200 citations · 950 across the 23 of their papers we have counts for
23 papers
Roadmap for Quantum Nanophotonics with Free Electrons
F. Javier García de Abajo, Albert Polman, Cruz I. Velasco +44
Over the past century, continuous advancements in electron microscopy have enabled the synthesis, control, and characterization of high-quality free-electron beams. These probes ca…
Realization of a Pre-Sample Photonic-based Free-Electron Modulator in Ultrafast Transmission Electron Microscopes
Beatrice Matilde Ferrari, Cameron James Richard Duncan, Michael Yannai +16
Spatial and temporal light modulation is a well-established technology that enables dynamic shaping of the phase and amplitude of optical fields, significantly enhancing the resolu…
Revisiting the excitation of the low-lying Ta isomer in optical laser-generated plasma
Simone Gargiulo, Ivan Madan, Benoit Truc +5
The excitation of the Ta isomer in the laser-plasma scenario was claimed to have been observed more than two decades ago. However, the reported experimental finding…
Free-Electron Ramsey-Type Interferometry for Enhanced Amplitude and Phase imaging of Nearfields
Tomer Bucher, Ron Ruimy, Shai Tsesses +4
The complex range of interactions between electrons and electromagnetic fields gave rise to countless scientific and technological advances. A prime example is photon-induced nearf…
Coherently amplified ultrafast imaging using a free-electron interferometer
Tomer Bucher, Harel Nahari, Hanan Herzig Sheinfux +18
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 micr…
Surface enhanced covalency and Madelung potentials in Nb doped SrTiO (100), (110) and (111) single crystals
G. M. Vanacore, L. F. Zagonel, N. Barrett
The influence of surface enhanced covalency on the Madelung potential is experimentally investigated using angle-resolved photoemission for (100), (110) and (111) SrTiO surface…
Generation and control of localized terahertz fields in photoemitted electron plasmas
Eduardo J. C. Dias, I. Madan, S. Gargiulo +6
Dense micron-sized electron plasmas, such as those generated upon irradiation of nanostructured metallic surfaces by intense femtosecond laser pulses, constitute a rich playground…
Ultrafast generation of hidden phases via energy-tuned electronic photoexcitation in magnetite
B. Truc, P. Usai, F. Pennacchio +8
Metal-insulator transitions (MIT) occurring in non-adiabatic conditions can evolve through high-energy intermediate states that are difficult to observe and control via static meth…
Ultrafast Transverse Modulation of Free Electrons by Interaction with Shaped Optical Fields
I. Madan, V. Leccese, A. Mazur +11
Spatio-temporal shaping of electron beams is a bold frontier in electron microscopy, enabling new routes toward spatial-resolution enhancement, selective probing, low-dose imaging…
Ultrafast Electron Microscopy of Nanoscale Charge Dynamics in Semiconductors
Michael Yannai, Raphael Dahan, Alexey Gorlach +11
The ultrafast dynamics of charge carriers in solids plays a pivotal role in emerging optoelectronics, photonics, energy harvesting, and quantum technology applications. However, th…
Charge dynamics electron microscopy: nanoscale imaging of femtosecond plasma dynamics
Ivan Madan, Eduardo J. C. Dias, Simone Gargiulo +11
Understanding and actively controlling the spatio-temporal dynamics of non-equilibrium electron clouds is fundamental for the design of light and electron sources, novel high-power…
Single-Pixel Imaging in Space and Time with Optically-Modulated Free Electrons
Andrea Konečná, Enzo Rotunno, Vincenzo Grillo +2
Single-pixel imaging, originally developed in light optics, facilitates fast three-dimensional sample reconstruction, as well as probing with light wavelengths undetectable by conv…
Indirect exciton-phonon dynamics in MoS2 revealed by ultrafast electron diffraction
Jianbo Hu, Yang Xiang, Beatrice Matilde Ferrari +2
Transition metal dichalcogenides layered nano-crystals are emerging as promising candidates for next-generation optoelectronic and quantum devices. In such systems, the interaction…
Photo-Induced Ultrafast Symmetry Switch in SnSe
Yadong Han, Junhong Yu, Hang Zhang +8
Layered tin selenide (SnSe) has recently emerged as a high-performance thermoelectric material with the current record for the figure of merit (ZT) observed in the high-temperature…
One-dimensional ghost imaging with an electron microscope: a route towards ghost imaging with inelastically scattered electrons
E. Rotunno, S. Gargiulo, G. M. Vanacore +11
In quantum mechanics, entanglement and correlations are not just a mere sporadic curiosity, but rather common phenomena at the basis of an interacting quantum system. In electron m…
Nanoscale-femtosecond dielectric response of Mott insulators captured by two-colour near-field ultrafast electron microscopy
Xuewen Fu, Francesco Barantani, Simone Gargiulo +8
Characterizing and controlling the out-of-equilibrium state of nanostructured Mott insulators hold great promises for emerging quantum technologies while providing an exciting play…
Ultrafast holography enabled by quantum interference of ultrashort electrons
I. Madan, G. M. Vanacore, E. Pomarico +7
Holography relies on the interference between a known reference and a signal of interest to reconstruct both the amplitude and phase of that signal. Commonly performed with photons…
Ultrafast Generation and Control of an Electron Vortex Beam via Chiral Plasmonic Near Fields
G. M. Vanacore, G. Berruto, I. Madan +12
Vortex-carrying matter waves, such as chiral electron beams, are of significant interest in both applied and fundamental science. Continuous wave electron vortex beams are commonly…
Observation of a phonon avalanche in highly photoexcited hybrid perovskite single crystals
G. M. Vanacore, J. Hu, E. Baldini +11
In hybrid lead halide perovskites, the coupling between photogenerated charges and the ionic degrees of freedom plays a crucial role in defining the intrinsic limit of carrier mobi…
From attosecond to zeptosecond coherent control of free-electron wave functions using semi-infinite light fields
G. M. Vanacore, I. Madan, G. Berruto +8
Light-electron interaction in empty space is the seminal ingredient for free-electron lasers and also for controlling electron beams to dynamically investigate materials and molecu…
meV resolution in laser-assisted energy-filtered transmission electron microscopy
E. Pomarico, I. Madan, G. Berruto +5
The electronic, optical, and magnetic properties of quantum solids are determined by their low-energy (< 100 meV) many-body excitations. Dynamical characterization and manipulation…
Laser-Induced Skyrmion Writing and Erasing in an Ultrafast Cryo-Lorentz Transmission Electron Microscopy
G. Berruto, I. Madan, Y. Murooka +11
We demonstrate that light-induced heat pulses of different duration and energy can write skyrmions in a broad range of temperatures and magnetic field in FeGe. Using a combination…
Hydrostatic strain enhancement in laterally confined SiGe nanostripes
G. M. Vanacore, M. Chaigneau, N. Barrett +16
Strain-engineering in SiGe nanostructures is fundamental for the design of optoelectronic devices at the nanoscale. Here we explore a new strategy, where SiGe structures are latera…