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Opt Lett. 2010 Feb 15;35(4):568-70. doi: 10.1364/OL.35.000568.

Magneto-optical circulator designed for operation in a uniform external magnetic field.

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  • 1Institut Fresnel, CNRS, Aix-Marseille Université, Ecole Centrale Marseille, Campus de St Jérôme, 13397 Marseille Cedex 20, France. wojciech.smigaj@fresnel.fr

Abstract

We propose an approach for the design of resonant cavities employed in magnetophotonic crystal (MPC) circulators and isolators. Starting from the analysis of a model circularly symmetric cavity, we show how to obtain a significant splitting of the eigenfrequencies of the two counterrotating cavity modes without introducing subdomains magnetized in opposite directions. Using the multiple-scattering method extended to handle uniaxial gyrotropic materials, we demonstrate numerically an MPC circulator working in a uniform external magnetic field.

PMID:
20160820
[PubMed]
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