Chiral plasmon in gapped Dirac systems

Abstract

We study the electromagnetic response and surface electromagnetic modes in a generic gapped Dirac material under pumping with circularly polarized light. The valley imbalance due to pumping leads to a net Berry curvature, giving rise to a finite transverse conductivity. We discuss the appearance of nonreciprocal chiral edge modes, their hybridization and waveguiding in a nanoribbon geometry, and giant polarization rotation in nanoribbon arrays.

References in corpus (10)

• The electronic properties of graphene
• Graphene plasmonics
• The Valley Hall Effect in MoS2 Transistors
• Graphene Plasmonics for Terahertz to Mid-Infrared Applications
• Detecting Topological Currents in Graphene Superlattices
• Giant Faraday rotation in single- and multilayer graphene
• Robust plasmon waveguides in strongly-interacting nanowire arrays
• Anomalous Reflection Phase of Graphene Plasmons and its Influence on Resonators
• Manipulation of Giant Faraday Rotation in Graphene Metasurfaces
• Dynamics of quasiparticles in graphene under intense circularly polarized light

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