Dissipative preparation of generalised Bell states

Abstract

A scheme is presented for the dissipative preparation of generalised Bell states of two-qubits, within the context of cavity QED. In the suggested protocol the dissipative processes of spontaneous emission and cavity loss are no longer undesirable, but essential to the required dynamics. Extremely long lived target states are achieved, with fidelities of near unity, utilising cooperativities corresponding to currently available optical cavities. Furthermore, the suggested protocol exhibits excellent scaling of relevant characteristics, with respect to cooperativity, such that improved results may be obtained as the development of experimental capabilities continues.

22 pages, 7 figures

References in corpus (7)

• Quantum Computing
• Quantum States and Phases in Driven Open Quantum Systems with Cold Atoms
• An Open-System Quantum Simulator with Trapped Ions
• Dissipative preparation of entanglement in optical cavities
• Open Quantum Random Walks
• Open Quantum Walks on Graphs
• Efficiency of open quantum walk implementation of dissipative quantum computing algorithms

Cited by in corpus (7)

• Preparation of three-dimensional entanglement for distant atoms in coupled cavities via atomic spontaneous emission and cavity decay
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• Central limit theorem for reducible and irreducible open quantum walks
• Generalized open quantum walks on Apollonian networks
• Protected State Transfer via an Approximate Quantum Adder
• Mapping repulsive to attractive interaction in driven-dissipative quantum systems
• Driven-Dissipative Dynamics of Ultracold Atoms Trapped in an Array of Harmonic Potentials