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Tuning the photonic spectrum of superlattice structures with magnetic fields: An anisotropic perspective
Citation Link: https://doi.org/10.15480/882.8913
Publikationstyp
Journal Article
Date Issued
2023-10-27
Sprache
English
Author(s)
Lopez-Aguayo, Servando
TORE-DOI
Journal
Photonics
Volume
10
Issue
11
Article Number
1202
Citation
Photonics 10 (11): 1202 (2023-10-27)
Publisher DOI
Scopus ID
Publisher
MDPI
We investigate how an external magnetic field with an arbitrary direction affects the photonic band of a superlattice structure composed of alternating dielectric and magneto-optical plasma layers. By considering that the superlattice is electrodynamically anisotropic in the presence of an external magnetic field, we derive the dispersion equations; we show that the photonic spectrum of this superlattice loses its degeneracy and splits into two branches due to the external magnetic field. Interestingly, our results indicate that a superlattice that was previously wholly photo-isolating can become entirely photo-conducting, regardless of the direction of the external magnetic field applied. These results could be helpful to design and build new optical diode-like devices.
Subjects
dispersion
magneto-optical materials
nanophotonics
optical properties
photonic crystals
DDC Class
621: Applied Physics
Publication version
publishedVersion
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Name
photonics-10-01202-v2.pdf
Type
Main Article
Size
6.28 MB
Format
Adobe PDF