Dyakonov–Voigt (DV) surface waves guided by the planar interface of (i) material A, which is a uniaxial dielectric material specified by a relative permittivity dyadic with eigenvalues εA s and εA t , and (ii) material B, which is an isotropic dielectric material with relative permittivity εB, are numerically investigated by solving the corresponding canonical boundary-value problem. The two partnering materials were generally dissipative, with the optic axis of material A being inclined at the angle χ ∈ [0◦, 90◦] relative to the interface plane. No solutions of the dispersion equation for DV surface waves exist when χ = 90◦. Also, no solutions exist for χ ∈ (0◦, 90◦), when both partnering materials are nondissipative. For χ ∈ [0◦, 90◦), the degree of dissipation of material A has a profound effect on the phase speeds, propagation lengths, and penetration depths of the DV surface waves. For mid-range values of χ, DV surface waves with negative phase velocities were found. For fixed values of εA s and εA t in the upper-half-complex plane, DV surface-wave propagation is only possible for large values of χ when |εB| is very small.
|Original language||English (US)|
|Number of pages||8|
|Journal||Journal of the Optical Society of America B: Optical Physics|
|State||Published - 2019|
All Science Journal Classification (ASJC) codes
- Statistical and Nonlinear Physics
- Atomic and Molecular Physics, and Optics