Dyakonov waves generation at uniaxial chiral-plasma interface.

Area of Science:

• Physics
• Electromagnetism
• Materials Science

Background:

• Dyakonov waves are surface electromagnetic waves that can propagate at interfaces.
• Chiral-plasma materials exhibit unique electromagnetic properties.
• Terahertz (THz) frequency range offers potential for novel device applications.

Purpose of the Study:

• To numerically analyze the generation of Dyakonov waves at a uniaxial chiral-plasma planar interface.
• To investigate the influence of plasma and chirality on wave characteristics.
• To explore potential applications in THz photonics and integrated optics.

Main Methods:

• Utilized extended electromagnetic wave theory.
• Employed impedance boundary conditions to derive the characteristic equation.
• Performed numerical analysis for various plasma and chirality parameters.

Main Results:

• Discussed effective mode index and attenuation for Dyakonov waves.
• Analyzed the impact of collisional frequency, plasma frequency, and chirality.
• Identified THz frequency range characteristics for three uniaxial chiral media cases.

Conclusions:

• The findings provide insights into Dyakonov wave behavior at chiral-plasma interfaces.
• Results are applicable to the design of nanophotonic devices in the THz range.
• This research supports advancements in photonics and integrated optics.