Hyperentangled mixed phased Dicke states: optical design and detection
arXiv:1007.4996 · doi:10.1103/PhysRevLett.105.250501
Abstract
We present an experimental method to produce 4-qubit phased Dicke states, based on a source of 2-photon hyperentangled states. By introducing quantum noise in the multipartite system in a controlled way, we have tested the robustness of these states. To this purpose the entanglement of the resulting multipartite entangled mixed states has been verified by using a new kind of structural witness.
6 pages, 3 figure, supplementary information included
References in corpus (8)
- Experimental entanglement of a six-photon symmetric Dicke state
- Experimental Observation of Four-Photon Entangled Dicke State with High Fidelity
- Experimental multiparticle entanglement dynamics induced by decoherence
- Experimental demonstration of entanglement-enhanced classical communication over a quantum channel with correlated noise
- Experimental Entanglement and Nonlocality of a Two-Photon Six-Qubit Cluster State
- Multipartite entanglement detection via structure factors
- Experimental Realization of Polarization Qutrits from Non-Maximally Entangled States
- Practical methods for witnessing genuine multi-qubit entanglement in the vicinity of symmetric states