Generation of Bessel plasmon-polaritons in metamaterials

Authors

  • Nguyen Pham Quynh Anh Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus
  • Svetlana N. Kurilkina Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus; B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, 68-2 Niezaliežnasci Avenue, Minsk 220072, Belarus

Keywords:

Bessel plasmon-polariton, metamaterial, metal-dielectric medium, dielectric permittivity, anisotropy

Abstract

In the paper it is developed the theory of Bessel plasmon-polaritons generation in a structure containing a layer of a uniaxial metamaterial separated from the substrate and the external medium by additional isotropic dielectric layers. The dispersion equation for the cases of symmetric and asymmetric structures is obtained and analyzed. It is shown that if a hyperbolic metamaterial possesses an extremely large anisotropy, the Bessel plasmon-polariton generation in the structure is possible for which the longitudinal component of the electric vector increases monotonically inside the metamaterial layer. The dependence of the excitation conditions of Bessel plasmon-polaritons on the thickness of additional layers of the structure is established. It is shown that the implementation of an additional (intermediate or protective) layer in the structure causes a decrease of the central maximum of the Bessel-plasmon-polariton. Meanwhile, it becomes more noticeable for the thick layers. The obtained results can be used while elaborating new devices for surface testing.

Author Biographies

  • Nguyen Pham Quynh Anh, Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus

    postgraduate student at the department of physical optics and applied informatics, faculty of physics

  • Svetlana N. Kurilkina, Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus; B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, 68-2 Niezaliežnasci Avenue, Minsk 220072, Belarus

    doctor of science (physics and mathematics), full professor; professor at the department of physical optics and applied informatics, faculty of physics, Belarusian State University, and chief researcher at the B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus

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Published

2019-01-20

Issue

No. 2 (2018): Journal of the Belarusian State University. Physics

Section

Physics of Nanostructures

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How to Cite

(1)
Anh, N. P. Q. .; Kurilkina, S. N. Generation of Bessel Plasmon-Polaritons in Metamaterials. Журнал Белорусского государственного университета. Физика 2019, No. 2, 35-45.