318 citations · 568 across the 15 of their papers we have counts for
15 papers
Non-Hermitian Optical Parametric Systems with Anti-parity-time Symmetry
Ben Li, Yanfang Zhang, Jing Wang +8
The continuous advancements in ultrafast lasers, characterized by high pulse energy, great average power, and ultrashort pulse duration, have opened up new frontiers and applicatio…
Direct ultrafast parametric amplification pumped by a picosecond thin-disk laser
Jing Wang, Peng Yuan, Dongfang Zhang +6
Optical quadratic nonlinearity is ultrafast in nature, while parametric interaction usually manifests only the broadband characteristic. Enormous progress has been made toward broa…
Phase-locking matter-wave interferometer of vortex states
Lingran Kong, Tianyou Gao, Longzhi Nie +5
Matter-wave interferometer of ultracold atoms with different linear momenta has been extensively studied in theory and experiment. The vortex matter-wave interferometer with differ…
Ultrafast electron diffractometer with Terahertz-driven pulse compression
Dongfang Zhang, Tobias Kroh, Felix Ritzkowsky +6
Terahertz (THz)-based electron manipulation has recently been shown to hold tremendous promise as a technology for manipulating and driving the next-generation of compact ultrafast…
Data hiding in complex-amplitude modulation using a digital micromirror device
Shuming Jiao, Dongfang Zhang, Chonglei Zhang +3
A digital micromirror device (DMD) is an amplitude-type spatial light modulator. However, a complex-amplitude light modulation with a DMD can be achieved using the superpixel schem…
Cascaded Multi-cycle terahertz driven ultrafast electron acceleration and manipulation
Dongfang Zhang, Moein Fakhari, Huseyin Cankaya +3
Terahertz (THz)-based electron acceleration and manipulation has recently been shown to be feasible and to hold tremendous promise as a technology for the development of next-gener…
Expansion dynamics of a spherical Bose-Einstein condensate
Ruizong Li, Tianyou Gao, Dongfang Zhang +5
We experimentally and theoretically observe the expansion behaviors of a spherical Bose-Einstein condensate. A rubidium condensate is produced in an isotropic optical dipole trap w…
Observation of quantum phase transition in spin-orbital-angular-momentum coupled Bose-Einstein condensate
Dongfang Zhang, Tianyou Gao, Peng Zou +8
Orbital angular momentum (OAM) of light represents a fundamental optical freedom that can be exploited to manipulate quantum state of atoms. In particular, it can be used to realiz…
Observation of phonon parametric down-conversion in a spherical Bose-Einstein condensate
Tianyou Gao, Jian-Song Pan, Dongfang Zhang +8
We report the observation of parametric down-conversion of phonons in a spherical Bose-Einstein condensate. The spherical symmetry, which is crucial for observing this phenomenon,…
Segmented Terahertz Electron Accelerator and Manipulator (STEAM)
Dongfang Zhang, Arya Fallahi, Michael Hemmer +8
Acceleration and manipulation of ultrashort electron bunches are the basis behind electron and X-ray devices used for ultrafast, atomic-scale imaging and spectroscopy. Using laser-…
Optimizing the optical imaging system by \emph{in-situ} imaging the plugged hole in the ultracold atoms
Tianyou Gao, Dongfang Zhang, Lingran Kong +2
Optical absorption imaging has become a common technique for detecting the density distribution of ultracold atoms. The defocus effect generally produces artificial spatial structu…
Production of rubidium Bose-Einstein condensate in an optically-plugged magnetic quadrupole trap
Dong-Fang Zhang, Tian-You Gao, Ling-Ran Kong +2
We have experimentally produced rubidium Bose-Einstein condensate in an optically-plugged magnetic quadrupole (OPQ) trap. A far blue-detuned focused laser beam with a wavelength of…
Terahertz-driven, all-optical electron gun
W. Ronny Huang, Arya Fallahi, Xiaojun Wu +7
Ultrashort electron beams with narrow energy spread, high charge, and low jitter are essential for resolving phase transitions in metals, semiconductors, and molecular crystals. Th…
Enhanced trapping of colding lithium by using the multiple-sideband cooling in a two-dimensional magneto-optical trap
Kai Li, Dongfang Zhang, Tianyou Gao +2
Trapping lithium with a big number in a simplified experimental setup has difficulties and challenges today. In this paper, we experimentally demonstrate the enhancement of \textsu…
Multiple Side-Band Generation for Two-Frequency Components Injected into a Tapered Amplifier
Hua Luo, Kai Li, Dongfang Zhang +2
We have experimentally studied the multiple side-band generation for two-frequency components injected into a tapered amplifier and demonstrated its effects on atomic laser cooling…