Bayesian optimal control of GHZ states in Rydberg lattices

05/12/2020

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by   Rick Mukherjee, et al.

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The ability to prepare non-classical states in a robust manner is essential for quantum sensors beyond the standard quantum limit. We demonstrate that Bayesian optimal control is capable of finding control pulses that drive trapped Rydberg atoms into highly entangled GHZ states. The control sequences that can be constructed in laboratory experiments result in preparation times that scale very favourably with the system size.