Experimental multipartite entanglement and randomness certification of the W state in the quantum steering scenario
arXiv:1609.00226 · doi:10.1088/2058-9565/aa629b
Abstract
Recently [Cavalcanti \textit{et al.} Nat Commun \textbf{6}, 7941 (2015)] proposed a method to certify the presence of entanglement in asymmetric networks, where some users do not have control over the measurements they are performing. Such asymmetry naturally emerges in realistic situtations, such as in cryptographic protocols over quantum networks. Here we implement such "semi-device independent" techniques to experimentally witness all types of entanglement on a three-qubit photonic W state. Furthermore we analise the amount of genuine randomness that can be certified in this scenario from any bipartition of the three-qubit W state.
v2: text improved, steering witness redefined so that their violation provides the steering robustness, experimental data included in an appendix
References in corpus (10)
- Device-independent security of quantum cryptography against collective attacks
- Steering, Entanglement, Nonlocality, and the EPR Paradox
- A convergent hierarchy of semidefinite programs characterizing the set of quantum correlations
- Bounding the set of quantum correlations
- Quantum steering: a review with focus on semidefinite programming
- Experimental Observation of Four-Photon Entangled Dicke State with High Fidelity
- Imperfect measurements settings: implications on quantum state tomography and entanglement witnesses
- Experimental entanglement redistribution under decoherence channels
- Decoherence Effects on the Non-locality of Symmetric States
- Nonlocality of and Dicke states subject to losses
Cited by in corpus (22)
- Probing quantum correlations in many-body systems: a review of scalable methods
- Genuine Einstein-Podolsky-Rosen steering of three-qubit states by multiple sequential observers
- Multi-dimensional entanglement generation with multi-core optical fibers
- Device-independent randomness generation from several Bell estimators
- Randomness Certification from Multipartite Quantum Steering for Arbitrary Dimensional Systems
- Tripartite entanglement detection through tripartite quantum steering in one-sided and two-sided device-independent scenarios
- Nonlocal Advantages of Quantum Imaginarity
- Quantifying EPR: the resource theory of nonclassicality of common-cause assemblages
- Distillation of genuine tripartite Einstein-Podolsky-Rosen steering
- One-Sided Device-Independent Random Number Generation Through Fiber Channels
- Certified Random Number Generation from Quantum Steering
- The future of secure communications: device independence in quantum key distribution
- Steering-based randomness certification with squeezed states and homodyne measurements
- The resource theory of nonclassicality of channel assemblages
- Efficient Fusion of Photonic W-states with Nonunitary Partial-swap Gates
- Characterization of the quantumness of unsteerable tripartite correlations
- Necessary and Sufficient Condition for Randomness Certification from Incompatibility
- Genuine three qubit Einstein-Podolsky-Rosen steering under decoherence: Revealing hidden genuine steerability via pre-processing
- Activation of post-quantumness in bipartite generalised EPR scenarios
- Scalable multiparty steering based on a single pair of entangled qubits
- Parameterized steering criteria via correlation matrices
- A hierarchy of semidefinite programs for generalised Einstein-Podolsky-Rosen scenarios