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Single Atoms Preparation Using Light-Assisted Collisions

Dodd-Walls Centre for Photonics and Quantum Technologies, Department of Physics, University of Otago, 9016 Dunedin, New Zealand
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Academic Editor: Alexander V. Sergienko
Technologies 2016, 4(1), 4; https://doi.org/10.3390/technologies4010004
Received: 28 November 2015 / Revised: 20 January 2016 / Accepted: 22 January 2016 / Published: 27 January 2016
(This article belongs to the Special Issue Quantum Metrology)
The detailed control achieved over single optically trapped neutral atoms makes them candidates for applications in quantum metrology and quantum information processing. The last few decades have seen different methods developed to optimize the preparation efficiency of single atoms in optical traps. Here we review the near-deterministic preparation of single atoms based on light-assisted collisions and describe how this method can be implemented in different trap regimes. The simplicity and versatility of the method makes it feasible to be employed in future quantum technologies such as a quantum logic device. View Full-Text
Keywords: light-assisted collisions; quantum information processing; qubits; single atom; dipole trap; few-body physics; collisional blockade; atomic physics light-assisted collisions; quantum information processing; qubits; single atom; dipole trap; few-body physics; collisional blockade; atomic physics
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Fung, Y.H.; Sompet, P.; Andersen, M.F. Single Atoms Preparation Using Light-Assisted Collisions. Technologies 2016, 4, 4.

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