Fig. 1. Schematic of plasma waveguides cladded by black phosphorus/dielectric multilayer structures (the clad layer is black phosphorus/dielectric multilayer structures, and the core layer is the dielectric)

Fig. 2. Components of effective permittivity in x, y, and z directions of black phosphorus/dielectric multilayer structures. (a) Components of the real part; (b) component of the imaginary part

Fig. 3. Real part of effective permittivity in x direction of black phosphorus/dielectric multilayer structures varied with the wavelength at different electron doping ratesand the dielectric thicknesses of element layer. (a) At different electron doping rates; (b) at different dielectric thicknesses of element layer

Fig. 4. Variations of performance of black phosphorus/dielectric multilayer structures plasma waveguides with wavelength at different electron doping rates. (a) Effective refractive index; (b) propagation length; (c) penetration depth; (d) figure of merit (FOM)

Fig. 5. Variations of performance of black phosphorus/dielectric multilayer structures plasma waveguides with wavelength at different dielectric thicknesses. (a) Effective refractive index; (b) propagation length; (c) penetration depth; (d) figure of merit

Fig. 6. Distribution of magnetic field amplitude along y direction