Multipartite classically entangled scalar beams

Classically entangled light is used to refer to a class of structured beams with space-polarization, polarization-time, and space-time non-separable states akin to entangled states, which enable novel quantum-analog methods and applications in structured light. Here, we argue that classical entangle...

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Veröffentlicht in:Optics letters 2022-04, Vol.47 (8), p.2052-2055
Hauptverfasser: Wan, Zhensong, Shen, Yijie, Liu, Qiang, Fu, Xing
Format: Artikel
Sprache:eng
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Zusammenfassung:Classically entangled light is used to refer to a class of structured beams with space-polarization, polarization-time, and space-time non-separable states akin to entangled states, which enable novel quantum-analog methods and applications in structured light. Here, we argue that classical entanglement is also available for pure scalar beams with multiple non-separable spatial degrees of freedom (DoFs). We theoretically and experimentally demonstrate a class of scalar ray-wave structured light with multiple controllable local DoFs to emulate multipartite entangled states, including the Greenberger-Horne-Zeilinger states. Our work unveils a rich parameter space for high-dimensional and multi-DoF control of structured light to extend applications in classical-quantum regimes.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.451046