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《Acta Physica Sinica》 2004-10
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One-dimensional magneto optical multi-layer film isolator with multi-defect

Wen Xiao_Wen~(1))\ Li Guo_Jun~(1))\ Qiu Gao_Xin~(1))\ Li Yong_Ping~(1))\ Ding Lei~(2))\ Sui Zhan~(2))()~(1))(Department of Physics, University of Science and Technology of China, Hefei 230026, China)()~(2))(The Eighth Research Institute,China Academy of Engineering Physics,Mianyang\ 621900 China)  
Because of the localization of light, the magneto_optical (MO) photonic crystal, composed of magnetic and dielectric films periodically or quasi_periodically, can be used to manufacture the MO isolator. A transfer matrix method, suitable for computing the propagation of polarized light in anisotropic media, is described in detail in this paper. Using this method, we discuss the MO properties of a new type of MO isolator with multi_defect, and find that the spectra are broadened with increasing number of defects. A reflection_mode MO isolator without extra reflected layers is proposed when the number of defects is large enough.
【Fund】: 国家自然科学基金 (批准号 :10 3 760 3 6)资助的课题~~
【CateGory Index】: O78
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