All-dielectric circular polarizer with nearly unit transmission efficiency based on cascaded tensor Huygens surface

被引：27
作者：
Jiang, Huan [1 ]
Zhao, Wenyu [1 ]
Jiang, Yongyuan [1 ,2 ]
机构：
[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
[2] Key Lab Microopt & Photon Technol Heilongjiang Pr, Harbin 150001, Peoples R China
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 16期
基金：
中国国家自然科学基金;
关键词：
HELIX PHOTONIC METAMATERIALS;
D O I：
10.1364/OE.24.017738
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we demonstrate a high-efficiency and broadband circular polarizer based on cascaded tensor Huygens surface capable of operating in the near-infrared region. The high efficiency originates from the simultaneous excitation of the Mie-type electric and magnetic dipole resonances within an all-dielectric rotationally twisted strips array. Due to the symmetry breaking of the structure in the light propagation, one state of the circularly polarized light can pass through freely, while the other state is largely blocked. The maximum polarization transmission reaches 0.97 with a polarization suppression ratio of 911:1, which represents a major advance in the performance compared with previously reported circular polarizers. The proposed metamaterial possessing the merits of high efficiency and simple inclusions has potentials for applications in biological detector, optical communication and sensor. (C) 2016 Optical Society of America
引用
收藏
页码：17738 / 17745
页数：8
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