Vortex generation in the spin-orbit interaction of a light beam propagating inside a uniaxial medium: origin and efficiency

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期刊论文

作者：

Ling, Xiaohui*;Luo, Huiling;Guan, Fuxin;Zhou, Xinxing;Luo, Hailu;...

通讯作者：

Ling, Xiaohui;Zhou, Lei

作者机构：

[Ling, Xiaohui; Luo, Huiling] Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421002, Peoples R China.

[Guan, Fuxin; Zhou, Lei; Ling, Xiaohui; Zhou, L] Fudan Univ, State Key Lab Surface Phys, Key Lab Micro & Nano Photon Struct, Minist Educ, Shanghai 200433, Peoples R China.

[Guan, Fuxin; Zhou, Lei; Ling, Xiaohui; Zhou, L] Fudan Univ, Phys Dept, Shanghai 200433, Peoples R China.

[Zhou, Xinxing; Luo, Huiling] Hunan Normal Univ, Sch Phys & Elect, Changsha 410081, Peoples R China.

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

通讯机构：

[Ling, Xiaohui] H

[Ling, XH; Zhou, L] F

Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421002, Peoples R China.

Fudan Univ, State Key Lab Surface Phys, Key Lab Micro & Nano Photon Struct, Minist Educ, Shanghai 200433, Peoples R China.

Fudan Univ, Phys Dept, Shanghai 200433, Peoples R China.

语种：

英文

关键词：

Crystals;Efficiency;Spin orbit coupling;Topology;Vortex flow;Anisotropic medium;Circularly polarized;Full wave analysis;Light-matter interactions;Spin orbit interactions;Topological charges;Topological structure;Vortex generation;Light propagation;article;berry;controlled study;crystal;handedness;light

期刊：

Optics Express

ISSN：

1094-4087

年：

2020

卷：

期：

页码：

27258-27267

DOI：

10.1364/OE.403650

基金类别：

NationalNatural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11604087, 11874142]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2018JJ1001]; National Key Research and Development Program of China [2017YFA0700202]; Funding of Key Laboratory of Optoelectronic Control and Detection Technology of the institution of higher learning of Hunan Province; Excellent Talents Program of Hengyang Normal University

机构署名：

本校为第一且通讯机构

院系归属：

物理与电子工程学院

摘要：

It has been known that an optical vortex with a topological charge +/- 2 can be generated as a circularly polarized (CP) light beam propagates in a bulk uniaxial crystal, but its physical origin remains obscure which also hinders its practical applications. Here, through a rigorous full-wave analyses on the problem, we show that, as a CP beam possessing a particular spin (handedness) propagates inside a uniaxial crystal, two beams with opposite spins can be generated caused by the unique spin-sensitive light-matter interactions in the anisotropic medium. Flipping the spin can offer the light b...

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Vortex generation in the spin-orbit interaction of a light beam propagating inside a uniaxial medium: origin and efficiency

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