[1]殷 澄,王贤平,阚雪芬,等.基于双折射MIM结构的增强光自旋霍尔效应研究[J].江西师范大学学报(自然科学版),2018,(01):52-56.[doi:10.16357/j.cnki.issn1000-5862.2018.01.09]
　YIN Cheng,WANG Xianping,KAN Xuefen,et al.The Enhanced Spin Hall Effect of Light Based on Birefringent Metal Insulator Metal Structure[J].Journal of Jiangxi Normal University:Natural Science Edition,2018,(01):52-56.[doi:10.16357/j.cnki.issn1000-5862.2018.01.09]
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基于双折射MIM结构的增强光自旋霍尔效应研究()
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《江西师范大学学报》（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2018年01期
页码:
52-56
栏目:
物理学
出版日期:
2018-02-20

文章信息/Info

Title:
The Enhanced Spin Hall Effect of Light Based on Birefringent Metal Insulator Metal Structure
文章编号:
1000-5862(2018)01-0052-05
作者:
殷 澄1; 3; 王贤平2; 阚雪芬1; 戴海浪3; 李 建1; 韩庆邦1
1.河海大学物联网工程学院,江苏 常州 213022; 2.江西师范大学物理与通信电子学院,江西 南昌 330022; 3.上海交通大学物理与天文学院,上海 210094
Author(s):
YIN Cheng1; 3; WANG Xianping2; KAN Xuefen1; DAI Hailang3; LI Jian1; HAN Qingbang1
1.College of Internet of Things Engineering,Hohai University,Changzhou Jiangsu 213022,China; 2.College of Physics and Communication Electronics,Jiangxi Normal University,Nanchang Jiangxi 330022,China; 3.School of Physics and Astronomy,Shanghai Jiaotong University,Shanghai 210094,China
关键词:
光自旋霍尔效应;  MIM结构;  横向IF位移
Keywords:
spin Hall effect of light;  MIM structure;  transversal IF shift
分类号:
O 431.2; O 484.41
DOI:
10.16357/j.cnki.issn1000-5862.2018.01.09
文献标志码:
A
摘要:
光自旋霍尔效应所产生的横向IF(Imbert-Fedorov)位移一般仅为亚波长量级,因此极大地限制了该效应在精密度量领域的应用.该文提出一种金属/双折射材料/金属(MIM)的多层结构,通过直接耦合方式激发该结构中的振荡模式,并利用双折射特性形成偏振相关的小角度共振,以此来增强光自旋霍尔效应.理论分析表明:上述设想可将可见光波段的横向IF位移增强到可以直接观察的亚毫米甚至毫米量级.
Abstract:
Conventionally,the Imbert-Fedorov shift generated by the spin Hall effect of light is of sub-wavelength scale,which hinders its application in fields such as precision metrology.In this paper,a very simple planar metal/insulator/metal(MIM)structure is proposed,where the insulator layer is made of birefringent material and acts as the guiding layer to support oscillating guided modes.These modes,also known as the high order modes,can be directly excited via the free space coupling technology.The key factor is that resonance may occur at very small incident angle,even approaches normal incidence.On the other hand,the induced birefringence will result in mode splitting,so that the reflectivity spectrum of the waveguide structure is no longer mode independent.Combined the two factors mentioned above,the IF shift of this simple structure can be significantly enhanced,and theoretical estimated value can approaches sub-millimter or millimeter scale,which is possible to be observed by naked eyes.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-12-10
基金项目: 国家自然科学基金(11404092,11574072,61505073),江苏省自然科学基金(SBK2014043338),第60批博士后基金(2016M601586)和中央高校基本科研业务费专项资金(2017B14714)资助项目.
作者简介:殷 澄(1983-),男,江苏常州人,副教授,博士,主要从事光波理论与器件的研究.E-mail:cyin.phys@gmail.com
更新日期/Last Update: 2018-02-20