Magneto-Optical Faraday Effect in Quasicrystalline and Aperiodic Microresonator Structures

We theoretically and numerically investigate magnetophotonic microresonators formed by a magnetic layer sandwiched between two reflective multilayers with different layer arrangements. Quasicrystals with the Fibonacci layer sequence and aperiodic structures with the Thue–Morse sequence are all compa...

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Bibliographic Details
Published in:Magnetochemistry 2023-02, Vol.9 (2), p.54
Main Authors: Ignatyeva, Daria O., Golovko, Polina V., Belotelov, Vladimir I.
Format: Article
Language:English
Subjects:
Analysis
Bragg reflection
Crystals
Faraday effect
Fibonacci numbers
Glass substrates
Infrared spectra
Magnetic films
Magnetic properties
magneto-optics
Magnetooptics
Methods
microresonator
Multilayers
Near infrared radiation
Optical properties
photonic crystal
Photonic crystals
quasicrystal
Resonators
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Summary:We theoretically and numerically investigate magnetophotonic microresonators formed by a magnetic layer sandwiched between two reflective multilayers with different layer arrangements. Quasicrystals with the Fibonacci layer sequence and aperiodic structures with the Thue–Morse sequence are all compared to the conventional photonic crystal Bragg microresonators. The magneto-optical spectral properties of such magnetophotonic structures are completely different from each other and from a uniform magnetic film. In multilayered structures of various order types, microresonator modes are excited. The feature of multilayered structures with arrangements different from a periodic one is that they support the excitation of the multiple microresonator modes in a limited visible and near-infrared spectral range. The wavelengths of the two microresonator modes in a regular photonic crystal differ by more than one octave. This feature of the quasi-crystalline and aperiodic microresonators is important for applications in devices based on the Faraday effect.
ISSN:2312-7481
2312-7481
DOI:10.3390/magnetochemistry9020054