Optimal violation of a Bell inequality in two-dimensional state spaces for an asymmetric orbital angular momentum system

被引：1

作者：

Yan, Sijin ^{[1
]}

Zhang, Dongkai ^{[1
,2
]}

Chen, Lixiang ^{[1
]}

机构：

[1] Xiamen Univ, Dept Phys, Xiamen 361005, Peoples R China

[2] Huaqiao Univ, Coll Informat Sci & Engn, Fujian Prov Key Lab Light Propagat & Transformat, Xiamen 361021, Peoples R China

来源：

OPTICS CONTINUUM | 2024年 / 3卷 / 11期

基金：

中国国家自然科学基金;

关键词：

ENTANGLEMENT;

D O I：

10.1364/OPTCON.540458

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The symmetric orbital angular momentum (OAM) entanglement in the subspace of { +/- [} has been extensively exploited in quantum information science. Here we investigate instead the Bell inequalities for the two-dimensional subspace spanned by asymmetric OAM modes of [ 1 and [ 2 , usually corresponding to the quantum property of nonmaximal entanglement. We demonstrate, both theoretically and experimentally, the optimal violation of a suitable Clauser-Horne-Shimony-Holt Bell inequality for the asymmetric OAM modes, thus manifesting the entanglement for asymmetric OAM states space. (c) 2024 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement

引用

页码：2102 / 2108

页数：7

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