title: Realization of the Contextuality-Nonlocality Tradeoff with a Qubit-Qutrit Photon Pair.
abstract: We report our experimental results on the no-disturbance principle, which imposes a fundamental monogamy relation on contextuality versus nonlocality. We employ a photonic qutrit-qubit hybrid to explore no-disturbance monogamy at the quantum boundary spanned by noncontextuality and locality inequalities. In particular, we realize the single point where the quantum boundary meets the no-disturbance boundary. Our results agree with quantum theory and satisfy the stringent monogamy relation thereby providing direct experimental evidence of a tradeoff between locally contextual correlations and spatially separated correlations. Thus, our experiment provides evidence that entanglement is a particular manifestation of a more fundamental quantum resource.
authors.affiliation: Department of Physics, Southeast University, Nanjing 211189, China.
authors.forename: Xiang
authors.initials: X
authors.lastname: Zhan
authors.affiliation: Department of Physics, Southeast University, Nanjing 211189, China.
authors.forename: Xin
authors.initials: X
authors.lastname: Zhang
authors.affiliation: Department of Physics, Southeast University, Nanjing 211189, China.
authors.forename: Jian
authors.initials: J
authors.lastname: Li
authors.affiliation: Key Laboratory of Quantum Information, University of Science and Technology of China, CAS, Hefei 230026, China.|Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, CAS, Hefei 230026, China.
authors.forename: Yongsheng
authors.initials: Y
authors.lastname: Zhang
authors.affiliation: Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, CAS, Hefei 230026, China.|Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, CAS, Hefei 230026, China.|Shanghai Branch, CAS Center for Excellence, University of Science and Technology of China, Shanghai 201305, China.|Institute for Quantum Science and Technology, University of Calgary, Alberta T2N 1N4, Canada.|Program in Quantum Information Science, Canadian Institute for Advanced Research, Toronto, Ontario M5G 1Z8, Canada.
authors.forename: Barry C
authors.initials: BC
authors.lastname: Sanders
authors.affiliation: Department of Physics, Southeast University, Nanjing 211189, China.
authors.forename: Peng
authors.initials: P
authors.lastname: Xue