Deterministic Ultracold Ion Source targeting the Heisenberg Limit

Abstract

The major challenges to fabricate quantum processors and future nano solid state devices are material modification techniques with nanometre resolution and suppression of statistical fluctuations of dopants or qubit carriers. Based on a segmented ion trap with mK laser cooled ions we have realized a deterministic single ion source which could operate with a huge range of sympathetically cooled ion species, isotopes or ionic molecules. We have deterministically extracted a predetermined number of ions on demand and have measured a longitudinal velocity uncertainty of 6.3m/s and a spatial beam divergence of 0.6 mrad. We show in numerical simulations that if the ions are cooled to the motional ground state (Heisenberg limit) nanometre spatial resolution can be achieved.

4 pages 4 figures. to be published in prl

References in corpus (7)

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• Experimental demonstration of ground state laser cooling with electromagnetically induced transparency
• Towards the fabrication of phosphorus qubits for a silicon quantum computer
• Non-Destructive Identification of Cold and Extremely Localized Single Molecular Ions
• Sideband cooling and coherent dynamics in a microchip multi-segmented ion trap
• Concept of deterministic single ion doping with sub-nm spatial resolution
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• Microscopy with a Deterministic Single Ion Source
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• Robust control of long distance entanglement in disordered spin chains
• Tailored Ion Beam for Precise Color Center Creation
• Maximizing the information gain of a single ion microscope using bayes experimental design