Attosecond spectroscopy for the investigation of ultrafast dynamics in atomic, molecular and solid-state physics
R Borrego-Varillas, M Lucchini… - Reports on Progress in …, 2022 - iopscience.iop.org
Since the first demonstration of the generation of attosecond pulses (1 as= 10− 18 s) in the
extreme-ultraviolet spectral region, several measurement techniques have been introduced …
extreme-ultraviolet spectral region, several measurement techniques have been introduced …
Field-driven attosecond charge dynamics in germanium
The possibility to excite and control charges in matter on ultrafast timescales is a key
requisite to overcome the current limits of information transfer and data processing. The …
requisite to overcome the current limits of information transfer and data processing. The …
[HTML][HTML] Mercury chalcogenide colloidal quantum dots for infrared photodetectors
Q Hao, H Ma, X Xing, X Tang, Z Wei, X Zhao, M Chen - Materials, 2023 - mdpi.com
In recent years, mercury chalcogenide colloidal quantum dots (CQDs) have attracted
widespread research interest due to their unique electronic structure and optical properties …
widespread research interest due to their unique electronic structure and optical properties …
[HTML][HTML] Unravelling the intertwined atomic and bulk nature of localised excitons by attosecond spectroscopy
The electro-optical properties of most semiconductors and insulators of technological
interest are dominated by the presence of electron-hole quasi-particles, called excitons. The …
interest are dominated by the presence of electron-hole quasi-particles, called excitons. The …
Attosecond screening dynamics mediated by electron localization in transition metals
Transition metals, with their densely confined and strongly coupled valence electrons, are
key constituents of many materials with unconventional properties, such as high …
key constituents of many materials with unconventional properties, such as high …
High-order harmonic generation in graphene: Nonlinear coupling of intraband and interband transitions
We investigate high-order harmonic generation (HHG) in graphene with a quantum master
equation approach. The simulations reproduce the observed enhancement in HHG in …
equation approach. The simulations reproduce the observed enhancement in HHG in …
Electronic coherence and coherent dephasing in the optical control of electrons in graphene
C Heide, T Eckstein, T Boolakee, C Gerner… - Nano Letters, 2021 - ACS Publications
Electronic coherence is of utmost importance for the access and control of quantum-
mechanical solid-state properties. Using a purely electronic observable, the photocurrent …
mechanical solid-state properties. Using a purely electronic observable, the photocurrent …
Enhanced high-order harmonic generation in semiconductors by excitation with multicolor pulses
X Song, S Yang, R Zuo, T Meier, W Yang - Physical Review A, 2020 - APS
We investigate high-order harmonic generation (HHG) in ZnO driven by linearly polarized
multicolor pulses. It is shown that the intensities of the harmonics in the plateau region can …
multicolor pulses. It is shown that the intensities of the harmonics in the plateau region can …
Interaction of carrier envelope phase-stable laser pulses with graphene: the transition from the weak-field to the strong-field regime
Ultrafast control of electron dynamics in solid state systems has recently found particular
attention. By increasing the electric field strength of laser pulses, the light–matter interaction …
attention. By increasing the electric field strength of laser pulses, the light–matter interaction …
[HTML][HTML] Mid-IR intraband photodetectors with colloidal quantum dots
X Zhao, G Mu, X Tang, M Chen - Coatings, 2022 - mdpi.com
In this paper, we investigate an intraband mid-infrared photodetector based on HgSe
colloidal quantum dots (CQDs). We study the size, absorption spectra, and carrier mobility of …
colloidal quantum dots (CQDs). We study the size, absorption spectra, and carrier mobility of …