Recent advances in ultrathin chiral metasurfaces by twisted stacking
Artificial chiral nanostructures have been subjected to extensive research for their unique
chiroptical activities. Planarized chiral films of ultrathin thicknesses are in particular demand …
chiroptical activities. Planarized chiral films of ultrathin thicknesses are in particular demand …
Engineering the harmonic generation in graphene
In the field of nonlinear optics, graphene has shown astounding nonlinear properties,
including the generation of harmonics across a wide frequency range. Harmonic generation …
including the generation of harmonics across a wide frequency range. Harmonic generation …
High-harmonic generation from monolayer and bilayer graphene
High-harmonic generation (HHG) in solids is an emerging method to probe ultrafast electron
dynamics in solids at attosecond time scale. In this work, we study HHG from monolayer and …
dynamics in solids at attosecond time scale. In this work, we study HHG from monolayer and …
Photonic analog of bilayer graphene
Drawing inspiration from bilayer graphene, this paper introduces its photonic analog
comprising two stacked graphenelike photonic crystals that are coupled in the near field …
comprising two stacked graphenelike photonic crystals that are coupled in the near field …
Light-matter coupling and quantum geometry in moiré materials
Quantum geometry has been identified as an important ingredient for the physics of
quantum materials and especially of flat-band systems, such as moiré materials. On the …
quantum materials and especially of flat-band systems, such as moiré materials. On the …
Optical and plasmonic properties of twisted bilayer graphene: Impact of interlayer tunneling asymmetry and ground-state charge inhomogeneity
Twisted bilayer graphene (TBG) at twist angles θ≈ 1∘ has recently attracted a great deal of
interest for its rich transport phenomenology. We present a theoretical study of the local …
interest for its rich transport phenomenology. We present a theoretical study of the local …
High-harmonic generation in graphene under the application of a DC electric current: From perturbative to nonperturbative regime
M Kanega, M Sato - Physical Review B, 2024 - APS
We theoretically investigate high-harmonic generation (HHG) in honeycomb-lattice
graphene models when subjected to a DC electric field. By integrating the quantum master …
graphene models when subjected to a DC electric field. By integrating the quantum master …
Doping and gap size dependence of high-harmonic generation in graphene: Importance of consistent formulation of light-matter coupling
Y Murakami, M Schüler - Physical Review B, 2022 - APS
High-harmonic generation (HHG) in solids is a fundamental nonlinear phenomenon, which
can be efficiently controlled by modifying system parameters such as doping level and …
can be efficiently controlled by modifying system parameters such as doping level and …
Twisted photovoltaics at terahertz frequencies from momentum shift current
The bulk photovoltaic effect (BPVE) converts light into a coherent dc current at zero bias,
through what is commonly known as the shift current. This current has previously been …
through what is commonly known as the shift current. This current has previously been …
Floquet engineering of topological transitions in a twisted transition metal dichalcogenide homobilayer
Motivated by the recent experimental realization of twisted transition metal dichalcogenide
bilayers, we study a simplified model driven by different forms of monochromatic light. As a …
bilayers, we study a simplified model driven by different forms of monochromatic light. As a …