Polarization customization in all-dielectric terahertz polarizers

被引：0

作者：

Hu, Susu ^{[1
,2
]}

Lu, Yongzheng

Huang, Shaoqi ^{[1
]}

Dai, Bo ^{[1
]}

Wei, Li ^{[1
]}

Zhuang, Songlin ^{[1
]}

Zhang, Dawei ^{[1
]}

机构：

[1] Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Shanghai Key Lab Modern Opt Syst, Minist Educ,Lab Modern Opt Syst, Shanghai 200093, Peoples R China

[2] Changzhou Inst Technol, Sch Photoelect Engn, Changzhou 213032, Peoples R China

来源：

OPTICS EXPRESS | 2024年 / 32卷 / 27期

基金：

中国国家自然科学基金;

关键词：

PHASE DISCONTINUITIES; BEAM GENERATION; METASURFACES;

D O I：

10.1364/OE.541877

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In the conventional optical systems, a series of polarizers, e.g., half-wave plates, and quarter-wave plates are used to control polarized wave. Here, we propose an innovative strategy to convert arbitrary polarization states to specific multiple polarization states by applying the cluster composed four meta-atoms on a monolayer all-dielectric metasurface. Two types of functional terahertz metalenses with customized polarization were designed. The first metalens can engender orthogonal circularly polarized waves under unpolarized wave incidence, while the second metalens can generate multiple polarization including co-polarization and cross-polarization to the incidence, the right-hand circular polarization and left-hand circular polarization. We anticipate such polarization customization scheme can be employed to develop various terahertz metalenses for potential applications in the fields of optical communication, optical sensing, biological imaging, and quantum optics. (c) 2024 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement

引用

页码：47783 / 47799

页数：17

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