Spin Hall effect of light in a prism-waveguide coupling structure with a magneto-optical bimetallic film

被引：10
作者：
Zhang, Pengyu [1 ]
Tang, Tingting [1 ]
Shen, Jian [2 ]
Luo, Li [1 ]
Li, Chaoyang [2 ]
Yao, Jianquan [1 ,3 ]
机构：
[1] Chengdu Univ Informat Technol, Informat Mat & Device Applicat Key Lab Sichuan Pr, Chengdu 610225, Sichuan, Peoples R China
[2] Hainan Univ, State Key Lab Marine Resource Utilizat South Chin, 58 Renmin Ave, Haikou 570228, Hainan, Peoples R China
[3] Tianjin Univ, Sch Precis Instruments & Optoelect Engn, Inst Laser & Optoelect, Minist Educ,Key Lab Optoelect Informat Technol, Tianjin 300072, Peoples R China
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2019年 / 128卷
基金：
美国国家科学基金会;
关键词：
Spin hall effect of light; Surface plasmon resonance; Magneto-optical bimetallic film; SURFACE-PLASMON RESONANCE; ENHANCEMENT; THIN;
D O I：
10.1016/j.spmi.2019.01.022
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We study the spin hall effect of light (SHEL) in prism coupling configuration with magneto-optical (MO) material and bimetallic film which is called MOSHEL. Compared with single gold film, the surface plasmon resonance (SPR) with the bimetallic film can achieve minimum reflectivity and the difference between transverse shifts with opposite magnetic field directions can achieve 13 pm at resonance angle. By adjusting the thickness of magneto-optical layer and bimetallic film, we find that both SPR and SHEL can be modulated by the magnetic field. Base on this we propose that MOSHEL can be enhanced by MOSPR for the first time.
引用
收藏
页码：136 / 143
页数：8
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