Entanglement of flux qubits through a joint detection of photons

Details Entanglement of flux qubits through a joint detection of photons Entanglement of flux qubits through a joint detection of photons

2009-02-17

arxiv.org/abs/0902.2879v2

Physics

Quantum Physics

4 pages, 5 figures

Scientific paper

We study the entanglement creation between two flux qubits interacting with electromagnetic field modes. No direct interaction between the qubits exists. Entanglement is reached using entanglement swapping method by an interference measurement performed on photons. We discuss the influence of off-resonance and multi-photon initial states on the qubit-qubit entanglement. The presented scheme is able to drive an initially separable state of two qubits into an highly entangled state suitable for quantum information processing.

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