The Kerr effect enhancement in non-quarter-wave lossy magnetophotonic crystals

Moradi M.; Alisafaee H.; Ghanaatshoar M.

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The Kerr effect enhancement in non-quarter-wave lossy magnetophotonic crystals

机译：非四分之一波有损磁光子晶体中的克尔效应增强

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Lossy one-dimensional (1-D) magnetophotonic crystals (MPCs) consisting of a highly absorptive magnetic layer and two types of dielectric layers are assumed. Magnetic medium is a TbFeCo alloy mostly used for application in magneto-optical data storage disks. Bringing to account the problematic effects of optical loss on the photonic band gap of MPC, two compensative approaches are introduced to attain proper modified PBGs regarding operational wavelength of the structure. Both approaches, gap-shift and resonance-tuning, utilize non-quarter-wave design of MPC structures, and although each one is non-conventional in the realm of MPC design, they offer well suited solutions for the problem. Having applied these approaches, we obtained enhanced magneto optic Kerr effect accompanied with desired optical response.

机译：假设有损一维（1-D）磁光子晶体（MPC）由高吸收磁层和两种类型的介电层组成。磁性介质是一种TbFeCo合金，主要用于磁光数据存储磁盘的应用。考虑到光损耗对MPC光子带隙的影响，引入了两种补偿方法，以获得与结构工作波长相关的适当修正PBG。这两种方法，间隙移移和谐振调谐，都利用了MPC结构的非四分之一波设计，尽管在MPC设计领域中，每种方法都是非常规的，但它们为该问题提供了非常合适的解决方案。应用这些方法后，我们获得了增强的磁光克尔效应和所需的光学响应。

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来源
《Physica, B. Condensed Matter》 |2010年第21期|4488-4491|共4页
作者
Moradi M.; Alisafaee H.; Ghanaatshoar M.;
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作者单位

Laser and Plasma Research Institute, Shahid Beheshti University, G.C., Evin 1983963113, Tehran, Iran;

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原文格式 PDF
正文语种英语
中图分类物理学;
关键词
Magneto optic Kerr effect; Magnetophotonic crystal; Photonic band gap;

机译：磁光克尔效应;磁光子晶体;光子带隙;

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The Kerr effect enhancement in non-quarter-wave lossy magnetophotonic crystals

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