Entanglement between motional states of a single trapped ion and light

Details Entanglement between motional states of a single trapped ion and light Entanglement between motional states of a single trapped ion and light

2001-01-11

arxiv.org/abs/quant-ph/0101046v3

Phys. Rev. A 64, 024305 (2001)

Physics

Quantum Physics

4 pages, LaTeX

Scientific paper

10.1103/PhysRevA.64.024305

We propose a generation method of Bell-type states involving light and the vibrational motion of a single trapped ion. The trap itself is supposed to be placed inside a high-$Q$ cavity sustaining a single mode, quantized electromagnetic field. Entangled light-motional states may be readily generated if a conditional measurement of the ion's internal electronic state is made after an appropriate interaction time and a suitable preparation of the initial state. We show that all four Bell states may be generated using different motional sidebands (either blue or red), as well as adequate ionic relative phases.

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