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980 nm Bi3Fe5O12/Sm3Ga5O12 magneto-optical photonic crystal
KTH, School of Information and Communication Technology (ICT), Material Physics.
KTH, School of Information and Communication Technology (ICT), Material Physics, Material Physics, MF.ORCID iD: 0000-0001-8774-9302
2007 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 90, no 19Article in journal (Refereed) Published
Abstract [en]

Heteroepitaxial all-garnet magneto-optical photonic crystal (MOPC) was fabricated to enhance Faraday rotation at 980 nm. MOPC was composed of alternating MO-active Bi3Fe5O12 and transparent Sm3Ga5O12 quarter-wavelength layers grown by rf-magnetron sputtering on Ca,Mg,Zr:Gd3Ga5O12(111) single crystal substrate. High MO performance at the resonance wavelength lambda=980 nm, specific Faraday rotation theta(F)=-7.3 degrees/mu m, absorption coefficient alpha=3350 cm(-1), and MO figure of merit Q=2 parallel to theta(F)parallel to/alpha=43.6 degrees demonstrates feasibility to use bismuth iron garnet MOPCs for application in pump laser diodes, optical amplifiers, modulators, and sensors.

Place, publisher, year, edition, pages
2007. Vol. 90, no 19
Keyword [en]
URN: urn:nbn:se:kth:diva-16621DOI: 10.1063/1.2737933ISI: 000246413400013ScopusID: 2-s2.0-34248338333OAI: diva2:334663
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Grishin, Alexander M.Khartsev, Sergiy
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