29 citations · 81 across the 18 of their papers we have counts for
20 papers
Unveiling High-Energy Ultrafast Responses Driven by Fermi-Level Gap Opening in Charge-Density Waves
Qiong Wu, Tianchen Hu, Junhan Huang +8
Ultrafast pump-probe spectroscopy is indispensable for investigating interactions, collective excitations, and nonequilibrium dynamics in superconductors and correlated electron sy…
Revealing Hidden Inversion Symmetry Breaking in ZrTe via Phonon-Assisted Heterodyne Amplification
S. J. Li, J. H. Huang, H. Y. Wu +13
ZrTe is a sensitive topological material where small perturbations can alter its electronic structure. Its equilibrium crystal structure has been widely regarded as centrosymme…
Temperature-driven sodium-ion dynamical-to-static crossover in the zig-zag ordered phase of NaCoO
Shangfei Wu, Hengxin Tan, Dong Wu +7
We employ polarization-resolved Raman spectroscopy combined with first-principles calculations to study the sodium-ion lattice dynamics in a sodium zig-zag ordered cobaltate compou…
Coherent seeding and control of dynamical ferroelectricity by phonon anharmonicity
Junhan Huang, Yongkang Ju, Xinbo Wang +12
Optical control of quantum materials has progressed along two separate directions: creating non-equilibrium states inaccessible at equilibrium, and coherently controlling ultrafast…
Terahertz frequency upconversion by coherently driving charge dynamics in the InSb/CdTe heterostructure
Pai Peng, Mingxiang Pan, Jiuming Liu +10
We investigate terahertz (THz) harmonic generation in the InSb/CdTe heterostructure, demonstrating, for the first time, efficient in-plane magnetic field-induced second-harmonic ge…
Ultrafast Terahertz and Optical Spectroscopy under Synergetic Extreme Conditions
Xinbo Wang, Tao Dong, Jianlin Luo +1
Elucidating and manipulating emergent phases in complex materials requires direct access to their low-energy collective modes. Terahertz (THz) time-domain and ultrafast optical spe…
Multimodal Terahertz Spectroscopy of the Pairing Symmetry and Normal-State Pseudogap in (La,Pr)NiO Films
Shuxiang Xu, Guangdi Zhou, Hao Wang +11
The discovery of ambient-pressure superconductivity in compressively strained (La,Pr)NiO thin films has intensified efforts to identify the pairing mechanism. However,…
Anomalous terahertz nonlinearity in disordered s-wave superconductor close to the superconductor-insulator transition
Hao Wang, Jiayu Yuan, Hongkai Shi +13
Detection of the Higgs mode in superconductors using nonlinear terahertz spectroscopy is a key area of interest in condensed matter physics. We investigate the influence of disorde…
Ultrafast giant enhancement of second harmonic generation in a strongly correlated cobaltite
Yuchen Cui, Qiaomei Liu, Qiong Wu +15
In quantum materials, nonlinear optical responses are highly sensitive to electronic structure and many-body interactions. Probing and manipulating such nonlinear processes is a co…
Field-induced spin continuum in twin-free NaCoSbO revealed by magneto-THz spectroscopy
Rongsheng Li, Liyu Shi, Yuchen Gu +9
The honeycomb magnet NaCoSbO recently emerged as a promising candidate for realizing Kitaev quantum spin liquid with relatively low levels of structural disorder. While…
Ultrafast Orbital-Selective Photodoping Melts Charge Order in Overdoped Bi-based Cuprates
Xinyi Jiang, Qizhi Li, Qingzheng Qiu +10
High-temperature superconductivity in cuprates remains one of the enduring puzzles of condensed matter physics, with charge order (CO) playing a central yet elusive role, particula…
Collapse of density wave and emergence of superconductivity in pressurized-LaNiO evidenced by ultrafast spectroscopy
Shuxiang Xu, Hao Wang, Mengwu Huo +7
Recent discoveries of superconductivity in Ruddlesden-Popper nickelates realize a rare category of superconductors. However, the use of high-pressure diamond anvil cells limits spe…
Photo-induced Dynamics and Momentum Distribution of Chiral Charge Density Waves in 1T-TiSe
Qingzheng Qiu, Sae Hwan Chun, Jaeku Park +14
Exploring the photoinduced dynamics of chiral states offers promising avenues for advanced control of condensed matter systems. Photoinduced or photoenhanced chirality in 1T-TiSe$_…
Selective excitation of collective modes in multiband superconductor MgB2
Jiayu Yuan, Liyu Shi, Tiequan Xu +7
Recent developments in nonequilibrium and nonlinear terahertz (THz) spectroscopies have significantly advanced our understanding of collective excitations in superconductors. Howev…
Using magnetic dynamics to measure the spin gap in a candidate Kitaev material
Xinyi Jiang, Qingzheng Qiu, Cheng Peng +16
Materials potentially hosting Kitaev spin-liquid states are considered crucial for realizing topological quantum computing. However, the intricate nature of spin interactions withi…
Origin of the density wave instability in trilayer nickelate LaNiO revealed by optical and ultrafast spectroscopy
Shuxiang Xu, Cui-Qun Chen, Mengwu Huo +9
In the intricate phase diagram of unconventional superconductors characterized by intertwined electronic orders and superconductivity, a key step in understanding the superconducti…
Pump-induced terahertz conductivity response and peculiar bound state in Mn3Si2Te6
Qiong Wu, Qiangwei Yin, Sijie Zhang +10
We report the significant enhancement on ultrafast terahertz optical conductivity and the unexpected formation of a polaronic-like state in semiconductor Mn3Si2Te6 at room temperat…
Room-temperature non-volatile optical manipulation of polar order in a charge density wave
Qiaomei Liu, Dong Wu, Tianyi Wu +19
Utilizing ultrafast light-matter interaction to manipulate electronic states of quantum materials is an emerging area of research in condensed matter physics. It has significant im…
Giant nonlinear optical wave mixing in van der Waals compound MnPSe3
Li Yue, Chang Liu, Shanshan Han +10
Optical nonlinearities, one of the most fascinating properties of two-dimensional (2D) materials, are essential for exploring novel physics in 2D systems and developing next-genera…
Transient Higgs oscillations and high-order nonlinear light-Higgs coupling in terahertz-wave drivenNbN superconductor
Z. X. Wang, J. R. Xue, H. K. Shi +6
We study the nonlinear optical response in a superconducting NbN thin film with strong terahertz (THz)wave. Besides the expected third harmonic generation, we observe a new transie…