172 citations · 883 across the 23 of their papers we have counts for
23 papers
Carrier-Resolved Attosecond Valley Polarimetry of Monolayer MoS
Navdeep Rana, Lun Yue, Mette B. Gaarde
In recent years, all-optical writing and switching of valley polarization in two-dimensional semiconductors has been demonstrated on femtosecond timescales. Reading this polarizati…
Probing lattice fluctuations using solid-state high-harmonic spectroscopy
Lance Hatch, Navdeep Rana, Shoushou He +8
Solid-state high-harmonic spectroscopy allows the study of strongly driven ultrafast electron dynamics. Microscopically, high harmonics are generated by strong-laser-field accelera…
Disentangling High Harmonic Generation from Surface and Bulk States of a Topological Insulator
Sha Li, Wenyi Zhou, Kazi A. Imroz +9
The discovery of topological phases has introduced a new dimension to materials science. Three-dimensional (3D) topological insulators (TIs) are a remarkable class of matter that i…
Direct measurement of photoinduced transient conducting state in multilayer 2H-MoTe2
XinYu Zhou, H Wang, Q M Liu +11
Ultrafast light-matter interaction has emerged as a powerful tool to control and probe the macroscopic properties of functional materials, especially two-dimensional transition met…
Flat optical conductivity in the topological kagome magnet TbMnSn
R. S. Li, Tan Zhang, Wenlong Ma +13
Kagome magnet TbMnSn is a new type of topological material that is known to support exotic quantum magnetic states. Experimental work has identified that TbMnSn hos…
Characterizing Anomalous High-Harmonic Generation in Solids
Lun Yue, Mette B. Gaarde
Anomalous high-harmonic generation (HHG) arises in certain solids when irradiated by an intense laser field, as the result of a nonlinear perpendicular current akin to a Hall curre…
Signatures of multi-band effects in high-harmonic generation in monolayer MoS
Lun Yue, Richard Hollinger, Can B. Uzundal +10
High-harmonic generation (HHG) in solids has been touted as a way to probe ultrafast dynamics and crystal symmetries in condensed matter systems. Here, we investigate the polarizat…
Introduction to theory of high-harmonic generation in solids: tutorial
Lun Yue, Mette B. Gaarde
High-harmonic generation (HHG) in solids has emerged in recent years as a rapidly expanding and interdisciplinary field, attracting attention from both the condensed-matter and the…
Optical spectroscopy and ultrafast pump-probe study of structural phase transition in 1T'-TaTe2
T. C. Hu, Q. Wu, Z. X. Wang +10
1T'-TaTe2 exhibits an intriguing first-order structural phase transition at around 170 K. Understanding the electronic structural properties is a crucial way to comprehend the orig…
Expanded view of electron-hole recollisions in solid-state high-order harmonic generation: Full-Brillouin-zone tunneling and imperfect recollisions
Lun Yue, Mette B. Gaarde
We theoretically investigate electron-hole recollisions in high-harmonic generation (HHG) in band-gap solids irradiated by linearly and elliptically polarized drivers. We find that…
Structure- and laser-gauges for the semiconductor Bloch equations in high-harmonic generation in solids
Lun Yue, Mette B. Gaarde
The semiconductor Bloch equations (SBEs) are routinely used for simulations of strong-field laser-matter interactions in condensed matter. In systems without inversion or time-reve…
Imperfect Recollisions in High-Harmonic Generation in Solids
Lun Yue, Mette Gaarde
We theoretically investigate high-harmonic generation in hexagonal boron nitride with linearly polarized laser pulses. We show that imperfect recollisions between electron-hole pai…
Attosecond time-domain measurement of core-excitonic decay in magnesium oxide
Romain Géneaux, Christopher J. Kaplan, Lun Yue +11
Excitation of ionic solids with extreme ultraviolet pulses creates localized core-excitons, which in some cases couple strongly to the lattice. Here, core-excitonic states of magne…
Goldilocks Zone for Enhanced Ionization in Strong Laser Fields
M. Möller, A. M. Sayler, P. Wustelt +3
Utilizing a benchmark measurement of laser-induced ionization of an H molecular ion beam target at infrared wavelength around 2 m, we show that the characteristic two-peak…
Attosecond transient-absorption spectroscopy of polar molecules
Jørgen Johansen Rørstad, Nikolaj S. W. Ravn, Lun Yue +1
We apply attosecond transient absorption spectroscopy (ATAS) to explore the effects of a nonzero permanent dipole on electron dynamics at the subfemtosecond scale, exemplified in t…
Strong-Field Polarizability-Enhanced Dissociative Ionization
Lun Yue, Philipp Wustelt, A. Max Sayler +2
We investigate dissociative single and double ionization of HeH+ induced by intense femtosecond laser pulses. By employing a semi-classical model with nuclear trajectories moving o…
Imaging the Renner-Teller effect using laser-induced electron diffraction
Kasra Amini, Michele Sclafani, Tobias Steinle +18
Structural information on electronically excited neutral molecules can be indirectly retrieved, largely through pump-probe and rotational spectroscopy measurements with the aid of…
Heteronuclear Limit of Strong-Field Ionization: Fragmentation of HeH by Intense Ultrashort Laser Pulses
P. Wustelt, F. Oppermann, Lun Yue +6
The laser-induced fragmentation dynamics of this most fundamental polar molecule HeH are measured using an ion beam of helium hydride and an isotopologue at various wavelengths…
Inter- and intracycle interference effects in strong-field dissociative ionization
Lun Yue, Lars Bojer Madsen
We theoretically study dissociative ionization of H exposed to strong linearly polarized few-cycle visible, near-infrared and midinfrared laser pulses. We find rich energy-sh…
Characterization of Molecular Breakup by Very Intense Femtosecond XUV Laser Pulses
Lun Yue, Lars Bojer Madsen
We study the breakup of exposed to super-intense, femtosecond laser pulses with frequencies greater than that corresponding to the ionization potential. By solving t…
Nuclear-Motion Effects in Attosecond Transient Absorption Spectroscopy of Molecules
Jens E. Bækhøj, Lun Yue, Lars Bojer Madsen
We investigate the characteristic effects of nuclear motion on attosecond transient absorption spectra in molecules by calculating the spectrum for different model systems. Two mod…
Dissociation and dissociative ionization of H2+ using the time-dependent surface flux method
Lun Yue, Lars Bojer Madsen
The time-dependent surface flux method developed for the description of electronic spectra [L. Tao and A. Scrinzi, New J. Phys. 14, 013021 (2012); A. Scrinzi, New J. Phys. 14, 0850…
Dissociative ionization of H2+ using intense femtosecond XUV laser pulses
Lun Yue, Lars Bojer Madsen
The dissociative ionization of H2+ interacting with intense, femtosecond extreme-ultraviolet laser pulses is investigated theoretically. This is done by numerical propagation of th…