67 citations · 199 across the 10 of their papers we have counts for
11 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…
Efficient high-harmonic generation in van der Waals ferroelectric NbOI crystals
Tianchen Hu, Feng Li, Junhan Huang +8
Layered NbOX (), a member of the van der Waals ferroelectric family, exhibits intrinsic ferroelectricity and pronounced nonlinear optical responses, mak…
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…
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…
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…
Optical spectroscopy and band structure calculations of structural phase transition in the Vanadium-based kagome metal ScVSn
Tianchen Hu, Hanqi Pi, Shuxiang Xu +11
In condensed matter physics, materials with kagome lattice display a range of exotic quantum states, including charge density wave (CDW), superconductivity and magnetism. Recently,…
Strong nonlinear optical response and transient symmetry switching in Type-II Weyl semimetal -WP2
Tianchen Hu, Bo Su, Liyu Shi +13
The topological Weyl semimetals with peculiar band structure exhibit novel nonlinear optical enhancement phenomena even for light at optical wavelengths. While many intriguing nonl…
Revealing the frequency-dependent oscillations in the nonlinear terahertz response induced by the Josephson current
Sijie Zhang, Zhiyuan Sun, Qiaomei Liu +11
Nonlinear responses of superconductors to intense terahertz radiation has been an active research frontier. Using terahertz pump-terahertz probe spectroscopy, we investigate the c-…
Revealing the immediate formation of two-fold rotation symmetry in charge-density-wave state of Kagome superconductor CsVSb by optical polarization rotation measurement
Qiong Wu, Z. X. Wang, Q. M. Liu +8
We report the observation of two-fold rotation symmetry in charge density wave (CDW) state in the newly discovered Kagome superconductor CsVSb. Below its CDW transition tem…