Investigation of the Magneto-Optic Faraday Rotation Effects in one Dimension of Plasma Photonic Crystal

Document Type : Original Article

Authors

Department of Physics, Faculty of Basic Sciences, University of Qom, Qom, Iran

Abstract

Magneto-plasma photonic crystals, composed of alternating layers of plasma and magneto-optical materials, offer dynamic control over the propagation of electromagnetic waves through tunable photonic bandgaps. The Faraday rotation has significant affect on these structures, where the interaction between circular birefringence induced by magnetic fields and the photonic band structure enhances the rotation of the polarization plane of transmitted light.
This study investigates photonic crystal structures composed of layered media incorporating magneto-optical materials SiO2, TiO2, and yttrium iron garnet (YIG). The multilayer design, including air, dielectric, plasma, and magneto-optic layers, enables exploration of Faraday rotation and photonic bandgap modulation. Using transfer matrix method simulations, reflection and transmission coefficients were analyzed across a range of wavelengths, confirming photonic bandgap behavior consistent with theoretical expectations.
Here we are shown that the enhanced Faraday rotation arises from circular birefringence induced by magnetic fields combined with the photonic band structure, increasing the effective light-matter interaction length. These findings highlight the importance of magneto-optical material selection and photonic crystal design in optimizing magneto-optical effects, facilitating the development of advanced photonic devices with tailored spectral characteristic.

Keywords

Pioneering Advances in Materials
Volume 1, Issue 2
April 2026
Pages 28-36

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