415 citations · 2.6k across the 49 of their papers we have counts for
53 papers
Photonic and Electronic Interaction of TMD-Hybridized ZnO Nanowire Lasers
Moritz Willems, Edwin Eobaldt, Alexander Zaunick +11
Semiconductor nanowire lasers are promising on-chip coherent light sources for photonic integrated circuits, but integration inevitably places them in contact with other materials,…
High-Harmonic Generation Probes Quantum Nuclear Fluctuations in Liquid Water
George Trenins, Nicolas Tancogne-Dejean, Angana Mondal +5
Nuclear quantum effects are essential for an accurate description of the hydrogen-bonded structure of liquid water, yet their spectroscopic signatures can be subtle and difficult t…
Pulse-Duration Control of Subcycle Multiband Electron Dynamics Extends the High-Harmonic Cutoff in a Light-Driven Insulator
Hortense Allegre, Simon V. B. Jensen, Joseph J. Broughton +7
We demonstrate pathway-selective control of extreme-ultraviolet high-harmonic generation by jointly tuning laser pulse duration ( - fs) and intensity ( - TW/cm$^2…
Attosecond-resolved probing of recolliding electron wave packets in liquids and aqueous solutions
Angana Mondal, Nicolas Tancogne-Dejean, George Trenins +8
High-harmonic spectroscopy (HHS) in liquids promises real-time access to ultrafast electronic dynamics in the native environment of chemical and biological processes. While electro…
Multi-plateau high-harmonic generation in liquids driven by off-site recombination
Angana Mondal, Ofer Neufeld, Tadas Balciunas +7
Non-perturbative high-harmonic generation (HHG) has recently been observed in the liquid phase, where it was demonstrated to have a different physical mechanism compared to gas and…
Local-density correlation functional from the force-balance equation
Nicolas Tancogne-Dejean, Markus Penz, Michael Ruggenthaler +1
The force-balance equation of time-dependent density-functional theory presents a promising route towards obtaining approximate functionals, however, so far, no practical correlati…
Real-time simulations of laser-induced electron excitations in crystalline ZnO
Xiao Chen, Thomas Lettau, Ulf Peschel +2
We investigate non-equilibrium electron dynamics in crystalline ZnO induced by ultrashort, relatively intense, infrared laser pulses. Our focus is on understanding the mechanism th…
Correlations drive the attosecond response of strongly-correlated insulators
Romain Cazali, Amina Alic, Matthieu Guer +8
Attosecond spectroscopy of materials has provided invaluable insight into light-driven coherent electron dynamics. However, attosecond spectroscopies have so far been focused on we…
Origin of the insulating and superconducting phases in molecular solid -(BEDT-TTF)Cu(CN)
Dongbin Shin, Fabijan Pavošević, Nicolas Tancogne-Dejean +3
Recent studies of organic molecular solids are highlighted by their complex phase diagram and light-induced phenomena, such as Mott insulator, spin liquid phase, and superconductiv…
Light-induced renormalization of the band structure of chiral tellurium
G. Gatti, N. Tancogne-Dejean, H. Hübener +11
Chirality in tellurium derives from a Peierls distortion driven by strong electron-phonon coupling, making this material a unique candidate for observing a light-induced topologica…
Beyond Electric-Dipole Treatment of Light-Matter Interactions in Materials: Nondipole Harmonic Generation in Bulk Si
Simon Vendelbo Bylling Jensen, Nicolas Tancogne-Dejean, Angel Rubio +1
A beyond electric-dipole light-matter theory is needed to describe emerging X-ray and THz applications for characterization and control of quantum materials but inaccessible as non…
Nonlinear photomagnetization in insulators
Bernardo S. Mendoza, Norberto Arzate-Plata, Nicolas Tancogne-Dejean +1
Nonlinear photomagnetization is a process by which an oscillating electric field induces a static magnetization. We show that all 32 crystallographic point groups admit such spin p…
Engineering 2D square lattice Hubbard models in 90 twisted Ge/SnX (X=S, Se) moiré supperlattices
Qiaoling Xu, Ammon Fischer, Nicolas Tancogne-Dejean +6
Due to the large-period superlattices emerging in moire two-dimensional (2D) materials, electronic states in such systems exhibit low energy flat bands that can be used to simulate…
Electron-Photon Exchange-Correlation Approximation for QEDFT
I-Te Lu, Michael Ruggenthaler, Nicolas Tancogne-Dejean +3
Quantum-electrodynamical density-functional theory (QEDFT) provides a promising avenue for exploring complex light-matter interactions in optical cavities for real materials. Simil…
Exchange-only virial relation from the adiabatic connection
Andre Laestadius, Mihály A. Csirik, Markus Penz +4
The exchange-only virial relation due to Levy and Perdew is revisited. Invoking the adiabatic connection, we introduce the exchange energy in terms of the right-derivative of the u…
Self-interaction correction schemes for non-collinear spin-density-functional theory
Nicolas Tancogne-Dejean, Martin Lüders, Carsten A. Ullrich
We extend some of the well established self-interaction correction (SIC) schemes of density-functional theory to the case of systems with noncollinear magnetism. Our proposed SIC s…
High-harmonic spectroscopy of strongly bound excitons in solids
Simon Vendelbo Bylling Jensen, Lars Bojer Madsen, Angel Rubio +1
We explore the nonlinear response of ultrafast strong-field driven excitons in a one-dimensional solid with ab initio simulations. We demonstrate from our simulations and analytica…
Are there universal signatures of topological phases in high harmonic generation? Probably not
Ofer Neufeld, Nicolas Tancogne-Dejean, Hannes Hübener +2
High harmonic generation (HHG) has developed in recent years as a promising tool for ultrafast materials spectroscopy. At the forefront of these advancements, several works propose…
An ab initio supercell approach for high-harmonic generation in liquids
Zahra Nourbakhsh, Ofer Neufeld, Nicolas Tancogne-Dejean +1
Many important ultrafast phenomena take place in the liquid phase. However, there is no practical theory to predict how liquids respond to intense light. Here, we propose an $ab~in…
High-harmonic generation in liquids with few-cycle pulses: effect of laser-pulse duration on the cut-off energy
Angana Mondal, Benedikt Waser, Tadas Balciunas +5
High-harmonic generation (HHG) in liquids is opening new opportunities for attosecond light sources and attosecond time-resolved studies of dynamics in the liquid phase. In gas-pha…
Polarization Spectroscopy of High-Order Harmonic Generation in Gallium Arsenide
Shatha Kaassamani, Thierry Auguste, Nicolas Tancogne-Dejean +4
An interesting property of high harmonic generation in solids is its laser polarization dependent nature which in turn provides information about the crystal and band structure of…
Ultrafast Spin Dynamics and Photoinduced Insulator-to-Metal Transition in -
Jin Zhang, Nicolas Tancogne-Dejean, Lede Xian +4
Laser-induced ultrafast demagnetization is a phenomenon of utmost interest and attracts significant attention because it enables potential applications in ultrafast optoelectronics…
Exchange torque in noncollinear spin density functional theory with a semilocal exchange functional
Nicolas Tancogne-Dejean, Angel Rubio, Carsten A. Ullrich
We present a semilocal exchange-correlation energy functional for noncollinear spin density functional theory based on short-range expansions of the spin-resolved exchange hole and…
Attosecond magnetization dynamics in non-magnetic materials driven by intense femtosecond lasers
Ofer Neufeld, Nicolas Tancogne-Dejean, Umberto De Giovannini +2
Irradiating solids with ultrashort laser pulses is known to initiate femtosecond timescale magnetization dynamics. However, sub-femtosecond spin dynamics have not yet been observed…