Detection-Enhanced Steady State Entanglement with Ions
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Carvalho, Andre R. R.
Kielpinski, David
Hope, Joseph J.
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Abstract
Driven dissipative steady state entanglement schemes take advantage of coupling to the environment to robustly prepare highly entangled states. We present a scheme for two trapped ions to generate a maximally entangled steady state with fidelity above 0.99, appropriate for use in quantum protocols. Furthermore, we extend the scheme by introducing detection of our dissipation process, significantly enhancing the fidelity. Our scheme is robust to anomalous heating and requires no sympathetic cooling.
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Physical Review Letters
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113
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4
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© 2014 American Physical Society. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
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Quantum Information, Computation and Communication
Mathematical Sciences
Physical Sciences
Engineering