Generation of attosecond light pulses from gas and solid state media

S Chatziathanasiou, S Kahaly, E Skantzakis… - Photonics, 2017 - mdpi.com
Real-time observation of ultrafast dynamics in the microcosm is a fundamental approach for
understanding the internal evolution of physical, chemical and biological systems. Tools for …

Time-resolved investigation of a high-repetition-rate gas-jet target for high-harmonic generation

B Nagyillés, Z Diveki, A Nayak, M Dumergue… - Physical Review …, 2023 - APS
High-repetition-rate gas targets constitute an essential component in intense laser matter
interaction studies. The technology becomes challenging as the repetition rate approaches …

High-order harmonic generation in a strongly overdriven regime

B Major, K Kovács, E Svirplys, M Anus, O Ghafur… - Physical Review A, 2023 - APS
High-order harmonic generation (HHG) normally requires a careful adjustment of the driving
laser intensity (typically 10 14–10 15 W/cm 2) and gas medium parameters to obtain a …

Robust, tunable, and high purity triggered single photon source at room temperature using a nitrogen-vacancy defect in diamond in an open microcavity

PR Dolan, S Adekanye, AAP Trichet, S Johnson… - Optics express, 2018 - opg.optica.org
We report progress in the development of tunable room temperature triggered single photon
sources based on single nitrogen-vacancy (NV) centres in nanodiamond coupled to open …

Single-shot extreme-ultraviolet wavefront measurements of high-order harmonics

H Dacasa, H Coudert-Alteirac, C Guo, E Kueny… - Optics …, 2019 - opg.optica.org
We perform wavefront measurements of high-order harmonics using an extreme-ultraviolet
(XUV) Hartmann sensor and study how their spatial properties vary with different generation …

Detailed study of quantum path interferences in high harmonic generation driven by chirped laser pulses

T Csizmadia, LG Oldal, P Ye, S Majorosi… - New Journal of …, 2021 - iopscience.iop.org
We investigate the electron quantum path interference (QPI) effects during high harmonic
generation in atomic gas medium driven by ultrashort chirped laser pulses. To achieve that …

Propagation-enhanced generation of intense high-harmonic continua in the 100-eV spectral region

DE Rivas, B Major, M Weidman, W Helml, G Marcus… - Optica, 2018 - opg.optica.org
The study of core electron dynamics through nonlinear spectroscopy requires intense
isolated attosecond extreme ultraviolet or even X-ray pulses. A robust way to produce these …

Density-based one-dimensional model potentials for strong-field simulations in He, , and

S Majorosi, MG Benedict, F Bogár, G Paragi, A Czirják - Physical Review A, 2020 - APS
We present results on the accurate one-dimensional (1D) modeling of simple atomic and
molecular systems excited by strong laser fields. We use atomic model potentials that we …

Artificial neural network trained to predict high-harmonic flux

AMM Gherman, K Kovács, MV Cristea, V Toșa - Applied Sciences, 2018 - mdpi.com
Featured Application We present a method based on artificial neural networks—as an
efficient procedure—aimed to predict the outcome of high-order harmonic generation …

Effect of plasma-core-induced self-guiding on phase matching of high-order harmonic generation in gases

B Major, K Kovács, V Tosa, P Rudawski, A L'Huillier… - JOSA B, 2019 - opg.optica.org
In this work, we numerically study a self-guiding process in which ionization plays a
dominant role and analyze its effect on high-order harmonic generation (HHG) in gases …