212 citations · 2k across the 74 of their papers we have counts for
18 papers · 1 filter
Solid-State High-Order Harmonic Generation: Emerging Frontiers in Ultrafast and Quantum Light Science
Marcelo F. Ciappina
High-order harmonic generation (HHG) in solids has emerged as a versatile platform for exploring ultrafast and quantum-coherent phenomena in condensed matter. Recent advances revea…
Two-color harmonic spectroscopy of ultrafast Dirac electron dynamics
Zhaopin Chen, Camilo Granados, Eyal Uzner +5
High-harmonic generation (HHG), the hallmark effect of attosecond science, is a nonperturbative nonlinear process leading to the emission of high-harmonic light from gases and soli…
High-Order Harmonic Generation Driven by Perfect Optical Vortex Beams: Exploring the Orbital Angular Momentum Upscaling Law
Bikash Kumar Das, C. Granados, M. Krüger +1
Orbital angular momentum (OAM) light beams for high-order harmonic generation (HHG) provide an additional degree of freedom to study the light-matter interaction at ultrafast times…
Table-Top Tunable Chiral Photonic Emitter
Lu Wang, Marcelo Fabián Ciappina, Thomas Brabec +1
The increasing interest in chiral light stems from its spiral trajectory along the propagation direction, facilitating the interaction between different polarization states of ligh…
Principal frequency, super-bandwidth, and low-order harmonics generated by super-oscillatory pulses
Enrique G. Neyra, Demian A. Biasetti, Fabián Videla +2
An alternative definition to the main frequency of an ultra-short laser pulse, named principal frequency (), was recently introduced in E.G. Neyra, et al. Phys. Rev. A 103, 05…
Effective super-bandwidth in laser pulses
Enrique G. Neyra, Demian A. Biasetti, Pablo Vaveliuk +4
We present here a theoretical analysis of the interaction between an ideal two-level quantum system and a super-oscillatory pulse, like the one proposed and successfully synthesize…
Quantum-Optical Spectrometry in Relativistic Laser-Plasma Interactions Using the High-Harmonic Generation Process: A Proposal
Theocharis Lamprou, Rodrigo Lopez-Martens, Stefan Haessler +8
Quantum-optical spectrometry is a recently developed shot-to-shot photon correlation-based method, namely using a quantum spectrometer (QS), that has been used to reveal the quantu…
Enhanced high-harmonic generation from chromium-doped magnesium oxide
V. E. Nefedova, S. Fröhlich, N. Tancogne-Dejean +15
High-order harmonic generation (HHG) from crystals offers a new source of coherent extreme ultraviolet (XUV) attosecond radiation.
Perspective on petahertz electronics and attosecond nanoscopy
J. Schoetz, Z. Wang, E. Pisanty +3
The field of attosecond nanophysics, combining the research areas of attosecond physics with nanoscale physics, has experienced a considerable rise in recent years both experimenta…
Non-adiabatic ponderomotive effects in photoemission from nanotips in intense mid-infrared laser fields
Johannes Schötz, Sambit Mitra, Harald Fuest +10
Transient near-fields around metallic nanotips drive many applications, including the generation of ultrafast electron pulses and their use in electron microscopy. We have investig…
Extraction of higher-order nonlinear electronic response to strong field excitation in solids using high harmonic generation
Seunghwoi Han, Lisa Ortmann, Hyunwoong Kim +9
State-of-the-art experiments employ strong ultrafast optical fields to study the nonlinear response of electrons in solids on an attosecond time-scale. Notably, a recent experiment…
Spectral Interference in High Harmonic Generation from Solids
Yong Woo Kim, Tian-Jiao Shao, Hyunwoong Kim +5
Various interference effects are known to exist in the process of high harmonic generation (HHG) both at the single atom and macroscopic levels. In particular, the quantum path dif…
Optical Control of Young's Type Double-slit Interferometer for Laser-induced Electron Emission from a Nano-tip
Hirofumi Yanagisawa, Marcelo Ciappina, Christian Hafner +3
Interference experiments with electrons in a vacuum can illuminate both the quantum and the nanoscale nature of the underlying physics. An interference experiment requires two cohe…
Coherent XUV generation driven by sharp metal tips photoemission
M. F. Ciappina, J. A. Pérez-Hernández, T. Shaaran +1
It was already experimentally demonstrated that high-energy electrons can be generated using metal nanotips as active media. In addition, it has been theoretically proven that the…
High-order harmonic generation driven by metal nanotip photoemission: theory and simulations
M. F. Ciappina, J. A. Pérez-Hernández, M. Lewenstein +2
We present theoretical predictions of high-order harmonic generation (HHG) resulting from the interaction of short femtosecond laser pulses with metal nanotips. It has been demonst…
ClassSTRONG: Classical simulations of Strong Field processes
M. F. Ciappina, J. A. Pérez-Hernández, M. Lewenstein
A set of Mathematica functions is presented to model classically two of the most important processes in strong field physics, namely high-order harmonic generation (HHG) and above-…
High energy photoelectron emission from gases using plasmonics enhanced near-fields
M F Ciappina, T Shaaran, R Guichard +6
We study theoretically the photoelectron emission in noble gases using plasmonic enhanced near-fields. We demonstrate that these fields have a great potential to generate high ener…
Beyond Carbon K-edge harmonic emission using spatial and temporal synthesized laser field
J. A. Pérez-Hernández, M. F. Ciappina, M. Lewenstein +2
We present numerical simulations of high-order harmonic generation in helium using a temporally synthesised and spatially non-homogeneous strong laser field. The combination of tem…