Tuning laser-induced bandgaps in graphene

Abstract

Could a laser field lead to the much sought-after tunable bandgaps in graphene? By using Floquet theory combined with Green's functions techniques, we predict that a laser field in the mid-infrared range can produce observable bandgaps in the electronic structure of graphene. Furthermore, we show how they can be tuned by using the laser polarization. Our results could serve as a guidance to design opto-electronic nano-devices.

4 pages, 3 figures, to appear in Applied Physics Letters

References in corpus (9)

• The electronic properties of graphene
• Photovoltaic Hall effect in graphene
• Colloquium: The transport properties of graphene: An introduction
• Driven quantum transport on the nanoscale
• Single-parameter non-adiabatic quantized charge pumping
• Effect of radiation on transport in graphene
• Generation of valley polarized current in bilayer graphene
• Inelastic Quantum Transport and Peierls-like Mechanism in Carbon Nanotubes
• Controlling the conductance and noise of driven carbon-based Fabry-Perot devices