Determining the optimum thickness for high harmonic generation from nanoscale thin films: An ab initio computational study

S Yamada, K Yabana - Physical Review B, 2021 - APS
We theoretically investigate high harmonic generation (HHG) from silicon thin films with
thicknesses from a few atomic layers to a few hundreds of nanometers, to determine the …

Nonlinear optics of graphitic carbon allotropes: from 0D to 3D

Z Tan, J Dong, Y Liu, Q Luo, Z Li, T Yun, T Jiang… - Nanoscale, 2025 - pubs.rsc.org
The dimensionality of materials fundamentally influences their electronic and optical
properties, presenting a complex interplay with nonlinear optical (NLO) characteristics that …

Spectral control of high order harmonics through non-linear propagation effects

M Hussain, S Kaassamani, T Auguste, W Boutu… - Applied Physics …, 2021 - pubs.aip.org
High harmonic generation (HHG) in crystals has revealed a wealth of perspectives such as
all-optical mapping of the electronic band structure, ultrafast quantum information, and the …

Analyzing excitation-energy transfer based on the time-dependent density functional theory in real time

T Trepl, I Schelter, S Kummel - Journal of Chemical Theory and …, 2022 - ACS Publications
Excitation-energy transfer is a key step in processes such as photosynthesis that convert
light into other forms of energy. Time-dependent density functional theory (DFT) in real time …

Laser-controlled charge transfer in a two-dimensional organic/inorganic optical coherent nanojunction

M Jacobs, J Krumland, C Cocchi - ACS Applied Nano Materials, 2022 - ACS Publications
Understanding the fundamental mechanisms ruling laser-induced coherent charge transfer
in hybrid organic/inorganic interfaces is of paramount importance to exploit these systems in …

Formation of NV centers in diamond by a femtosecond laser single pulse

Y Shimotsuma, K Kinouchi, R Yanoshita, M Fujiwara… - Optics …, 2023 - opg.optica.org
The NV centers in a diamond were successfully created by the femtosecond laser single
pulse. We also investigated the effect on the diamond lattice induced by the different laser …

[HTML][HTML] Laser writing of preferentially orientated nitrogen-vacancy centers in diamond

K Kinouchi, Y Shimotsuma, M Uemoto, M Fujiwara… - Carbon Trends, 2023 - Elsevier
Nitrogen-vacancy centers in diamond have gained widespread attention as quantum
systems that can be applied in quantum information devices. The excellent properties of …

Impact of nuclear effects on the ultrafast dynamics of an organic/inorganic mixed-dimensional interface

M Jacobs, K Fidanyan, M Rossi, C Cocchi - Electronic Structure, 2024 - iopscience.iop.org
Electron dynamics at weakly bound interfaces of organic/inorganic materials are easily
influenced by large-amplitude nuclear motion. In this work, we investigate the effects of …

Interaction of intense ultrashort laser pulses with solid targets: A systematic analysis using first-principles calculations

A Yamada, K Yabana - Physical Review B, 2024 - APS
Intense ultrashort laser pulse irradiation of solid targets was systematically investigated at
the first-principles level, both theoretically and computationally. In the method, the …

[HTML][HTML] Nonlinear dynamics of electromagnetic field and valley polarization in WSe2 monolayer

A Hashmi, S Yamada, A Yamada, K Yabana… - Applied Physics …, 2022 - pubs.aip.org
The linear and nonlinear optical response of a WSe 2 monolayer is investigated by a two-
dimensional Maxwell plus time-dependent density functional theory with spin–orbit …