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Modeling of Dyakonov surface waves at magnetized plasma–dielectric interface

BADER ALHASSON1, MUHAMMAD UMAIR2,* , FAWWAZ HAZZAZI1, ABDUL GHAFFAR2,*

Affiliation

  1. Department of Electrical Engineering, College of Engineering in Al-Kharj, Prince Sattam, Saudi Arabia
  2. Department of Physics, University of Agriculture, Faisalabad 38000, Pakistan

Abstract

This study examines the behavior of magnetically controlled Dyakonov surface waves at plasma-dielectric interface in THz frequency region. We analyze the influence of cyclotron and plasma frequencies on different properties of electromagnetic (EM) surface waves such as effective mode index, propagation loss, and normalized phase velocity. Our results show that as cyclotron frequency increases, the effective mode index increases, while the propagation loss decreases. However, increasing plasma frequency reduces effective mode index and increases propagation loss. Furthermore, higher wave frequency reduces the normalized phase velocity for both plasma features. Additionally, variations in plasma frequency and cyclotron frequency have a substantial impact on the normalized phase velocity. These findings may have promising applications in THz nanophotonic devices, plasmonic chips, sensors, near-field communication, and modulators.

Keywords

Dyakonov Surface Waves, Magnetized plasma, Effective mode index, Propagation loss, Boundary conditions.

Citation

BADER ALHASSON, MUHAMMAD UMAIR, FAWWAZ HAZZAZI, ABDUL GHAFFAR, Modeling of Dyakonov surface waves at magnetized plasma–dielectric interface, Optoelectronics and Advanced Materials - Rapid Communications, 20, 5-6, May-June 2026, pp.277-284 (2026).

Submitted at: Oct. 5, 2025

Accepted at: June 2, 2026