Semi-device-independent certification of entanglement in superdense coding
George Moreno,
Ranieri Nery,
Carlos de Gois
et al.
Abstract:Superdense coding is a paradigmatic protocol in quantum information science, employing a quantum communication channel to send classical information more efficiently. As we show here, it can be understood as a particular case of a prepare and measure experiment, a scenario that has attracted growing attention for its fundamental and practical applications. Formulating superdense coding as a prepare and measure scenario allows us to provide a semi-device-independent witness of entanglement that significantly im… Show more
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