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

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 polarit...

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Published inChinese physics B Vol. 24; no. 6; pp. 598 - 602
Main Author 梁红 刘欢 张强 付淑芳 周胜 王选章
Format Journal Article
LanguageEnglish
Published 01.06.2015
Subjects
Angle of reflection
Bismuth
Garnets
Iron
Photonic crystals
Plasmonics
Silver
Two dimensional
二维
光子晶体
克尔旋转角
有效介质理论
解析表达式
铁石榴石
铋
银
Online AccessGet full text
ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/24/6/067807

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Summary: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 fl, in addition, the enhancement of Kerr rotation angles are at least one order of magnitude.
Bibliography: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 fl, in addition, the enhancement of Kerr rotation angles are at least one order of magnitude.
Liang Hong, Liu Huan, Zhang Qiang, Fu Shu-Fang, Zhou Sheng, and Wang Xuan-Zhang（ a） School of Electric Engineering, Harbin University of Science and Technology, Harbin 150080, China b） School of Science, Harbin University, Harbin 150086, China C）Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, China
Kerr effects, surface plasmons polaritons, effective medium theory, magnetophotonic crystals
11-5639/O4
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/24/6/067807