Terahertz binding of nanoparticles based on graphene surface plasmons excitations
arXiv:2111.11264 · doi:10.1016/j.jqsrt.2021.108009
Abstract
This work studies the optical binding of a dimer composed by dielectric particles close to a graphene sheet. Using a rigorous electromagnetic method, we calculated the optical force acting on each nanoparticle. In addition, we deduced analytical expressions enabling to evaluate the contribution of graphene surface plasmons (GSPs) to optical binding. Our results show that surface plasmon on graphene excitations generate multiple equilibrium positions for which the distance between particles are tens of times smaller than the photon wavelength. Moreover, these positions can be dynamically controlled by adjusting the chemical potential on graphene. Normal and oblique incidence have been considered.
11
References in corpus (5)
- A new electromagnetic mode in graphene
- Tunable Graphene Antennas for Selective Enhancement of THz-Emission
- Surface plasmon enhancement of spontaneous emission in graphene waveguides
- Spaser and Optical Amplification Conditions in Graphene-Coated Active Wires
- Spatial modulation of the electromagnetic energy transfer by excitation of graphene waveguide surface plasmons