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Giant enhancement of Kerr rotation in two-dimensional Bismuth iron garnet/Ag photonic crystals

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【Author】 Liang Hong;Liu Huan;Zhang Qiang;Fu Shu-Fang;Zhou Sheng;Wang Xuan-Zhang;School of Electric Engineering,Harbin University of Science and Technology;School of Science,Harbin University;Key Laboratory for Photonic and Electronic Bandgap Materials,Ministry of Education,School of Physics and Electronic Engineering,Harbin Normal University;

【机构】 School of Electric Engineering,Harbin University of Science and Technology； School of Science,Harbin University； Key Laboratory for Photonic and Electronic Bandgap Materials,Ministry of Education,School of Physics and Electronic Engineering,Harbin Normal University；

【摘要】 Kerr effects of two-dimensional(2D) Bismuth iron garnet(BIG)/Ag photonic crystals(PCs) combined magnetic and plasmonic functionalities is investigated with the effective medium theory.An analytical expression of Kerr rotation angles is derived,in which the effects of the surface pasmons polaritons(SPP) on magneto–optical(MO) activities are reflected.The largest enhancement of Kerr rotation up to now is demonstrated,which is improved three orders of magnitude compared with that of BIG film.When λ < 750 nm all of the reflection are over 10% for the arbitrary filling ratio f1,in addition,the enhancement of Kerr rotation angles are at least one order of magnitude.更多还原

【Abstract】 Kerr effects of two-dimensional(2D) Bismuth iron garnet(BIG)/Ag photonic crystals(PCs) combined magnetic and plasmonic functionalities is investigated with the effective medium theory.An analytical expression of Kerr rotation angles is derived,in which the effects of the surface pasmons polaritons(SPP) on magneto–optical(MO) activities are reflected.The largest enhancement of Kerr rotation up to now is demonstrated,which is improved three orders of magnitude compared with that of BIG film.When λ < 750 nm all of the reflection are over 10% for the arbitrary filling ratio f1,in addition,the enhancement of Kerr rotation angles are at least one order of magnitude.更多还原

【关键词】 Kerr effects； surface plasmons polaritons； effective medium theory； magnetophotonic crystals；
【Key words】 Kerr effects； surface plasmons polaritons； effective medium theory； magnetophotonic crystals；

【基金】 Project supported by the National Natural Science Foundation of China(Grant Nos.11104050,10947168,11204056,and 11304068)

【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2015年06期

【分类号】O734
【被引频次】2
【下载频次】29

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