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Open Quantum Systems Decoherence

Dissipative stabilization of entangled cat states using a driven Bose-Hubbard dimer

arXiv

Authors: M. Mamaev, L. C. G. Govia, A. A. Clerk

Year

2017

Paper ID

25025

Status

Preprint

Abstract Read

~2 min

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Abstract

We analyze a modified Bose-Hubbard model, where two cavities having on-site Kerr interactions are subject to two-photon driving and correlated dissipation. We derive an exact solution for the steady state of this interacting driven-dissipative system, and use it show that the system permits the preparation and stabilization of pure entangled non-Gaussian states, so-called entangled cat states. Unlike previous proposals for dissipative stabilization of such states, our approach requires only a linear coupling to a single engineered reservoir (as opposed to nonlinear couplings to two or more reservoirs). Our scheme is within the reach of state-of-the-art experiments in circuit QED.

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We analyze a modified Bose-Hubbard model, where two cavities having on-site Kerr interactions are subject to two-photon driving and correlated dissipation.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1711.06662 [2] arXiv https://arxiv.org/abs/1711.06662 [3] Publisher https://arxiv.org/abs/1711.06662

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