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Phys Rev Lett. 2006 Feb 17;96(6):063902. Epub 2006 Feb 13.

Nonlinear magneto-optical Bragg gratings.

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  • 1Tyndall National Institute, University College Cork, Lee Maltings, Cork, Ireland.

Abstract

In magneto-optical gratings the magnetic dipolar coupling superimposed on the electric dipolar one introduces nonreciprocity and spectral discrimination between circular polarization states, measured by a Zeeman-like splitting of the photonic Bragg resonances. In a nonlinear regime the degree of nonreciprocity is modified by the photoinduced interplay of these splittings and their Stark-like shifts. We predict novel magneto-optical modulation schemes for switching between orthogonal circular polarization states of transmission or reflection operated by means of an intense linearly polarized optical pulse train.

PMID:
16605996
DOI:
10.1103/PhysRevLett.96.063902
[PubMed]
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