20 citations · 97 across the 17 of their papers we have counts for
17 papers
Symmetry-Breaking Electron Dynamics Enable Ultrabroadband Optical-Field Sampling via Second-Harmonic Generation
Wenqi Tang, Ahai Chen, Michael Klaiber +4
Optical-field sampling using second-harmonic generation (SHG) from strong-field ionization enables ultrabroadband terahertz detection, but the microscopic origin of the SHG signal…
Experimental Realization of All-Optical Terahertz Attoclock
Yanjun Gao, Yizhu Zhang, Yulin Chen +8
The attoclock is a powerful tool for probing ultrafast electron dynamics with attosecond precision.Here, we demonstrate an all-optical terahertz (THz) attoclock that reconstructs p…
Temporal-Spatial Manipulation of Bi-Focal Bi-Chromatic Fields for Terahertz Radiations
Jingjing Zhao, Yizhu Zhang, Yanjun Gao +5
Mixing the fundamental () and the second harmonic (2) waves in gas phase is a widely employed technique for emitting terahertz (THz) pulses. The THz generation driven by bi-c…
Probing Electronic Motion and Core Potential by Coulomb-reshaped Terahertz Radiation
Ziyang Gan, Kaixuan Zhang, Yuan Gao +5
The nature of electronic motion and structural information of atoms and molecules is encoded into strong-field induced radiations ranging from terahertz (THz) to extreme ultraviole…
Coulomb potential determining terahertz polarization in two-color laser field
Yuan Gao, Yizhu Zhang, Kaixuan Zhang +3
The orientation and ellipticity of terahertz (THz) polarization generated by two-color strong field not only cast light on underlying mechanisms of laser-matter interaction, but al…
Intensity-surged and Bandwidth-extended Terahertz Radiation in Two-foci Cascading Plasmas
Yizhu Zhang, Zhi-Hong Jiao, Tao He +7
The two-color strong-field mixing in gas medium is a widely-used approach to generate bright broadband terahertz (THz) radiation. Here, we present a new and counterintuitive method…
Terahertz field induced near-cutoff even-order harmonics in femtosecond laser
Bing-Yu Li, Yizhu Zhang, Tian-Min Yan +1
High-order harmonic generation by femtosecond laser pulse in the presence of a moderately strong terahertz (THz) field is studied under the strong field approximation, showing a si…
Ellipticity-dependent sequential over-barrier ionization of cold rubidium
Junyang Yuan, Shiwei Liu, Xincheng Wang +10
We perform high-resolution measurements of momentum distribution on Rb recoil ions up to charge state , where laser-cooled rubidium atoms are ionized by femtosecond ell…
Terahertz Emisssion from Quantum Interference of Electron Trajectories
Yizhu Zhang, Kaixuan Zhang, Tian-Min Yan +1
The semiclassical electron trajectory, the so-called quantum orbits, is employed to explain the terahertz wave generation (TWG) in dual-color strong field, and the feasibility of t…
Momentum spectroscopy for multiple ionization of cold rubidium in the elliptically polarized laser field
Junyang Yuan, Yixuan Ma, Renyuan Li +8
Employing recent developed magneto-optical trap recoil ion momentum spectroscopy (MOTRIMS) combining cold atom, strong laser pulse, and ultrafast technologies, we study momentum di…
Dual-Color Laser Induced Terahertz Generation in Strong Field Approximation
Kaixuan Zhang, Yizhu Zhang, Shuai Li +3
The mechanism of the terahertz (THz) wave generation (TWG) in dual-color fields is elucidated within the theoretical framework of single-atom based strong field approximation (SFA)…
Recoil-ion momentum spectroscopy of photoionization of cold rubidium atoms in a strong laser field
Renyuan Li, Junyang Yuan, Xinya Hou +11
We study photoionization of cold rubidium atoms in a strong infrared laser field using a magneto-optical trap (MOT) recoil ion momentum spectrometer. Three types of cold rubidium t…
Terahertz generation in dual-color laser: continuum electron in strong-field single-atom ionization
Kaixuan Zhang, Yizhu Zhang, T. -M. Yan +1
The terahertz (THz) generation in a dual-color field was investigated experimentally by precisely controlling the relative time delay and polarization of dual-color lasers,…
Ultrafast Mapping of Coherent Dynamics and Density Matrix Reconstruction in Terahertz-Assisted Laser Field
Yizhu Zhang, Tian-Min Yan, Y. H. Jiang
A time-resolved spectroscopic protocol exploiting terahertz-assisted photoionization is proposed to reconstruct transient density matrix. Population and coherence elements are effe…
Terahertz Wave Guiding by Femtosecond Laser Filament in Air
Jiayu Zhao, Yizhu Zhang, Zhi Wang +5
Femtosecond laser filament generates strong terahertz (THz) pulse in air. In this paper, THz pulse waveform generated by femtosecond laser filament has been experimentally investig…
Quantum Interferometry and Correlated Two-Electron Wave-Packet Observation in Helium
Christian Ott, Andreas Kaldun, Philipp Raith +7
The concerted motion of two or more bound electrons governs atomic and molecular non-equilibrium processes and chemical reactions. It is thus a long-standing scientific dream to me…
Two-Dimensional Spectral Interferometry using the Carrier-Envelope Phase
Christian Ott, Michael Schönwald, Philipp Raith +4
Two- and multi-dimensional spectroscopy is used in physics and chemistry to obtain structural and dynamical information that would otherwise be invisible by the projection into a o…