TY - JOUR

T1 - On Dyakonov–Voigt surface waves guided by the planar interface of dissipative materials

AU - Zhou, Chenzhang

AU - Mackay, Tom G.

AU - Lakhtakia, Akhlesh

N1 - Funding Information:
Funding. Engineering and Physical Sciences Research Council (EP/S00033X/1); National Science Foundation (DMS-1619901).
Funding Information:
Acknowledgment. A.L. thanks the Charles Godfrey Binder Endowment at Pennsylvania State University and the Otto Mønsted Foundation for partial support of his research endeavors.

PY - 2019

Y1 - 2019

N2 - 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.

AB - 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.

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U2 - 10.1364/JOSAB.36.003218

DO - 10.1364/JOSAB.36.003218

M3 - Article

AN - SCOPUS:85076147985

VL - 36

SP - 3218

EP - 3225

JO - Journal of the Optical Society of America B: Optical Physics

JF - Journal of the Optical Society of America B: Optical Physics

SN - 0740-3224

IS - 11

ER -