Signature of multi-photon interference in boson sampling experiments

Taira Giordani; Fulvio Flamini; Matteo Pompili; Niko Viggianiello; Nicolò Spagnolo; Andrea Crespi; Roberto Osellame; Nathan Wiebe; Mattia Walschaers; Andreas Buchleitner; Fabio Sciarrino

doi:10.1117/12.2320685

11 September 2018 Signature of multi-photon interference in boson sampling experiments

Taira Giordani, Fulvio Flamini, Matteo Pompili, Niko Viggianiello, Nicolò Spagnolo, Andrea Crespi, Roberto Osellame, Nathan Wiebe, Mattia Walschaers, Andreas Buchleitner, Fabio Sciarrino

Author Affiliations +

Proceedings Volume 10733, Quantum Photonic Devices 2018; 107330T (2018) https://doi.org/10.1117/12.2320685
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States

Abstract

The progressive development of quantum technologies in many areas, ranging from investigation on foundamentals of quantum of mechanics to quantum information and computation, has increased the interest on those problems that can exhibit a quantum advantage. The Boson Sampling problem is a clear example where traditional computers fail in the task of sampling from the distribution of n indistinguishable photons after a propagation in a m-mode optical interferometer. In this context, in the absence of classical algorithms able to simulate efficiently multi-photon interference, the validation of Boson Sampling is still an open problem. Here we investigate a novel approach to Boson Sampling validation based on statistical properties of correlation functions. In particular we discuss its feasibility in actual proof-of-principle experiments. Furthermore we provide an extensive study of the physical resources required to validate experiments, investigating also the role of bosonic bunching in high-dimensional applications. Our investigation confirms the goodness of the validation protocol, paving the way to use this toolbox for the validation of Boson Sampling devices.

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Citation Download Citation

Taira Giordani, Fulvio Flamini, Matteo Pompili, Niko Viggianiello, Nicolò Spagnolo, Andrea Crespi, Roberto Osellame, Nathan Wiebe, Mattia Walschaers, Andreas Buchleitner, and Fabio Sciarrino "Signature of multi-photon interference in boson sampling experiments", Proc. SPIE 10733, Quantum Photonic Devices 2018, 107330T (11 September 2018); https://doi.org/10.1117/12.2320685

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