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Deterministic generation of hybrid high-N N00N states with Rydberg ions trapped in microwave cavities

MPS-Authors

Mohseni,  Naeimeh
Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS);
Marquardt Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Navarrete-Benlloch,  Carlos
Marquardt Division, Max Planck Institute for the Science of Light, Max Planck Society;
Wilczek Quantum Center, School of Physics and Astronomy, Shanghai Jiao Tong University;

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PhysRevA.101.013804.pdf
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18_Mohseni.png
(Supplementary material), 21KB

Citation

Mohseni, N., Navarrete-Benlloch, C., Saeidian, S., & Dowling, J. P. (2020). Deterministic generation of hybrid high-N N00N states with Rydberg ions trapped in microwave cavities. Physical Review A, 101(1): 013804. doi:10.1103/PhysRevA.101.013804.


Cite as: https://hdl.handle.net/21.11116/0000-0005-16C3-6
Abstract
Trapped ions are among the most promising platforms for quantum technologies. They are atthe heart of the most precise clocks and sensors developed to date, which exploit the quantumcoherence of a single electronic or motional degree of freedom of an ion. However, future high-precision quantum metrology will require the use of entangled states of several degrees of freedom.Here we propose a protocol capable of generating high-N00N states where the entanglement is sharedbetween the motion of a trapped ion and an electromagnetic cavity mode, a so-called ‘hybrid’configuration. We prove the feasibility of the proposal in a platform consisting of a trapped ionexcited to its circular-Rydberg-state manifold, coupled to the modes of a high-Q microwave cavity.This compact hybrid architecture has the advantage that it can couple to signals of very differentnature, which modify either the ion’s motion or the cavity modes. Moreover, the exact same setupcan be used right after the state-preparation phase to implement the interferometer required forquantum metrology.