Journal of NanophotonicsControlling Voigt waves by the Pockels effect
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Voigt wave propagation was investigated in a homogenized composite material (HCM) arising from a porous electro-optic host material infiltrated by a fluid of refractive index na. The constitutive parameters of the HCM were estimated using the extended Bruggeman homogenization formalism. Numerical studies revealed that the directions which support Voigt wave propagation in the HCM could be substantially controlled by means of an applied dc electric field. Furthermore, the extent to which this control could be achieved was found to be sensitive to the porosity of the host material, the shapes, sizes, and orientations of the pores, as well as the refractive index na. These findings may be particularly significant for potential technological applications of Voigt waves such as in optical sensing.