Magneto-optical enhancement through gyrotropic gratings

被引：23
作者：
Lu, Y. H. [1 ,2 ]
Cho, M. H. [1 ,2 ]
Kim, J. B. [1 ,2 ]
Lee, G. J. [1 ,2 ]
Lee, Y. P. [1 ,2 ]
Rhee, J. Y. [3 ,4 ]
机构：
[1] Hanyang Univ, Quantum Photon Sci Res Ctr, Seoul 133791, South Korea
[2] Hanyang Univ, Program Div Adv Res & Educ Phys BK21, Seoul 133791, South Korea
[3] Sungkyunkwan Univ, Phys Res Div BK21, Suwon 440746, South Korea
[4] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 08期
关键词：
D O I：
10.1364/OE.16.005378
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Diffracted magneto-optical (MO) effects are numerically investigated for one-dimensional lossy gyrotropic gratings in the zeroth and the first orders for the polar magnetization by utilizing the rigorous coupled-wave approach implemented as an Airy-like internal-reflection series. The simulated Kerr spectra agree well with the experimental ones. The dependence of the MO Kerr enhancement on the grating depth in the first-order diffraction, compared with that in the zeroth one, is illustrated, and the diffracted MO Faraday effect is theoretically investigated as well. Such a MO enhancement through the gyrotropic gratings is superior to the conventional MO devices and magneto-photonic crystals. The potential applications are also suggested. (C) 2008 Optical Society of America.
引用
收藏
页码：5378 / 5384
页数：7
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