Electrical plasmon detection in graphene waveguides

Abstract

We present a simple device architecture that allows all-electrical detection of plasmons in a graphene waveguide. The key principle of our electrical plasmon detection scheme is the non-linear nature of the hydrodynamic equations of motion that describe transport in graphene at room temperature and in a wide range of carrier densities. These non-linearities yield a dc voltage in response to the oscillating field of a propagating plasmon. For illustrative purposes, we calculate the dc voltage arising from the propagation of the lowest-energy modes in a fully analytical fashion. Our device architecture for all-electrical plasmon detection paves the way for the integration of graphene plasmonic waveguides in electronic circuits.

9 pages, 3 figures

References in corpus (15)

• The electronic properties of graphene
• Graphene plasmonics
• Dielectric function, screening, and plasmons in 2D graphene
• Graphene Plasmonics for Terahertz to Mid-Infrared Applications
• Graphene Plasmonics: Challenges and Opportunities
• Manipulating infrared photons using plasmons in transparent graphene superlattices
• Dynamical polarization of graphene at finite doping
• Graphene field effect transistors as room-temperature Terahertz detectors
• The Role of Electron-electron Interactions in Graphene ARPES Spectra
• Drude weight, plasmon dispersion, and a.c. conductivity in doped graphene sheets
• Strong phonon-plasmon coupled modes in the graphene/silicon carbide heterosystem
• Linear response of doped graphene sheets to vector potentials
• Plasmon losses due to electron-phonon scattering: the case of graphene encapsulated in hexagonal Boron Nitride
• Finite temperature inelastic mean free path and quasiparticle lifetime in graphene
• Classical to quantum crossover of the cyclotron resonance in graphene: A study of the strength of intraband absorption