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Trapped Ion Quantum Computing

Non-classical field state stabilization in a cavity by reservoir engineering

arXiv
Authors: Alain Sarlette, Jean-Michel Raimond, Michel Brune, Pierre Rouchon

Year

2010

Paper ID

28886

Status

Preprint

Abstract Read

~2 min

Abstract Words

102

Citations

N/A

Abstract

We propose an engineered reservoir inducing the relaxation of a cavity field towards non-classical states. It is made up of two-level atoms crossing the cavity one at a time. Each atom-cavity interaction is first dispersive, then resonant, then dispersive again. The reservoir pointer states are those produced by an effective Kerr Hamiltonian acting on a coherent field. We thereby stabilize squeezed states and quantum superpositions of multiple coherent components in a cavity having a finite damping time. This robust method could be implemented in state-of-the-art experiments and lead to interesting insights into mesoscopic quantum state superpositions and into their protection against decoherence.

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  • We propose an engineered reservoir inducing the relaxation of a cavity field towards non-classical states.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1011.5057 [2] arXiv https://arxiv.org/abs/1011.5057 [3] Publisher https://arxiv.org/abs/1011.5057

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