High-performance polarization beam splitter based on anisotropic plasmonic nanostructures

被引：0
作者：
Zhengyong Song
Qiongqiong Chu
Longfang Ye
Yanhui Liu
Chunhui Zhu
Qing Huo Liu
机构：
[1] Xiamen University,Department of Electronic Science
[2] Duke University,Department of Electrical and Computer Engineering
来源：
Applied Physics B | 2018年 / 124卷
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摘要：
We propose an alternative design of efficient and compact polarization beam splitters for wide-angle and polarization-sensitive incidence of electromagnetic waves at near-infrared frequencies. The designed system is constructed by depositing periodic metallic strips on top and bottom of a continuous metal film. Based on the optimization of structure parameters, the whole system can suppress transmission (~ 0%) for one polarization and enhance transmission for another polarization (~ 95%). This phenomenon of anisotropic transmission can be attributed to different performances of impedance along different polarization directions. This device may find applications in optical components and polarization filter.
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