Giant photonic spin Hall effect in momentum space in a structured metamaterial with spatially varying birefringence

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成果类型：

期刊论文

作者：

Ling, Xiaohui;Zhou, Xinxing;Yi, Xunong;Shu, Weixing;Liu, Yachao;...

通讯作者：

Luo, Hailu

作者机构：

[Fan, Dianyuan; Shu, Weixing; Wen, Shuangchun; Luo, Hailu; Zhou, Xinxing; Ling, Xiaohui; Liu, Yachao; Chen, Shizhen] Hunan Univ, Sch Phys & Elect, Lab Spin Photon, Changsha 410082, Hunan, Peoples R China.

[Ling, Xiaohui] Hengyang Normal Univ, Dept Phys & Elect Informat Sci, Hengyang 421002, Peoples R China.

[Fan, Dianyuan; Yi, Xunong; Ling, Xiaohui] Shenzhen Univ, SZU NUS Collaborat Innovat Ctr Optoelect Sci & Te, Shenzhen 518060, Peoples R China.

[Fan, Dianyuan; Yi, Xunong; Ling, Xiaohui] Shenzhen Univ, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China.

通讯机构：

[Luo, Hailu] H

Hunan Univ, Sch Phys & Elect, Lab Spin Photon, Changsha 410082, Hunan, Peoples R China.

语种：

英文

关键词：

geometric phase;metamaterial;photonic spin Hall effect

期刊：

光：科学与应用

ISSN：

2095-5545

年：

2015

卷：

期：

页码：

ISA.2015.63_01-ISA.2015.63_06

DOI：

10.1038/lsa.2015.63

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11274106, 11474089, 11447010]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2014M562198]; Scientific Research Fund of Hunan Provincial Education Department of ChinaHunan Provincial Education Department [13B003]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2015JJ3026]

机构署名：

本校为其他机构

院系归属：

物理与电子工程学院

摘要：

The photonic spin Hall effect (SHE) in the reflection and refraction at an interface is very weak because of the weak spin-orbit interaction. Here, we report the observation of a giant photonic SHE in a dielectric-based metamaterial. The metamaterial is structured to create a coordinate-dependent, geometric Pancharatnam Berry phase that results in an SHE with a spin-dependent splitting in momentum space. It is unlike the SHE that occurs in real space in the reflection and refraction at an interface, which results from the momentum-dependent gra...

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Giant photonic spin Hall effect in momentum space in a structured metamaterial with spatially varying birefringence

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