| GCNWs | Graphene-coated nanowires |
| THz | Terahertz |
| SPs | Surface plasmons |
| 1/2/3D | One/two/three-dimensional |
| TM | Transverse-magnetic |
| TE | Transverse-electric |
| FWHM | Full width at half maximum |
| RGO | Reduced graphene oxide |
| N eff | Effective mode index |
| f 0 | Frequency |
| λ 0 | Wavelength in vacuum |
| μ c | Chemical potential of graphene |
| L P | Propagation length |
| R | Radius of dielectric nanowire |
| ε d | Permittivity of dielectric nanowire |