Heralded Entanglement of Arbitrary Degree in Remote Qubits
arXiv:0901.2592 · doi:10.1103/PhysRevA.80.022312
Abstract
Incoherent scattering of photons off two remote atoms with a Lambda-level structure is used as a basic Young-type interferometer to herald long-lived entanglement of an arbitrary degree. The degree of entanglement, as measured by the concurrence, is found to be tunable by two easily accessible experimental parameters. Fixing one of them to certain values unveils an analog to the Malus' law. An estimate of the variation in the degree of entanglement due to uncertainties in an experimental realization is given.
published version, 4 pages and 2 figures
References in corpus (6)
- Scalable multi-particle entanglement of trapped ions
- Experimental Observation of Four-Photon Entangled Dicke State with High Fidelity
- Generation of Symmetric Dicke States of Remote Qubits with Linear Optics
- Operational determination of multi-qubit entanglement classes via tuning of local operations
- Quantum interference from remotely trapped ions
- Entanglement Witnesses from Single-Particle Interference