Colloquium: Topological band theory
The first-principles band theory paradigm has been a key player not only in the process of
discovering new classes of topologically interesting materials, but also for identifying salient …
discovering new classes of topologically interesting materials, but also for identifying salient …
Recent progress of two-dimensional materials for ultrafast photonics
A Zhang, Z Wang, H Ouyang, W Lyu, J Sun, Y Cheng… - Nanomaterials, 2021 - mdpi.com
Owing to their extraordinary physical and chemical properties, two-dimensional (2D)
materials have aroused extensive attention and have been widely used in photonic and …
materials have aroused extensive attention and have been widely used in photonic and …
Graphene–Bi2Te3 Heterostructure as Saturable Absorber for Short Pulse Generation
Rapid progresses have been achieved in the photonic applications of two-dimensional
materials such as graphene, transition metal dichalcogenides, and topological insulators …
materials such as graphene, transition metal dichalcogenides, and topological insulators …
Milliwatt terahertz harmonic generation from topological insulator metamaterials
Achieving efficient, high-power harmonic generation in the terahertz spectral domain has
technological applications, for example, in sixth generation (6G) communication networks …
technological applications, for example, in sixth generation (6G) communication networks …
[HTML][HTML] Nonlinear optical response of niobium telluride and its application for demonstrating pulsed fiber lasers
X Shang, Y Zhang, T Li, H Zhang, X Zou, S Wageh… - Journal of …, 2024 - Elsevier
Abstract Niobium telluride (NbTe 2), a kind of few-layer two-dimensional (2D) transition
metal dichalcogenides (TMDs) material, has been theoretically predicted with nonlinear …
metal dichalcogenides (TMDs) material, has been theoretically predicted with nonlinear …
Distinguishing Bulk and Surface Electron-Phonon Coupling in the Topological Insulator Using Time-Resolved Photoemission Spectroscopy
We report time-and angle-resolved photoemission spectroscopy measurements on the
topological insulator Bi 2 Se 3. We observe oscillatory modulations of the electronic structure …
topological insulator Bi 2 Se 3. We observe oscillatory modulations of the electronic structure …
Floquet Weyl semimetal induced by off-resonant light
R Wang, B Wang, R Shen, L Sheng… - Europhysics …, 2014 - iopscience.iop.org
We propose that a Floquet Weyl semimetal state can be induced in three-dimensional
topological insulators, either non-magnetic or magnetic, by the application of off-resonant …
topological insulators, either non-magnetic or magnetic, by the application of off-resonant …
Revealing the Substrate Dependent Ultrafast Phonon Dynamics in Bi2Se3 Thin Films
The bulk carrier excitation influences the phonon dynamics, which can alter and modulate
the surface charge density of topological insulators such as bismuth selenide (Bi2Se3). This …
the surface charge density of topological insulators such as bismuth selenide (Bi2Se3). This …
Ultrafast terahertz dynamics of hot Dirac-electron surface scattering in the topological insulator
Two-dimensional surface-scattering dynamics are central in the physics of topological
insulators. Numerous electrical and optical measurements have evidenced that the origins …
insulators. Numerous electrical and optical measurements have evidenced that the origins …
Ultrafast interfacial carrier dynamics and persistent topological surface states of Bi2Se3 in heterojunctions with VSe2
Vanadium diselenide (VSe2) has recently been highlighted as an efficient 2D electrode
owing to its extra-high conductivity, thickness controllability, and van der Waals contact …
owing to its extra-high conductivity, thickness controllability, and van der Waals contact …