Lightwave Control of Topological Properties in 2D Materials for Sub-Cycle and Non-Resonant Valley Manipulation
Álvaro Jiménez-Galán, R.E.F. Silva, Olga Smirnova, Misha Ivanov
Abstract
Using light fields tailored on a sub-cycle timescale to the symmetry of graphene-like materials, we show selective minimization of the bandgap at one of the valleys, introducing a new method for valleytronics and light-induced topology.
Topics & Concepts
ValleytronicsTopology (electrical circuits)Symmetry (geometry)Band gapGraphenePhysicsTopology optimizationMaterials scienceOptoelectronicsCondensed matter physicsNanotechnologyMathematicsGeometryCombinatoricsFerromagnetismSpintronicsThermodynamicsFinite element methodLaser-Matter Interactions and ApplicationsAdvanced Fiber Laser TechnologiesTerahertz technology and applications