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Contact: Laura Ost
National Institute of Standards and Technology (NIST)

New ion trap may lead to large quantum computers

IMAGE: False-color images of 1, 2, 3, 6, and 12 magnesium ions loaded into NIST's new planar ion trap. Red indicates areas of highest fluorescence, or the centers of the ions....

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Quantum computers would exploit the unusual behavior of the smallest particles of matter and light. Their theoretical ability to perform vast numbers of operations simultaneously has the potential to solve certain problems, such as breaking data encryption codes or searching large databases, far faster than conventional computers. Ions (electrically charged atoms) are promising candidates for use as quantum bits (qubits) in quantum computers. The NIST team, one of 18 research groups worldwide experimenting with ion qubits, previously has demonstrated at a rudimentary level all the basic building blocks for a quantum computer, including key processes such as error correction, and also has proposed a large-scale architecture.

IMAGE: NIST's novel planar ion trap was designed to be easily mass produced, potentially enabling quantum computers large enough for practical use. The trap uses gold electrodes to confine magnesium ions...

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The work was supported in part by the National Security Agency/Disruptive Technology Office (formerly Advanced Research and Development Activity).

Background on NIST quantum computing research: www.nist.gov/public_affairs/quantum/quantum_info_index.html.

*S. Seidelin, J. Chiaverini, R. Reichle, J.J. Bollinger, D. Leibfried, J. Britton, J.H. Wesenberg, R.B. Blakestad, R.J. Epstein, D.B. Hume, W.M. Itano, J.D. Jost, C. Langer, R. Ozeri, N. Shiga, and D.J. Wineland. 2006. A microfabricated surface-electrode ion trap for scalable quantum information processing. Physical Review Letters. June 30.


