Enhancement of Faraday rotation in 3D/Bi

YIG/1D photonic heterostructures

R. Fujikawa*, A. V. Baryshev, A. B. Khanikaev, J. Kim, H. Uchida, M. Inoue

*Corresponding author for this work

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We suggest a new design of magnetophotonic crystals. Microcavity-type magnetic photonic heterostructures exhibiting enhanced magneto-optical Faraday rotation have been fabricated. Such a heterostructure comprises an opal film (3D photonic crystals), a bismuth substituted iron garnet (Bi:YIG) spacer film acting as the defect layer, and a dielectric multilayer (1D photonic crystal). Localized mode was shown to exist in the photonic band gap as a result of resonant interference in heterostructures. The observed enhancement of Faraday rotation was more than three times as compared with that of the Bi:YIG constituent. We have also found that the heterostructures exhibit an unusual polarization-dependent response.

Original languageEnglish
JournalJournal of Materials Science: Materials in Electronics
Volume20
Issue numberSUPPL. 1
DOIs
Publication statusPublished - Jan 2009

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