Increasing Shannon dimensionality by hyperentanglement of spin and fractional orbital angular momentum

Lixiang Chen; Weilong She

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Increasing Shannon dimensionality by hyperentanglement of spin and fractional orbital angular momentum

机译：通过自旋和分数轨道角动量的超纠缠来增加Shannon维数

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We propose a single-photon spin-orbit entangled state analyzer for investigating the effective dimensionality of the Hilbert space spanned by spin and orbital angular momentum (OAM) states of twin photons from a spontaneous parametric downconversion (SPDC). The Pancharatnam-Berry phase element, the key element called a q plate equipped in the analyzer, induces the coupling between spin and OAM. It is found that the Shannon dimensionality of quantum channels in SPDC can be evidently increased owing to the spin-orbit hyperentanglement.

机译：我们提出了一个单光子自旋轨道纠缠态分析器，用于研究自发参量下变频（SPDC）产生的双光子的自旋和轨道角动量（OAM）状态所跨越的希尔伯特空间的有效维数。 Pancharatnam-Berry相元素（分析仪中配备的称为q板的关键元素）引起自旋和OAM之间的耦合。发现由于自旋轨道超纠缠，SPDC中量子通道的香农维数可以明显增加。

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《Optics Letters》 |2009年第12期|共3页
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Lixiang Chen; Weilong She;
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正文语种 eng
中图分类计量学;
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1. Increasing Shannon dimensionality by hyperentanglement of spin and fractional orbital angular momentum [J] . Lixiang Chen and Weilong She Optics Letters . 2009,第12期

机译：通过自旋和分数轨道角动量的超纠缠来增加Shannon维数
2. Conserved spin and orbital angular momentum Hall current in a two-dimensional electron system with Rashba and Dresselhaus spin-orbit coupling [J] . Tsung-Wei Chen, Chih-Meng Huang, G. Y. Guo Physical review. B, Condensed Matter And Materials Physics . 2006,第23期

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Increasing Shannon dimensionality by hyperentanglement of spin and fractional orbital angular momentum

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