Observing High-Dimensional Nonlocality using Multi-Outcome Spectral Measurements

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Jonathan Leach, Kiki Dekkers, Laura Serino, Nicola D'Alessandro, Abhinandan Bhattacharjee, Benjamin Brecht, Armin Tavakoli, Christine Silberhorn

Published: 19 Aug 2025, Last Modified: 06 Nov 2025CrossrefEveryoneRevisionsCC BY-SA 4.0
Abstract: Violation of Bell inequalities is an essential requirement for many quantum information and communication protocols. In high-dimensional systems, Bell inequality tests face the challenge of implementing genuinely multi-outcome measurements, since the emulation of these with separate dichotomic pr...