In situ single-atom array synthesis using dynamic holographic optical tweezers

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Establishing a reliable method to form scalable neutral-atom platforms is an essential cornerstone for quantum computation, quantum simulation and quantum many-body physics. Here we demonstrate a real-time transport of single atoms using holographic microtraps controlled by a liquid-crystal spatial light modulator. For this, an analytical design approach to flicker-free microtrap movement is devised and cold rubidium atoms are simultaneously rearranged with 2N motional degrees of freedom, representing unprecedented space controllability. We also accomplish an in situ feedback control for single-atom rearrangements with the high success rate of 99% for up to 10 mm translation. We hope this proof-of-principle demonstration of high-fidelity atom-array preparations will be useful for deterministic loading of N single atoms, especially on arbitrary lattice locations, and also for real-time qubit shuttling in high-dimensional quantum computing architectures
Publisher
NATURE PUBLISHING GROUP
Issue Date
2016-10
Language
English
Article Type
Article
Keywords

SPATIAL LIGHT-MODULATOR; QUANTUM INTERFERENCE; SORTING MACHINE; TRAPPED ATOMS; MICROTRAPS; LATTICE; BEAM

Citation

NATURE COMMUNICATIONS, v.7, pp.13317

ISSN
2041-1723
DOI
10.1038/ncomms13317
URI
http://hdl.handle.net/10203/214616
Appears in Collection
PH-Journal Papers(저널논문)
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