...

Nature Publishing Group2024

Coherent Amplification in Ultrafast Electron Microscopy

Fabrizio Carbone

We present free-electron imaging of sub-cycle spatio-temporal dynamics of 2D polariton wavepackets, demonstrating the first simultaneous time-, space-, and phase-resolved measurement of such phenomena, and resolving their novel features like vortex-anti-vo ...

Institute of Electrical and Electronics Engineers Inc.2024

Gargiulo et al. Reply

Fabrizio Carbone, Ivan Madan, Simone Gargiulo

Amer Physical Soc2024

Non-equilibrium Inter-site Dynamics of Photoexcited Kitaev α-Li2IrO3

Majed Chergui, Fabrizio Carbone, Hui-Yuan Chen, Rolf Baldwin Versteeg

The inter-site transition dynamics in a 2D honeycomb lattice of the Mott-insulator Li2irO3 was investigated via broadband time-resolved spectroscopy. Through two excitation regime corresponding to charger transfer (3.1eV) and across Mott-gap excitation (0. ...

Institute of Electrical and Electronics Engineers Inc.2024

Microstructured plastic scintillators for pencil beam profiling in proton-therapy accelerators

Arnaud Bertsch, Alessandro Mapelli, Fabrizio Carbone, Simone Gargiulo, Veronica Leccese

A novel beam profiler based on microstructured scintillation resin is presented. The detector consists of a bundle of waveguides, featuring an active area of 30 x 30 mm2 with a fill factor of 50% and a pitch of 400 mu m. This configuration is obtained by c ...

Elsevier2024

High-resolution MHz time- and angle-resolved photoemission spectroscopy based on a tunable vacuum ultraviolet source

Marco Grioni, Thomas La Grange, Henrik Moodysson Rønnow, Fabrizio Carbone, Jan Hugo Dil, Michele Puppin, Fei Guo

The time- and angle-resolved photoemission spectroscopy (trARPES) allows for direct mapping of the electronic band structure and its dynamic response on femtosecond timescales. Here, we present a new ARPES system, powered by a new fiber-based femtosecond l ...

Aip Publishing2024

Unifying Optical Frequency Metrology with Free-Electron Spectroscopy

Thomas La Grange, Rui Ning Wang, Tobias Kippenberg, Fabrizio Carbone, Arslan Sajid Raja, Alexey Sapozhnik, Yujia Yang

We establish a frequency link across the microwave, optical, and free-electron domains by a photonic chip-based electron phase modulator driven by a continuous-wave laser locked to a fully stabilized optical frequency comb. ...

Institute of Electrical and Electronics Engineers Inc.2024

Revisiting the Excitation of the Low-Lying ^{181m}Ta Isomer in Optical Laser-Generated Plasma

Fabrizio Carbone, Ivan Madan, Benoît Guilhem Michel Binh Truc, Giovanni Maria Vanacore, Paolo Usai, Simone Gargiulo, Veronica Leccese

The excitation of the ^{181m}Ta isomer in the laser-plasma scenario was claimed to have been observed more than two decades ago. However, the reported experimental findings-and the respective high excitation rate-were later questioned as they could not be ...

2024

High-resolution scintillation detector for two-dimensional reconstruction

Arnaud Bertsch, Alessandro Mapelli, Fabrizio Carbone, Veronica Leccese

A scintillation device including a silicon plate having a rectangular shape and having a first side and a second side opposite the first side, wherein the first side includes a plurality of first channels arranged to be in parallel with each other extendin ...

2023

Generation and control of localized terahertz fields in photoemitted electron plasmas

Fabrizio Carbone, Ivan Madan, Giovanni Maria Vanacore, Francesco Barantani, Ido Kaminer, Simone Gargiulo

Dense micron-sized electron plasmas, such as those generated upon irradiation of nanostructured metallic surfaces by intense femtosecond laser pulses, constitute a rich playground to study light-matter interactions, many-body phenomena, and out-of-equilibr ...

ROYAL SOC CHEMISTRY2023

Method for manufacturing an active structure for a radiation detector and polymeric mold for the method

Arnaud Bertsch, Alessandro Mapelli, Fabrizio Carbone, Veronica Leccese

A method for manufacturing a scintillation detector structure including the steps of forming a plurality of first structures into a surface of a substrate to form a patterned substrate, filling the plurality of first structures and covering the surface of ...

2023

One-Dimensional "Ghost Imaging" in Electron Microscopy of Inelastically Scattered Electrons

Fabrizio Carbone, Ivan Madan, Giovanni Maria Vanacore, Ido Kaminer, Ebrahim Karimi, Simone Gargiulo

Entanglement and correlation are at the basis of quantummechanicsand have been used in optics to create a framework for "ghostimaging". We propose that a similar scheme can be used in anelectron microscope to exploit the correlation of electrons with theco ...

2023

Charge Dynamics Electron Microscopy Nanoscale Imaging of Femtosecond Plasma Dynamics

Thomas La Grange, Fabrizio Carbone, Luca Piazza, Ivan Madan, Tom Theodorus Antonius Lummen, Gabriele Berruto, Giovanni Maria Vanacore, Francesco Barantani, Ido Kaminer, Simone Gargiulo

Understanding and actively controlling the spatiotemporal dynamics of nonequilibrium electron clouds is fundamental for the design of light and electron sources, high power electronic devices, and plasma-based applications. However, electron clouds evolve ...

AMER CHEMICAL SOC2023

Light-Induced Metastable Hidden Skyrmion Phase in the Mott Insulator Cu2OSeO3

Thomas La Grange, Arnaud Magrez, Henrik Moodysson Rønnow, Fabrizio Carbone, Ivan Madan, Benoît Guilhem Michel Binh Truc, Simone Gargiulo, Phoebe Marie Tengdin

The discovery of a novel long-lived metastable skyrmion phase in the multiferroic insulator Cu2OSeO3 visualized with Lorentz transmission electron microscopy for magnetic fields below the equilibrium skyrmion pocket is reported. This phase can be accessed ...

Wiley-V C H Verlag Gmbh2023

Ultrafast Electron Microscopy of Nanoscale Charge Dynamics in Semiconductors

Fabrizio Carbone, Ivan Madan, Giovanni Maria Vanacore, Francesco Barantani, Ido Kaminer, Kangpeng Wang, Simone Gargiulo

The ultrafast dynamics of charge carriers in solids plays a pivotal role in emerging optoelectronics, photonics, energy harvesting, and quantum technology applications. However, the investigation and direct visualization of such nonequilibrium phenomena re ...

AMER CHEMICAL SOC2023

Electron spectrometer calibration method

Thomas La Grange, Tobias Kippenberg, Fabrizio Carbone, Arslan Sajid Raja, Alexey Sapozhnik, Yujia Yang

The present invention concerns an energy dispersion calibration method for calibrating an electron spectrometer of an electron spectrometer system including at least one electron emission source, electron optics and the electron spectrometer. The method co ...

2023

Direct Visualisation of Skyrmion Lattice Defect Alignment at Grain Boundaries

Arnaud Magrez, Henrik Moodysson Rønnow, Fabrizio Carbone, Thomas Schönenberger

We present a method to directly visualise a statistical analysis of skyrmion defect alignment at grain boundaries in the skyrmion host Cu2OSeO3. Using Lorentz transmission electron microscopy, we collected large data sets with several hundreds of frames co ...

2022