Engineering and characterization of high-dimensional states

Alessia Suprano; Taira Giordani; Emanuele Polino; Danilo Zia; Sabrina Emiliani; Francesca Acanfora; Luca Innocenti; Helena Majury; Lorenzo Marrucci; Alessandro Ferraro; Mauro Paternostro; Nicolò Spagnolo; Fabio Sciarrino

doi:10.1117/12.2582668

5 March 2021 Engineering and characterization of high-dimensional states

Alessia Suprano, Taira Giordani, Emanuele Polino, Danilo Zia, Sabrina Emiliani, Francesca Acanfora, Luca Innocenti, Helena Majury, Lorenzo Marrucci, Alessandro Ferraro, Mauro Paternostro, Nicolò Spagnolo, Fabio Sciarrino

Author Affiliations +

Proceedings Volume 11699, Quantum Computing, Communication, and Simulation; 1169917 (2021) https://doi.org/10.1117/12.2582668
Event: SPIE OPTO, 2021, Online Only

Abstract

The capability to engineer and characterize high dimensional states has become a crucial request in the quantum information field. The quantum walk dynamics proved to be a suitable resource for developing general quantumstate engineering protocols. Here, we experimentally verified the flexibility of an engineering protocol based on a one-dimensional quantum walk in the Orbital Angular Momentum (OAM). Although this degree of freedom has found several applications in the quantum information field, extract the information stored in them appears to be difficult. Therefore, we employ machine learning protocols to classify and characterize particularly structured beams endowed with a not uniform distribution of the polarization on the transverse plane. Moreover, we prove that by modeling the engineering process through a refined model it is possible to improve the performances of measurement techniques such as holographic projection and machine-learning based classification. These results represent a further investigation in the manipulation and detection of OAM modes coupling the photonics platforms with machine-learning protocols.

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Alessia Suprano, Taira Giordani, Emanuele Polino, Danilo Zia, Sabrina Emiliani, Francesca Acanfora, Luca Innocenti, Helena Majury, Lorenzo Marrucci, Alessandro Ferraro, Mauro Paternostro, Nicolò Spagnolo, and Fabio Sciarrino "Engineering and characterization of high-dimensional states", Proc. SPIE 11699, Quantum Computing, Communication, and Simulation, 1169917 (5 March 2021); https://doi.org/10.1117/12.2582668

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