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Trapped Ion Quantum Computing
A double-well atom trap for fluorescence detection at the Heisenberg limit
arXiv
Authors: Ion Stroescu, David B. Hume, Markus K. Oberthaler
Year
2014
Paper ID
46339
Status
Preprint
Abstract Read
~2 min
Abstract Words
91
Citations
N/A
Abstract
We experimentally demonstrate an atom number detector capable of simultaneous detection of two mesoscopic ensembles with single-atom resolution. Such a sensitivity is a prerequisite for quantum metrology at a precision approaching the Heisenberg limit. Our system is based on fluorescence detection of atoms in a novel hybrid trap in which a dipole barrier divides a magneto-optical trap into two separated wells. We introduce a noise model describing the various sources contributing to the measurement error and report a limit of up to 500 atoms for single-atom resolution in the atom number difference.
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- This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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- We experimentally demonstrate an atom number detector capable of simultaneous detection of two mesoscopic ensembles with single-atom resolution.
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