2.6k citations · 4k across the 16 of their papers we have counts for
16 papers
Twist-phase-matching in two-dimensional materials
Hao Hong, Chen Huang, Chenjun Ma +6
Optical phase-matching involves establishing a proper phase relationship between the fundamental and generated waves to enable efficient optical parametric processes. It is typical…
Evidence for unconventional superconductivity in a spinel oxide
Huanyi Xue, Lijie Wang, Zhongjie Wang +7
The charge frustration with the mixed-valence state inherent to LiTiO, which is found to be a unique spinel oxide superconductor, is the impetus for paying special attentio…
Two-Dimensional Superconductivity at the Titanium Sesquioxide Heterointerface
Lijie Wang, Wenhao He, Guangyi Huang +8
The study of exotic superconductivity in two dimensions has been a central theme in solid state and materials research communities. Experimentally exploring and identifying new fas…
Third order optical nonlinearity of three dimensional massless Dirac fermions
J. L. Cheng, J. E. Sipe, S. W. Wu
We present analytic expressions for the electronic contributions to the linear conductivity and the third order optical conductivity o…
Routing of valley photons in a WS2 monolayer via delocalized Bloch modes of in-plane inversion-symmetry broken photonic crystal slabs
Jiajun Wang, Han Li, Yating Ma +8
The valleys of two-dimensional transition metal dichalcogenides (TMDCs) offer a new degree of freedom for information processing. To take advantage of this valley degree of freedom…
Substrate dopant induced electronic inhomogeneity in epitaxial bilayer graphene
Shuai Zhang, Di Huang, Lehua Gu +2
Two-dimensional (2D) materials have become a new territory for exploring novel properties and functionalities because of their superior tunability. The unprecedented tunability of…
Direct observation of van der Waals stacking dependent interlayer magnetism
Weijong Chen, Zeyuan Sun, Lehua Gu +3
Controlling the crystal structure is a powerful approach for manipulating the fundamental properties of solids. Unique to two-dimensional (2D) van der Waals materials, the control…
Pressure-controlled Structural Symmetry Transition in Layered InSe
Huimin Su, Xuan Liu, Chengrong Wei +14
Structural symmetry of crystals plays important roles in physical properties of two-dimensional (2D) materials, particularly in the nonlinear optics regime. It has been a long-term…
Chiral selection rules for multi-photon processes in two-dimensional honeycomb materials
Jingxin Cheng, Di Huang, Tao Jiang +4
We examined the chirality dependent optical selection rules in two-dimensional monolayer materials with the honeycomb lattice, and based on symmetry argument, we generalized these…
Doping Induced Second Harmonic Generation in Centrosymmetric Graphene from Quadrupole Response
Yu Zhang, Di Huang, Yuwei Shan +8
For centrosymmetric materials such as monolayer graphene, no optical second harmonic generation (SHG) is generally expected because it is forbidden under the electric-dipole approx…
Towards the growth of single-crystal boron nitride monolayer on Cu
Li Wang, Xiaozhi Xu, Leining Zhang +21
Atom-layered hexagonal boron nitride (hBN), with excellent stability, flat surface and large bandgap, has been reported to be the best 2D insulator to open up the great possibiliti…
Stacking-symmetry governed second harmonic generation in graphene trilayers
Yuwei Shan, Yingguo Li, Di Huang +4
Crystal symmetry plays a central role in governing a wide range of fundamental physical phenomena. One example is the nonlinear optical second harmonic generation (SHG), which requ…
Gate-tunable Room-temperature Ferromagnetism in Two-dimensional FeGeTe
Yujun Deng, Yijun Yu, Yichen Song +7
Material research has been a major driving force in the development of modern nano-electronic devices. In particular, research in magnetic thin films has revolutionized the develop…
Gate tunable third-order nonlinear optical response of massless Dirac fermions in graphene
Tao Jiang, Di Huang, Jinluo Cheng +13
Materials with massless Dirac fermions can possess exceptionally strong and widely tunable optical nonlinearities. Experiments on graphene monolayer have indeed found very large th…
Strong coupling between Tamm plasmon polariton and two dimensional semiconductor excitons
Tao Hu, Yafeng Wang, Lin Wu +10
Two dimensional (2D) semiconductor materials of transition-metal dichalcogenides (TMDCs) manifest many peculiar physical phenomena in the light-matter interaction. Due to their ult…
Two-photon Induced Hot Electron Transfer to a Single Molecule in a Scanning Tunneling Microscope
Shiwei Wu, Wilson Ho
The junction of a scanning tunneling microscope (STM) operating in the tunneling regime was irradiated with femtosecond laser pulses. A photo-excited hot electron in the STM tip re…