A microfabricated ion trap with integrated microwave circuitry

We describe the design, fabrication, and testing of a surface-electrode ion trap, which incorporates microwave waveguides, resonators, and coupling elements for the manipulation of trapped ion qubits using near-field microwaves. The trap is optimised to give a large microwave field gradient to allow...

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Bibliographic Details
Published in:Applied physics letters 2013-01, Vol.102 (4)
Main Authors: Allcock, D. T. C., Harty, T. P., Ballance, C. J., Keitch, B. C., Linke, N. M., Stacey, D. N., Lucas, D. M.
Format: Article
Language:English
Subjects:
Degrees of freedom
Entanglement
Joining
Mathematical analysis
Microwaves
Motional
Qubits (quantum computing)
Resonators
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Summary:We describe the design, fabrication, and testing of a surface-electrode ion trap, which incorporates microwave waveguides, resonators, and coupling elements for the manipulation of trapped ion qubits using near-field microwaves. The trap is optimised to give a large microwave field gradient to allow state-dependent manipulation of the ions' motional degrees of freedom, the key to multi-qubit entanglement. The microwave field near the centre of the trap is characterised by driving hyperfine transitions in a single laser-cooled  43Ca+ ion.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4774299